--- title: "Buffalo to San Diego flights from CA $261 - Expedia.ca" description: "Looking for cheap flights from Buffalo (BUF) to San Diego (SAN)? Search by flexible dates for one-way flights from CA $261 and roundtrip from CA $504!" canonical: "https://www.expedia.ca/lp/flights/buf/san/buffalo-to-san-diego" language: en-CA market: CA currency: CAD prices_as_of: 2026-11-14T11:39:20Z --- # CA $261 Cheap Flights from Buffalo (BUF) to San Diego (SAN) ![A large bridge spanning a body of water with a city skyline in the background.](https://images.trvl-media.com/place/553248635976421035/eb09c65d-6b30-41ac-bd82-fb428d0386fe.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View CA $261 flight on Mon, May 24, 2027](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:24/05/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:260.50&airProductToken=AQptCjUIxJgBEgQxODg1GIEtIOBcKMz5rQMw2PqtAzhFQABYAWoJTUFJTkJBU0lDcghWQVZOQTBCUQo0CMSYARIDODk2GOBcIJJoKMv7rQMw6%5F2tAzhFQAFYAWoJTUFJTkJBU0lDcghWQVZOQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ## Popular airlines from Buffalo Niagara Intl. Airport (BUF) to San Diego Intl. Airport (SAN) [United](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:28/11/2026TANYT&leg2=from:SAN,to:BUF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [Alaska Airlines](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:28/11/2026TANYT&leg2=from:SAN,to:BUF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) [Southwest Airlines](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:28/11/2026TANYT&leg2=from:SAN,to:BUF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) [American Airlines](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:28/11/2026TANYT&leg2=from:SAN,to:BUF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [JetBlue Airways](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:28/11/2026TANYT&leg2=from:SAN,to:BUF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) [Delta](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:28/11/2026TANYT&leg2=from:SAN,to:BUF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [Frontier Airlines](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:28/11/2026TANYT&leg2=from:SAN,to:BUF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap Flights from Buffalo to San Diego (BUF-SAN) Prices were available within the past 7 days and start at CA $261 for one-way flights and CA $504 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select American Airlines flight, departing Thu, Dec 10 from Buffalo to San Diego, returning Sun, Dec 13, priced at CA $504 Found 1 day ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:10/12/2026TANYT&leg2=from:SAN,to:BUF,departure:13/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:503.60&airProductToken=AQpmCjEIwYIBEgQ0NzgwGIEtIK4cKJq3nwMwsrifAzhCQABYAWoFQkFTSUNyCE5WQVpaTkJWCjEIwYIBEgQzMTExGK4cIJJoKJW6nwMwpryfAzhCQAFYAWoFQkFTSUNyCE5WQVpaTkJWEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) Thu, Dec 10 - Sun, Dec 13 · BUF · Roundtrip [Select American Airlines flight, departing Thu, Dec 10 from Buffalo to San Diego, returning Sun, Dec 13, priced at CA $505 Found 1 day ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:10/12/2026TANYT&leg2=from:SAN,to:BUF,departure:13/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:504.60&airProductToken=AQpmCjEIwYIBEgQ1ODY2GIEtIO9ZKJK5nwMw8bmfAzhCQABYAWoFQkFTSUNyCE5WQVpaTkJWCjEIwYIBEgQyMDUxGO9ZIJJoKMe6nwMwtr2fAzhCQAFYAWoFQkFTSUNyCE5WQVpaTkJWCmYKMQjBggESBDEyMzYYkmgg71kohd-fAzC94Z8DOEJAAFgBagVCQVNJQ3IITlZBWlpOQlYKMQjBggESBDU4NjgY71kggS0o2OKfAzC6458DOEJAAVgBagVCQVNJQ3IITlZBWlpOQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) Thu, Dec 10 - Sun, Dec 13 · BUF · Roundtrip [Select Delta flight, departing Thu, Dec 10 from Buffalo to San Diego, returning Sun, Dec 13, priced at CA $512 Found 1 day ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:10/12/2026TANYT&leg2=from:SAN,to:BUF,departure:13/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:511.10&airProductToken=AQpvCjYIxJgBEgQ0NjM2GIEtIOO0ASjCt58DMJW4nwM4RUAAWAFqCU1BSU5CQVNJQ3IIVkFWTkEwQlEKNQjEmAESAzM2ORjjtAEgkmgoyrmfAzDvu58DOEVAAVgBaglNQUlOQkFTSUNyCFZBVk5BMEJREgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) Thu, Dec 10 - Sun, Dec 13 · BUF · Roundtrip [Select Delta flight, departing Tue, Feb 23 from Buffalo to San Diego, returning Wed, Mar 3, priced at CA $519 Found 1 day ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:23/02/2027TANYT&leg2=from:SAN,to:BUF,departure:03/03/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:518.60&airProductToken=AQpFCiEIxJgBEgQxMDUzGIEtIOO0ASi5gKYDMIiBpgM4RUAAWAEKIAjEmAESAzQ5MhjjtAEgkmgoxYGmAzD7g6YDOEVAAVgBCkQKIAjEmAESBDExNzkYkmgg4Fwo4NymAzDW3qYDOEVAAFgBCiAIxJgBEgQyMDUwGOBcIIEtKILfpgMw%5FN-mAzhFQAFYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) Tue, Feb 23 - Wed, Mar 3 · BUF · Roundtrip [Select Delta flight, departing Mon, May 24 from Buffalo to San Diego, returning Wed, May 26, priced at CA $521 Found 6 hours ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:24/05/2027TANYT&leg2=from:SAN,to:BUF,departure:26/05/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:521.00&airProductToken=AQptCjUIxJgBEgQxODg1GIEtIOBcKMz5rQMw2PqtAzhFQABYAWoJTUFJTkJBU0lDcghWQVZOQTBCUQo0CMSYARIDODk2GOBcIJJoKMv7rQMw6%5F2tAzhFQAFYAWoJTUFJTkJBU0lDcghWQVZOQTBCUQpvCjUIxJgBEgM3NjQYkmgg47QBKIqUrgMwk5auAzhFQABYAWoJTUFJTkJBU0lDcghWQVZOQTBCUQo2CMSYARIENDYzORjjtAEggS0o3pauAzCtl64DOEVAAVgBaglNQUlOQkFTSUNyCFZBVk5BMEJREgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) Mon, May 24 - Wed, May 26 · BUF · Roundtrip [Select American Airlines flight, departing Thu, Jan 28 from Buffalo to San Diego, returning Fri, Feb 19, priced at CA $522 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:28/01/2027TANYT&leg2=from:SAN,to:BUF,departure:19/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:521.80&airProductToken=AQpnCjEIwYIBEgM2MTcYgS0go7EBKLDcowMwoN6jAzhCQABYAWoFQkFTSUNyCFNWQVpaTkJYCjIIwYIBEgQyMTIxGKOxASCSaCjZ3qMDMKHgowM4QkABWAFqBUJBU0lDcghTVkFaWk5CWAplCjAIwYIBEgM5NTUYkmggrhwo2NylAzDU3qUDOEJAAFgBagVCQVNJQ3IITlZBWlpOQlYKMQjBggESBDYyNjkYrhwggS0okuClAzD%5F4KUDOEJAAVgBagVCQVNJQ3IITlZBWlpOQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) Thu, Jan 28 - Fri, Feb 19 · BUF · Roundtrip [Select American Airlines flight, departing Fri, Feb 19 from Buffalo to San Diego, returning Tue, Feb 23, priced at CA $530 Found 5 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:19/02/2027TANYT&leg2=from:SAN,to:BUF,departure:23/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:529.40&airProductToken=AQpmCjEIwYIBEgQ1ODY4GIEtIO9ZKNHVpQMwp9alAzhCQABYAWoFQkFTSUNyCFNWQVpaTkJYCjEIwYIBEgQyNDQyGO9ZIJJoKJHYpQMw-dqlAzhCQAFYAWoFQkFTSUNyCFNWQVpaTkJYCmUKMAjBggESAzU2MhiSaCCuHCjBhKYDMMWGpgM4QkAAWAFqBUJBU0lDcghOVkFaWk5CVgoxCMGCARIEMjg2MxiuHCCBLSj-h6YDMOKIpgM4QkABWAFqBUJBU0lDcghOVkFaWk5CVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) Fri, Feb 19 - Tue, Feb 23 · BUF · Roundtrip [Select Southwest Airlines flight, departing Sat, Jan 23 from Buffalo to San Diego, returning Thu, Jan 28, priced at CA $538 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:23/01/2027TANYT&leg2=from:SAN,to:BUF,departure:28/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:538.00&airProductToken=AQpiCi8I15wBEgQxMjc4GIEtIOywASjRpKMDMLqlowM4SkAAWAFqA1dHQXIHSkxBVlcySQovCNecARIEMjA4NxjssAEgkmgogKajAzDHqaMDOEpAAVgBagNXR0FyB0pMQVZXMkkSCggCEAEYAioCSFIYASIECAEQASgCKAMoBDAB) Sat, Jan 23 - Thu, Jan 28 · BUF · Roundtrip [Select JetBlue Airways flight, departing Wed, Jan 27 from Buffalo to San Diego, returning Tue, Feb 9, priced at CA $629 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:27/01/2027TANYT&leg2=from:SAN,to:BUF,departure:09/02/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:628.30&airProductToken=AQpBCh8IwmwSAzcxNhiBLSDBkwEo9tKjAzDL06MDOExAAFgBCh4IwmwSAjE5GMGTASCSaCjP1aMDMN3YowM4TEABWAEKQwogCMJsEgQyMTIwGJJoIMGTASjT66QDMJXupAM4TEAAWAEKHwjCbBIDNDE1GMGTASCBLSiH9KQDMOr0pAM4TEABWAESCggBEAEYASoCQjYYASIECAEQASgEMAE) Wed, Jan 27 - Tue, Feb 9 · BUF · SA · N · Roundtrip [Select United flight, departing Tue, Mar 9 from Buffalo to San Diego, returning Fri, Mar 19, priced at CA $687 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:09/03/2027TANYT&leg2=from:SAN,to:BUF,departure:19/03/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:686.30&airProductToken=AQpDCiAI1YIBEgQxNzI3GIEtIINpKIqfpwMw-KCnAzhMQABYAQofCNWCARIDNzkyGINpIJJoKKehpwMwtqKnAzhMQAFYAQpDCh8I1YIBEgM1NDAYkmggrhwoipeoAzD9mKgDOExAAFgBCiAI1YIBEgQ1Nzg1GK4cIIEtKPGZqAMw2ZqoAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) Tue, Mar 9 - Fri, Mar 19 · BUF · Roundtrip ## Alternative airports near San Diego Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to San Diego Intl. SAN. Cheapest and Closest option available. Average driving time to city centre is 4 minutes. Flights from CA $891](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SAN,departure:28/11/2026TANYT&leg2=from:SAN,to:BUF,departure:12/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 4 min ## Book with confidence ### Buffalo to San Diego Flights #### The easy way to book your flights from Buffalo to San Diego With Expedia, it’s simple to find and book flights to San Diego from Buffalo whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 6 airlines that cover this route. There are nonstop flights to San Diego Intl., too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Buffalo to San Diego today, tomorrow, or this week. #### Save dollars with cheap flights from Buffalo Niagara Intl., BUF to San Diego Intl., SAN Sort your search results by price to find great deals on your flight from Buffalo to San Diego—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Diego from Buffalo currently is just CA $504 rising to CA $687\. Here are more money-saving tips: - Fly in December when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to San Diego - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! #### Reasons to choose Expedia for your flight to San Diego from Buffalo Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to San Diego with Expedia today. ## Frequently Asked Questions ### How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.) cost? You can find cheap one-way flights from CA $261 and cheap return flights CA $504 BUF to SAN with Expedia. One-way flights typically cost between CA$250 and CA$1336, and return flights often range between CA$571 and CA$1886\. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when BUF to SAN ticket fares go up or down. ### What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.)? The cheapest months to fly from BUF to SAN are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route. ### Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.)? Enter BUF to SAN and your travel dates, then apply the 'Nonstop' filter to see only direct flights. ### What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.)? Sun Country Airlines is one of the cheapest airlines offering connecting return flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.), with tickets starting from around CA$601 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget. ### How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.)? To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up [Price Tracking](https://www.expedia.ca/why/price-tracking) and receive alerts when fares go up or down. ### What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.)? The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience. ### How many flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.)? While there are no direct flights, you'll find approximately 65 connecting flights per day from Buffalo Niagara Intl. (BUF) to San Diego Intl. (SAN). This gives you plenty of options to choose from. Some common connection points include Baltimore Washington Intl. Thurgood Marshall (BWI), O'Hare Intl. (ORD), and Midway Intl. (MDW). ### What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.)? The earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.) typically departs around 5:00 AM. This service is operated by American Airlines. This is a seasonal service active in August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search. ### What day of the week has the most flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.)? You'll typically find the most flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.) on a Thursday, with around 45 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, American Airlines, and United. ### What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.)? The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to San Diego Intl. (SAN) are in the early morning, from 6am to 9am. Many major carriers, including Southwest Airlines, American Airlines and United, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day in San Diego. ### How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.)? There are no nonstop flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.), which is a distance of approximately 3530 kilometres. Flights with one stop typically take around 8 hours 18 minutes. If your journey involves two or more stops, you can expect the travel time to be longer, usually around 12 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns. ### Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.)? Yes, you can fly business class or first class between Buffalo Niagara Intl. (BUF) and San Diego Intl. (SAN). You can fly business class with Delta. First class cabins are available on: - Alaska Airlines - Delta - United - American Airlines ### How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia? It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of [One Key™](https://www.expedia.ca/welcome-one-key), you can also earn OneKeyCash™\* on top of your airline miles when you book with Expedia. \*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands. ### What airports do you fly into for San Diego, CA (SAN) from Buffalo, NY (BUF)? If you're planning to travel to San Diego from Buffalo Niagara Intl. (BUF), you can fly directly into San Diego Intl. (SAN). Some flights may connect through major hubs like O'Hare Intl. (ORD), Midway Intl. (MDW), or Baltimore Washington Intl. Thurgood Marshall (BWI) before reaching San Diego. Compare routes and airports on Expedia to find the best flight options for your travel plans. ### Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.) at the last minute? Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare. ### Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package? Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.) [flight and hotel package](https://www.expedia.ca/san-diego.d3073.destination-travel-guides) is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.)? If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in [your itinerary](https://www.expedia.ca/trips) or confirmation email. Or, head to our [Customer Service portal](https://www.expedia.ca/helpcenter/) if you'd like more information. ## Travel information | Origin airport | Buffalo Niagara Intl. Airport | | ------------------- | --------------------------------------------------------------------------------------------------------- | | Destination airport | San Diego Intl. Airport | | Distance | 3,528 km away | | Airlines serving | United, Alaska Airlines, Southwest Airlines, American Airlines, JetBlue Airways, Delta, Frontier Airlines | | Popular airline | United | | Roundtrip price | CA $504 | | Average flight time | 6 hours 45 mins | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Comox (YQQ) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yqq/san/comox-to-san-diego) - [Flights from Regina (YQR) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yqr/san/regina-to-san-diego) - [Flights from Bangor (BGR) to San Diego (SAN)](https://www.expedia.ca/lp/flights/bgr/san/bangor-to-san-diego) - [Flights from Newark Liberty Intl. Airport (EWR) to San Diego (SAN)](https://www.expedia.ca/lp/flights/ewr/san/newark-liberty-intl-airport-to-san-diego) - [Flights from Great Falls (GTF) to San Diego (SAN)](https://www.expedia.ca/lp/flights/gtf/san/great-falls-to-san-diego) - [Flights from Dallas (DFW) to San Diego (SAN)](https://www.expedia.ca/lp/flights/dfw/san/dallas-to-san-diego) - [Flights from Palm Springs (PSP) to San Diego (SAN)](https://www.expedia.ca/lp/flights/psp/san/palm-springs-to-san-diego) - [Flights from Toronto (YTZ) to San Diego (SAN)](https://www.expedia.ca/lp/flights/ytz/san/toronto-to-san-diego) - [Flights from Washington (IAD) to San Diego (SAN)](https://www.expedia.ca/lp/flights/iad/san/washington-to-san-diego) - [Flights from Grand Forks (GFK) to San Diego (SAN)](https://www.expedia.ca/lp/flights/gfk/san/grand-forks-to-san-diego) - [Flights from Spokane (GEG) to San Diego (SAN)](https://www.expedia.ca/lp/flights/geg/san/spokane-to-san-diego) - [Flights from Edmonton (YEG) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yeg/san/edmonton-to-san-diego) - [Flights from Burlington (BTV) to San Diego (SAN)](https://www.expedia.ca/lp/flights/btv/san/burlington-to-san-diego) - [Flights from Vancouver (YVR) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yvr/san/vancouver-to-san-diego) - [Flights from Minot (MOT) to San Diego (SAN)](https://www.expedia.ca/lp/flights/mot/san/minot-to-san-diego) - [Flights from Los Angeles (QLA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/qla/san/los-angeles-to-san-diego) - [Flights from New York (LGA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/lga/san/new-york-to-san-diego) - [Flights from Hamilton (YHM) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yhm/san/hamilton-to-san-diego) - [Flights from Orlando (MCO) to San Diego (SAN)](https://www.expedia.ca/lp/flights/mco/san/orlando-to-san-diego) - [Flights from St. John's (YYT) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yyt/san/st-johns-to-san-diego) - [Flights from Fort McMurray (YMM) to San Diego (SAN)](https://www.expedia.ca/lp/flights/ymm/san/fort-mcmurray-to-san-diego) - [Flights from Syracuse (SYR) to San Diego (SAN)](https://www.expedia.ca/lp/flights/syr/san/syracuse-to-san-diego) - [Flights from Chicago (ORD) to San Diego (SAN)](https://www.expedia.ca/lp/flights/ord/san/chicago-to-san-diego) - [Flights from Detroit (DTW) to San Diego (SAN)](https://www.expedia.ca/lp/flights/dtw/san/detroit-to-san-diego) - [Flights from Tampa (TPA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/tpa/san/tampa-to-san-diego) - [Flights from Sacramento (SMF) to San Diego (SAN)](https://www.expedia.ca/lp/flights/smf/san/sacramento-to-san-diego) - [Flights from Miami (MIA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/mia/san/miami-to-san-diego) - [Flights from Prince George (YXS) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yxs/san/prince-george-to-san-diego) - [Flights from St. Louis (STL) to San Diego (SAN)](https://www.expedia.ca/lp/flights/stl/san/st-louis-to-san-diego) - [Flights from Fort Saint John (YXJ) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yxj/san/fort-saint-john-to-san-diego) - [Flights from Toronto (YTO) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yto/san/toronto-to-san-diego) - [Flights from Timmins (YTS) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yts/san/timmins-to-san-diego) - [Flights from Nanaimo (YCD) to San Diego (SAN)](https://www.expedia.ca/lp/flights/ycd/san/nanaimo-to-san-diego) - [Flights from Tucson (TUS) to San Diego (SAN)](https://www.expedia.ca/lp/flights/tus/san/tucson-to-san-diego) - [Flights from Manila (MNL) to San Diego (SAN)](https://www.expedia.ca/lp/flights/mnl/san/manila-to-san-diego) - [Flights from Kalispell (FCA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/fca/san/kalispell-to-san-diego) - [Flights from Kitchener (YKF) to San Diego (SAN)](https://www.expedia.ca/lp/flights/ykf/san/kitchener-to-san-diego) - [Flights from Montreal (YUL) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yul/san/montreal-to-san-diego) - [Flights from Honolulu (HNL) to San Diego (SAN)](https://www.expedia.ca/lp/flights/hnl/san/honolulu-to-san-diego) - [Flights from Orange County (SNA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/sna/san/orange-county-to-san-diego) - [Flights from Kamloops (YKA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yka/san/kamloops-to-san-diego) - [Flights from San Antonio (SAT) to San Diego (SAN)](https://www.expedia.ca/lp/flights/sat/san/san-antonio-to-san-diego) - [Flights from Grande Prairie (YQU) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yqu/san/grande-prairie-to-san-diego) - [Flights from Houston (IAH) to San Diego (SAN)](https://www.expedia.ca/lp/flights/iah/san/houston-to-san-diego) - [Flights from Tijuana (TIJ) to San Diego (SAN)](https://www.expedia.ca/lp/flights/tij/san/tijuana-to-san-diego) - [Flights from Kelowna (YLW) to San Diego (SAN)](https://www.expedia.ca/lp/flights/ylw/san/kelowna-to-san-diego) - [Flights from San Francisco (SFO) to San Diego (SAN)](https://www.expedia.ca/lp/flights/sfo/san/san-francisco-to-san-diego) - [Flights from New York (JFK) to San Diego (SAN)](https://www.expedia.ca/lp/flights/jfk/san/new-york-to-san-diego) - [Flights from San Jose (SJC) to San Diego (SAN)](https://www.expedia.ca/lp/flights/sjc/san/san-jose-to-san-diego) - [Flights from Salt Lake City (SLC) to San Diego (SAN)](https://www.expedia.ca/lp/flights/slc/san/salt-lake-city-to-san-diego) - [Flights from Ontario Intl. Airport (ONT) to San Diego (SAN)](https://www.expedia.ca/lp/flights/ont/san/ontario-to-san-diego) - [Flights from Portland (PDX) to San Diego (SAN)](https://www.expedia.ca/lp/flights/pdx/san/portland-to-san-diego) - [Flights from Omaha (OMA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/oma/san/omaha-to-san-diego) - [Flights from Denver (DEN) to San Diego (SAN)](https://www.expedia.ca/lp/flights/den/san/denver-to-san-diego) - [Flights from Toronto (YYZ) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yyz/san/toronto-to-san-diego) - [Flights from Moncton (YQM) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yqm/san/moncton-to-san-diego) - [Flights from Philadelphia (PHL) to San Diego (SAN)](https://www.expedia.ca/lp/flights/phl/san/philadelphia-to-san-diego) - [Flights from Reykjavik (KEF) to San Diego (SAN)](https://www.expedia.ca/lp/flights/kef/san/reykjavik-to-san-diego) - [Flights from Saskatoon (YXE) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yxe/san/saskatoon-to-san-diego) - [Flights from Los Angeles (LAX) to San Diego (SAN)](https://www.expedia.ca/lp/flights/lax/san/los-angeles-to-san-diego) - [Flights from Fort Lauderdale (FLL) to San Diego (SAN)](https://www.expedia.ca/lp/flights/fll/san/fort-lauderdale-to-san-diego) - [Flights from Thunder Bay (YQT) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yqt/san/thunder-bay-to-san-diego) - [Flights from Fresno (FAT) to San Diego (SAN)](https://www.expedia.ca/lp/flights/fat/san/fresno-to-san-diego) - [Flights from Fargo (FAR) to San Diego (SAN)](https://www.expedia.ca/lp/flights/far/san/fargo-to-san-diego) - [Flights from Minneapolis (MSP) to San Diego (SAN)](https://www.expedia.ca/lp/flights/msp/san/minneapolis-to-san-diego) - [Flights from Oakland (OAK) to San Diego (SAN)](https://www.expedia.ca/lp/flights/oak/san/oakland-to-san-diego) - [Flights from Austin (AUS) to San Diego (SAN)](https://www.expedia.ca/lp/flights/aus/san/austin-to-san-diego) - [Flights from Windsor (YQG) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yqg/san/windsor-to-san-diego) - [Flights from London (YXU) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yxu/san/london-to-san-diego) - [Flights from Calgary (YYC) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yyc/san/calgary-to-san-diego) - [Flights from Bellingham (BLI) to San Diego (SAN)](https://www.expedia.ca/lp/flights/bli/san/bellingham-to-san-diego) - [Flights from Boston (BOS) to San Diego (SAN)](https://www.expedia.ca/lp/flights/bos/san/boston-to-san-diego) - [Flights from Ottawa (YOW) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yow/san/ottawa-to-san-diego) - [Flights from Fullerton (FUL) to San Diego (SAN)](https://www.expedia.ca/lp/flights/ful/san/fullerton-to-san-diego) - [Flights from Phoenix (PHX) to San Diego (SAN)](https://www.expedia.ca/lp/flights/phx/san/phoenix-to-san-diego) - [Flights from Penticton (YYF) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yyf/san/penticton-to-san-diego) - [Flights from McAllen (MFE) to San Diego (SAN)](https://www.expedia.ca/lp/flights/mfe/san/mcallen-to-san-diego) - [Flights from Kailua-Kona (KOA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/koa/san/kailua-kona-to-san-diego) - [Flights from Winnipeg (YWG) to San Diego (SAN)](https://www.expedia.ca/lp/flights/ywg/san/winnipeg-to-san-diego) - [Flights from Halifax (YHZ) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yhz/san/halifax-to-san-diego) - [Flights from Long Beach (LGB) to San Diego (SAN)](https://www.expedia.ca/lp/flights/lgb/san/long-beach-to-san-diego) - [Flights from Fort Myers (RSW) to San Diego (SAN)](https://www.expedia.ca/lp/flights/rsw/san/fort-myers-to-san-diego) - [Flights from Bakersfield (BFL) to San Diego (SAN)](https://www.expedia.ca/lp/flights/bfl/san/bakersfield-to-san-diego) - [Flights from Puerto Vallarta (PVR) to San Diego (SAN)](https://www.expedia.ca/lp/flights/pvr/san/puerto-vallarta-to-san-diego) - [Flights from Québec (YQB) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yqb/san/quebec-to-san-diego) - [Flights from Victoria (YYJ) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yyj/san/victoria-to-san-diego) - [Flights from Yuma (YUM) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yum/san/yuma-to-san-diego) - [Flights from Edmonton (YEA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yea/san/edmonton-to-san-diego) - [Flights from Monterey (MRY) to San Diego (SAN)](https://www.expedia.ca/lp/flights/mry/san/monterey-to-san-diego) - [Flights from Mexico City (MEX) to San Diego (SAN)](https://www.expedia.ca/lp/flights/mex/san/mexico-city-to-san-diego) - [Flights from Nashville (BNA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/bna/san/nashville-to-san-diego) - [Flights from London (LHR) to San Diego (SAN)](https://www.expedia.ca/lp/flights/lhr/san/london-to-san-diego) - [Flights from Charlotte (CLT) to San Diego (SAN)](https://www.expedia.ca/lp/flights/clt/san/charlotte-to-san-diego) - [Flights from Atlanta (ATL) to San Diego (SAN)](https://www.expedia.ca/lp/flights/atl/san/atlanta-to-san-diego) - [Flights from San José del Cabo (SJD) to San Diego (SAN)](https://www.expedia.ca/lp/flights/sjd/san/san-jose-del-cabo-to-san-diego) - [Flights from Santa Barbara (SBA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/sba/san/santa-barbara-to-san-diego) - [Flights from Abbotsford (YXX) to San Diego (SAN)](https://www.expedia.ca/lp/flights/yxx/san/abbotsford-to-san-diego) - [Flights from Kansas City (MCI) to San Diego (SAN)](https://www.expedia.ca/lp/flights/mci/san/kansas-city-to-san-diego) - [Flights from Seattle (SEA) to San Diego (SAN)](https://www.expedia.ca/lp/flights/sea/san/seattle-to-san-diego) - [Flights from Las Vegas (LAS) to San Diego (SAN)](https://www.expedia.ca/lp/flights/las/san/las-vegas-to-san-diego) \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/buf/san/buffalo-to-san-diego zh-CN: https://www.expedia.com/cn/lp/flights/buf/san/buffalo-to-san-diego nl-BE: https://www.expedia.be/lp/vluchten/buf/san/buffalo-naar-san-diego fr-FR: https://www.expedia.fr/lp/vols/buf/san/buffalo-a-san-diego pt-BR: https://www.expedia.com.br/lp/voos/buf/san/buffalo-para-san-diego en-JP: https://www.expedia.co.jp/en/lp/flights/buf/san/buffalo-to-san-diego zh-hant-HK: https://www.expedia.com.hk/lp/flights/buf/san/buffalo-to-san-diego en-IN: https://www.expedia.co.in/lp/flights/buf/san/buffalo-to-san-diego it-IT: https://www.expedia.it/lp/voli/buf/san/buffalo-a-san-diego en-TH: https://www.expedia.co.th/en/lp/flights/buf/san/buffalo-to-san-diego fi-FI: https://www.expedia.fi/lp/lennot/buf/san/buffalo-san-diego en-US: https://www.expedia.com/lp/flights/buf/san/buffalo-to-san-diego en-GB: https://www.expedia.co.uk/lp/flights/buf/san/buffalo-to-san-diego en-ID: https://www.expedia.co.id/en/lp/flights/buf/san/buffalo-to-san-diego th-TH: https://www.expedia.co.th/lp/flights/buf/san/buffalo-to-san-diego de-AT: https://www.expedia.at/lp/fluge/buf/san/buffalo-nach-san-diego fr-CA: https://www.expedia.ca/fr/lp/vols/buf/san/buffalo-a-san-diego es-ES: https://www.expedia.es/lp/vuelos/buf/san/buffalo-a-san-diego vi-VN: https://www.expedia.com.vn/lp/flights/buf/san/buffalo-to-san-diego ar: https://www.expedia.sa/lp/flights/buf/san/buffalo-to-san-diego ja-JP: https://www.expedia.co.jp/lp/flights/buf/san/buffalo-to-san-diego ko-KR: https://www.expedia.co.kr/lp/flights/buf/san/buffalo-to-san-diego de-DE: https://www.expedia.de/lp/fluge/buf/san/buffalo-nach-san-diego es: https://www.expedia.com/es/lp/vuelos/buf/san/buffalo-a-san-diego zh-hans-HK: https://www.expedia.com.hk/cn/lp/flights/buf/san/buffalo-to-san-diego id-ID: https://www.expedia.co.id/lp/flights/buf/san/buffalo-to-san-diego en-KR: https://www.expedia.co.kr/en/lp/flights/buf/san/buffalo-to-san-diego es-MX: https://www.expedia.mx/lp/vuelos/buf/san/buffalo-a-san-diego zh-TW: https://www.expedia.com.tw/lp/flights/buf/san/buffalo-to-san-diego sv-SE: https://www.expedia.se/lp/flyg/buf/san/buffalo-till-san-diego en-SG: https://www.expedia.com.sg/lp/flights/buf/san/buffalo-to-san-diego en-PH: https://www.expedia.com.ph/lp/flights/buf/san/buffalo-to-san-diego en-AU: https://www.expedia.com.au/lp/flights/buf/san/buffalo-to-san-diego nl-NL: https://www.expedia.nl/lp/vluchten/buf/san/buffalo-naar-san-diego en-NZ: https://www.expedia.co.nz/lp/flights/buf/san/buffalo-to-san-diego en-CA: https://www.expedia.ca/lp/flights/buf/san/buffalo-to-san-diego ```