--- title: "CA $186 Cheap Flights from Buffalo (BUF) to San Francisco (SFO)" description: "Cheap Flights from Buffalo (BUF) to San Francisco (SFO) start at CA $186 for one-way and CA $425 for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.ca/lp/flights/buf/sfo/buffalo-to-san-francisco" language: en-CA market: CA currency: CAD prices_as_of: 2026-11-15T04:43:43Z --- # CA $186 Cheap Flights from Buffalo (BUF) to San Francisco (SFO) ![A spacious airport terminal with a high ceiling and natural light.](https://images.trvl-media.com/place/5195347/e96e1b03-2633-485f-bd9c-09a1ee5cb4e9.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View CA $186 flight on Mon, Jan 11, 2027](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:11/01/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:185.42&airProductToken=AQpiCi8IxnISBDE0MDcYgS0g4Fwos5-iAzDDoKIDOFpAAFgBagVCYXNpY3IHWjIxUFhQMgovCMZyEgQxNDQ3GOBcILJxKIqiogMw36SiAzhaQAFYAWoFQmFzaWNyB1oyMVBYUDISDAgBEAIYASoCRjkyABgBIgQIARABKAIoAygEKAYwDQ) Photo by Courtesy of San Francisco International Airport ## Popular airlines from Buffalo Niagara Intl. Airport (BUF) to San Francisco International Airport (SFO) [American Airlines](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:29/11/2026TANYT&leg2=from:SFO,to:BUF,departure:06/12/2026TANYT&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:SFO,departure:29/11/2026TANYT&leg2=from:SFO,to:BUF,departure:06/12/2026TANYT&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:SFO,departure:29/11/2026TANYT&leg2=from:SFO,to:BUF,departure:06/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [United](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:29/11/2026TANYT&leg2=from:SFO,to:BUF,departure:06/12/2026TANYT&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:SFO,departure:29/11/2026TANYT&leg2=from:SFO,to:BUF,departure:06/12/2026TANYT&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:SFO,departure:29/11/2026TANYT&leg2=from:SFO,to:BUF,departure:06/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) [Frontier Airlines](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:29/11/2026TANYT&leg2=from:SFO,to:BUF,departure:06/12/2026TANYT&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 Francisco (BUF-SFO) Prices were available within the past 7 days and start at CA $186 for one-way flights and CA $425 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select American Airlines flight, departing Fri, Dec 11 from Buffalo to San Francisco, returning Sun, Dec 13, priced at CA $425 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:11/12/2026TANYT&leg2=from:SFO,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:424.51&airProductToken=AQpnCjIIwYIBEgQyNDA1GIEtIKOxASiwwJ8DMJ%5FCnwM4QkAAWAFqBUJBU0lDcghRVkFaWk5CVgoxCMGCARIDODEwGKOxASCycSj1wp8DMOPEnwM4QkABWAFqBUJBU0lDcghRVkFaWk5CVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) Fri, Dec 11 - Sun, Dec 13 · BUF · SFO · Roundtrip [Select Delta flight, departing Wed, Dec 9 from Buffalo to San Francisco, returning Tue, Dec 15, priced at CA $430 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:09/12/2026TANYT&leg2=from:SFO,to:BUF,departure:15/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:429.36&airProductToken=AQptCjUIxJgBEgQ1Mjg0GIEtIKlRKPCpnwMw1KqfAzhFQABYAWoJTUFJTkJBU0lDcghWQVZOQTBCUQo0CMSYARIDMzYzGKlRILJxKO-rnwMw-q6fAzhFQAFYAWoJTUFJTkJBU0lDcghWQVZOQTBCURIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) Wed, Dec 9 - Tue, Dec 15 · BUF · SFO · Roundtrip [Select Delta flight, departing Fri, Dec 11 from Buffalo to San Francisco, returning Sun, Dec 13, priced at CA $433 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:11/12/2026TANYT&leg2=from:SFO,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:432.01&airProductToken=AQpvCjYIxJgBEgQ0NjM5GIEtIOO0ASi3wZ8DMIvCnwM4RUAAWAFqCU1BSU5CQVNJQ3IIVkFWTkEwQlEKNQjEmAESAzQ2ORjjtAEgsnEo68KfAzCpxZ8DOEVAAVgBaglNQUlOQkFTSUNyCFZBVk5BMEJREgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) Fri, Dec 11 - Sun, Dec 13 · BUF · SFO · Roundtrip [Select Southwest Airlines flight, departing Wed, Dec 9 from Buffalo to San Francisco, returning Tue, Dec 15, priced at CA $450 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:09/12/2026TANYT&leg2=from:SFO,to:BUF,departure:15/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:449.76&airProductToken=AQphCi4I15wBEgMzODMYgS0g7LABKLuvnwMwqbCfAzhKQABYAWoDV0dBcgdKTEFWVzJJCi8I15wBEgQxNTM2GOywASCycSj5sJ8DMJuznwM4SkABWAFqA1dHQXIHSkxBVlcySRIKCAIQARgCKgJIUhgBIgQIARABKAIoAygEMAE) Wed, Dec 9 - Tue, Dec 15 · BUF · SFO · Roundtrip [Select Southwest Airlines flight, departing Thu, Dec 10 from Buffalo to San Francisco, returning Sun, Dec 13, priced at CA $451 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:10/12/2026TANYT&leg2=from:SFO,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:450.61&airProductToken=AQpgCi4I15wBEgQxMzU1GIEtIMFFKM-0nwMwqbWfAzhKQABYAWoDV0dBcgdKTEFWVzJJCi4I15wBEgQyNzY2GMFFILJxKOy2nwMw3rmfAzhKQAFYAWoDV0dBcgdKTEFWVzJJEgoIAhABGAIqAkhSGAEiBAgBEAEoAigDKAQwAQ) Thu, Dec 10 - Sun, Dec 13 · BUF · SFO · Roundtrip [Select Southwest Airlines flight, departing Mon, Dec 7 from Buffalo to San Francisco, returning Sun, Dec 13, priced at CA $453 Found 2 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:07/12/2026TANYT&leg2=from:SFO,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:452.51&airProductToken=AQpfCi0I15wBEgM4MTgYgS0gg2kogZefAzDnmJ8DOEpAAFgBagNXR0FyB0pMQVZXMkkKLgjXnAESBDE4MTcYg2kgsnEoo5mfAzDImp8DOEpAAVgBagNXR0FyB0pMQVZXMkkSCggCEAEYAioCSFIYASIECAEQASgCKAMoBDAB) Mon, Dec 7 - Sun, Dec 13 · BUF · SFO · Roundtrip [Select Delta flight, departing Thu, Dec 10 from Buffalo to San Francisco, returning Sun, Dec 13, priced at CA $459 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:10/12/2026TANYT&leg2=from:SFO,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:458.11&airProductToken=AQptCjUIxJgBEgQyNjY0GIEtIOBcKNS0nwMw47WfAzhFQABYAWoJTUFJTkJBU0lDcghYQVZTQTVCQwo0CMSYARIDNjcyGOBcILJxKNO2nwMwn7mfAzhFQAFYAWoJTUFJTkJBU0lDcghYQVZTQTVCQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) Thu, Dec 10 - Sun, Dec 13 · BUF · SFO · Roundtrip [Select Southwest Airlines flight, departing Thu, Dec 10 from Buffalo to San Francisco, returning Sun, Dec 13, priced at CA $459 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:10/12/2026TANYT&leg2=from:SFO,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:458.51&airProductToken=AQphCi4I15wBEgM3MjYYgS0g7LABKLS4nwMwormfAzhKQABYAWoDV0dBcgdKTEFWVzJJCi8I15wBEgQxNTM2GOywASCycSiZvJ8DMLu-nwM4SkABWAFqA1dHQXIHSkxBVlcySRIKCAIQARgCKgJIUhgBIgQIARABKAIoAygEMAE) Thu, Dec 10 - Sun, Dec 13 · BUF · SFO · Roundtrip [Select United flight, departing Wed, Dec 9 from Buffalo to San Francisco, returning Tue, Dec 15, priced at CA $515 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:09/12/2026TANYT&leg2=from:SFO,to:BUF,departure:15/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:514.26&airProductToken=AQplCjEI1YIBEgQ0MzgxGIEtIK4cKI2tnwMwh66fAzhLQABYAWoFMl9lY29yCEtBQTJQRkROCjAI1YIBEgM2NDkYrhwgsnEo66-fAzCbsp8DOEtAAFgBagUyX2Vjb3IIS0FBMlBGRE4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) Wed, Dec 9 - Tue, Dec 15 · BUF · SFO · Roundtrip [Select Frontier Airlines flight, departing Thu, Nov 19 from Buffalo to San Francisco, returning Tue, Nov 24, priced at CA $678 Found 6 hours ago](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SFO,departure:19/11/2026TANYT&leg2=from:SFO,to:BUF,departure:24/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:677.76&airProductToken=AQpiCi8IxnISBDE0MDcYgS0g4FwotsydAzC%5FzZ0DOENAAFgBagVCYXNpY3IHQzAwUFhQMgovCMZyEgQxNDQ3GOBcILJxKILOnQMw2NCdAzhDQAFYAWoFQmFzaWNyB0MwMFBYUDIKYgovCMZyEgQxNDQ4GLJxIOBcKJ6KngMww4yeAzhDQABYAWoFQmFzaWNyB1EwN1pYUDQKLwjGchIEMTQwOBjgXCCBLSiRjp4DMJePngM4Q0ABWAFqBUJhc2ljcgdRMDdaWFA0EgwIARACGAEqAkY5MgAYASIECAEQASgCKAMoBCgGMA0) Thu, Nov 19 - Tue, Nov 24 · BUF · SFO · Roundtrip ## Alternative airports near San Francisco Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to Norman Y. Mineta San Jose Intl. SJC. Average driving time to city centre is 50 minutes. Flights from CA $1,591](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:SJC,departure:29/11/2026TANYT&leg2=from:SJC,to:BUF,departure:16/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 50 min [Select flight to Oakland Intl. OAK. Average driving time to city centre is 26 minutes. Flights from CA $5,330](https://www.expedia.ca/Flights-Search?leg1=from:BUF,to:OAK,departure:29/11/2026TANYT&leg2=from:OAK,to:BUF,departure:09/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 26 min ## Book with confidence ### Buffalo to San Francisco Flights #### The easy way to book your flights from Buffalo to San Francisco With Expedia, it’s simple to find and book flights to San Francisco from Buffalo whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 5 airlines that cover this route. There are United Airlines nonstop flights to San Francisco 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 Francisco today, tomorrow, or this week. #### Save dollars with cheap flights from Buffalo Niagara Intl., BUF to San Francisco Intl., SFO Sort your search results by price to find great deals on your flight from Buffalo to San Francisco—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Francisco from Buffalo currently is just CA $425 rising to CA $678\. 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 Francisco - 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 Francisco 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 Francisco with Expedia today. ## Frequently Asked Questions ### How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco Intl.) cost? You can find cheap one-way flights from CA $186 and cheap return flights CA $425 BUF to SFO with Expedia. One-way flights typically cost between CA$245 and CA$1163, and return flights often range between CA$566 and CA$1600\. 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 SFO ticket fares go up or down. ### What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco Intl.)? The cheapest months to fly from BUF to SFO 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) to San Francisco, CA (SFO)? Enter BUF to SFO 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 Francisco, CA (SFO-San Francisco Intl.)? Southwest Airlines is one of the cheapest airlines offering connecting return flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco Intl.), with tickets starting from around CA$281 for flights that can be booked for departure within the next year. These flights typically include a layover in Baltimore Washington Intl. Thurgood Marshall (BWI). 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 Francisco, CA (SFO-San Francisco Intl.)? To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco 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 Francisco, CA (SFO-San Francisco 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 Francisco, CA (SFO-San Francisco Intl.)? There are approximately 93 connecting flights per day from Buffalo Niagara Intl. (BUF) to San Francisco Intl. (SFO). 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 Francisco, CA (SFO-San Francisco Intl.)? The earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco Intl.) typically departs around 5:00 AM. This service is offered by American Airlines. Please note that this is a seasonal service, active only in August. An early departure like this can be great for maximizing your time in San Francisco. 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 Francisco, CA (SFO-San Francisco Intl.)? You'll typically find the most flights from Buffalo Niagara Intl. (BUF) to San Francisco Intl. (SFO) on a Friday, with around 44 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include American Airlines, United, and Delta. ### What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco Intl.)? The most popular departure times for flights from Buffalo Niagara Intl. (BUF) to San Francisco Intl. (SFO) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, United and Delta, offer flights during this window. Many travellers prefer this time as it allows for an early start to their journey, often leading to an afternoon arrival at their destination. ### How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco Intl.)? There are no nonstop flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco Intl.). For flights with one stop, you can expect the journey to take around 9 hours 18 minutes. If your travel involves two or more stops, the total flight time will typically be longer, averaging about 12 hours. The distance covered on this route is approximately 3,707 kilometres. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions. ### Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco Intl.)? You can fly business class or first class between BUF and SFO. You can fly business class with Frontier Airlines and Delta. First class cabins are available on Alaska Airlines, Delta, United, and American Airlines. ### How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco Intl.) flight with Expedia? It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco 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 Francisco, CA (SFO) from Buffalo, NY (BUF)? If you're planning to travel to San Francisco from Buffalo Niagara Intl. (BUF), you can fly directly into San Francisco Intl. (SFO). Some flights may connect through major hubs like O'Hare Intl. (ORD), Baltimore Washington Intl. Thurgood Marshall (BWI), or Ronald Reagan Washington National (DCA) before reaching San Francisco. 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 Francisco, CA (SFO-San Francisco Intl.) at the last minute? Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco 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 Francisco, CA (SFO-San Francisco Intl.) flight and hotel package? Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco Intl.) [flight and hotel package](https://www.expedia.ca/san-francisco.d178305.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 Francisco, CA (SFO-San Francisco Intl.)? If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to San Francisco, CA (SFO-San Francisco 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 Francisco International Airport | | Distance | 3,708 km away | | Airlines serving | American Airlines, JetBlue Airways, Delta, United, Alaska Airlines, Southwest Airlines, Frontier Airlines | | Popular airline | American Airlines | | Roundtrip price | CA $425 | | Average flight time | 10 hours 3 mins | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Shanghai (PVG) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/pvg/sfo/shanghai-to-san-francisco) - [Flights from Los Angeles (LAX) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/lax/sfo/los-angeles-to-san-francisco) - [Flights from Manila (MNL) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/mnl/sfo/manila-to-san-francisco) - [Flights from Vancouver (YVR) to San Jose (SJC)](https://www.expedia.ca/lp/flights/yvr/sjc/vancouver-to-san-jose) - [Flights from Kitchener (YKF) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/ykf/sfo/kitchener-to-san-francisco) - [Flights from Las Vegas (LAS) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/las/sfo/las-vegas-to-san-francisco) - [Flights from Toronto (YYZ) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/yyz/sfo/toronto-to-san-francisco) - [Flights from Cairo (CAI) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/cai/sfo/cairo-to-san-francisco) - [Flights from Halifax (YHZ) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/yhz/sfo/halifax-to-san-francisco) - [Flights from Charlotte (CLT) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/clt/sfo/charlotte-to-san-francisco) - [Flights from Abbotsford (YXX) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/yxx/sfo/abbotsford-to-san-francisco) - [Flights from Moncton (YQM) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/yqm/sfo/moncton-to-san-francisco) - [Flights from Seoul (ICN) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/icn/sfo/seoul-to-san-francisco) - [Flights from Miami (MIA) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/mia/sfo/miami-to-san-francisco) - [Flights from Bengaluru (BLR) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/blr/sfo/bengaluru-to-san-francisco) - [Flights from St. John's (YYT) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/yyt/sfo/st-johns-to-san-francisco) - [Flights from Sacramento (SMF) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/smf/sfo/sacramento-to-san-francisco) - [Flights from Austin (AUS) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/aus/sfo/austin-to-san-francisco) - [Flights from Philadelphia (PHL) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/phl/sfo/philadelphia-to-san-francisco) - [Flights from Raleigh (RDU) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/rdu/sfo/raleigh-to-san-francisco) - [Flights from New York (LGA) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/lga/sfo/new-york-to-san-francisco) - [Flights from New York (JFK) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/jfk/sfo/new-york-to-san-francisco) - [Flights from Newark Liberty Intl. 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[Flights from Ontario Intl. Airport (ONT) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/ont/sfo/ontario-to-san-francisco) - [Flights from Winnipeg (YWG) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/ywg/sfo/winnipeg-to-san-francisco) - [Flights from Dallas (DFW) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/dfw/sfo/dallas-to-san-francisco) - [Flights from Lethbridge (YQL) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/yql/sfo/lethbridge-to-san-francisco) - [Flights from Auckland (AKL) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/akl/sfo/auckland-to-san-francisco) - [Flights from Portland (PDX) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/pdx/sfo/portland-to-san-francisco) - [Flights from Calgary (YYC) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/yyc/sfo/calgary-to-san-francisco) - [Flights from Mumbai (BOM) to San Francisco (SFO)](https://www.expedia.ca/lp/flights/bom/sfo/mumbai-to-san-francisco) \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/buf/sfo/buffalo-to-san-francisco ja-JP: https://www.expedia.co.jp/lp/flights/buf/sfo/buffalo-to-san-francisco es: https://www.expedia.com/es/lp/vuelos/buf/sfo/buffalo-a-san-francisco zh-hans-HK: https://www.expedia.com.hk/cn/lp/flights/buf/sfo/buffalo-to-san-francisco sv-SE: https://www.expedia.se/lp/flyg/buf/sfo/buffalo-till-san-francisco de-AT: https://www.expedia.at/lp/fluge/buf/sfo/buffalo-nach-san-francisco en-CA: https://www.expedia.ca/lp/flights/buf/sfo/buffalo-to-san-francisco en-IE: https://www.expedia.ie/lp/flights/buf/sfo/buffalo-to-san-francisco fr-CA: https://www.expedia.ca/fr/lp/vols/buf/sfo/buffalo-a-san-francisco ar: https://www.expedia.sa/lp/flights/buf/sfo/buffalo-to-san-francisco nb-NO: https://www.expedia.no/lp/fly/buf/sfo/buffalo-til-san-francisco en-JP: https://www.expedia.co.jp/en/lp/flights/buf/sfo/buffalo-to-san-francisco en-SG: https://www.expedia.com.sg/lp/flights/buf/sfo/buffalo-to-san-francisco id-ID: https://www.expedia.co.id/lp/flights/buf/sfo/buffalo-to-san-francisco en-AU: https://www.expedia.com.au/lp/flights/buf/sfo/buffalo-to-san-francisco da-DK: https://www.expedia.dk/lp/fly/buf/sfo/buffalo-til-san-francisco en-KR: https://www.expedia.co.kr/en/lp/flights/buf/sfo/buffalo-to-san-francisco nl-NL: https://www.expedia.nl/lp/vluchten/buf/sfo/buffalo-naar-san-francisco en-TW: https://www.expedia.com.tw/en/lp/flights/buf/sfo/buffalo-to-san-francisco en-GB: https://www.expedia.co.uk/lp/flights/buf/sfo/buffalo-to-san-francisco en-HK: https://www.expedia.com.hk/en/lp/flights/buf/sfo/buffalo-to-san-francisco en-MY: https://www.expedia.com.my/lp/flights/buf/sfo/buffalo-to-san-francisco es-MX: https://www.expedia.mx/lp/vuelos/buf/sfo/buffalo-a-san-francisco fr-BE: https://www.expedia.be/fr/lp/vols/buf/sfo/buffalo-a-san-francisco pt-BR: https://www.expedia.com.br/lp/voos/buf/sfo/buffalo-para-sao-francisco zh-hant-HK: https://www.expedia.com.hk/lp/flights/buf/sfo/buffalo-to-san-francisco fr-FR: https://www.expedia.fr/lp/vols/buf/sfo/buffalo-a-san-francisco zh-CN: https://www.expedia.com/cn/lp/flights/buf/sfo/buffalo-to-san-francisco en-IN: https://www.expedia.co.in/lp/flights/buf/sfo/buffalo-to-san-francisco en-US: https://www.expedia.com/lp/flights/buf/sfo/buffalo-to-san-francisco it-IT: https://www.expedia.it/lp/voli/buf/sfo/buffalo-a-san-francisco ```