--- title: "Budget Flights from Oakland (OAK) to Ontario (ONT) from CA $75 - Expedia.ca" description: "Ready to book flights from Oakland (OAK) to Ontario (ONT)? Enjoy one-way flights from CA $75 and roundtrip from CA $155—track the price of your flight today!" canonical: "https://www.expedia.ca/lp/flights/oak/ont/oakland-to-ontario-intl-airport" language: en-CA market: CA currency: CAD prices_as_of: 2026-11-14T09:26:26Z --- # CA $75 Cheap Flights from Oakland (OAK) to Ontario Intl. Airport (ONT) ![A range of rugged mountains with snow-capped peaks under a clear sky.](https://images.trvl-media.com/place/920220451419299840/376f60d1-4bee-464a-b8b4-c9542b4cb378.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View CA $75 flight on Sat, Dec 5, 2026](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:05/12/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:74.28&airProductToken=AQplCjAIxnISBDIwNDYYjlAgi5ABKOyAnwMwyIGfAzhaQABYAWoFQmFzaWNyB1oyMVNYUzMKMQjGchIEMTkyMxiLkAEgrpsBKJWDnwMw14OfAzhaQAFYAWoFQmFzaWNyB1oyMVNYUzMSDAgBEAIYASoCRjkyABgBIgQIARABKAIoAygEKAYwDQ) ## Popular airlines from Oakland Intl. Airport (OAK) to Ontario Intl. Airport (ONT) [Southwest Airlines](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:28/11/2026TANYT&leg2=from:ONT,to:OAK,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) [Alaska Airlines](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:28/11/2026TANYT&leg2=from:ONT,to:OAK,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) [Frontier Airlines](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:28/11/2026TANYT&leg2=from:ONT,to:OAK,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) [Delta](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:28/11/2026TANYT&leg2=from:ONT,to:OAK,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) ### 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 Oakland to Ontario (OAK-ONT) Prices were available within the past 7 days and start at CA $75 for one-way flights and CA $155 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select Frontier Airlines flight, departing Tue, Dec 15 from Oakland to Ontario, returning Tue, Dec 22, priced at CA $155 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:15/12/2026TANYT&leg2=from:ONT,to:OAK,departure:22/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:154.21&airProductToken=AQplCjAIxnISBDIwNDYYjlAgi5ABKKzxnwMwiPKfAzhLQABYAWoFQmFzaWNyB0syMUVYUzMKMQjGchIEMTM1NxiLkAEgrpsBKOX7nwMwp%5FyfAzhLQAFYAWoFQmFzaWNyB0syMUVYUzMKZQoxCMZyEgQyMjMyGK6bASCLkAEouL6gAzD6vqADOEtAAFgBagVCYXNpY3IHSzIxRVhTMwowCMZyEgQyMDQ1GIuQASCOUCjJv6ADMKjAoAM4S0ABWAFqBUJhc2ljcgdLMjFFWFMzEgwIARACGAEqAkY5MgAYASIECAEQASgCKAMoBCgGMA0) Tue, Dec 15 - Tue, Dec 22 · OAK · ONT · Roundtrip [Select Frontier Airlines flight, departing Sun, Nov 22 from Oakland to Ontario, returning Tue, Dec 1, priced at CA $341 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:22/11/2026TANYT&leg2=from:ONT,to:OAK,departure:01/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:340.09&airProductToken=AQpjCi8IxnISBDIwNDYYjlAgi5ABKIzunQMw7O6dAzhFQABYAWoEUENfMXIHRzA3WVhTMwowCMZyEgQxMjgzGIuQASCumwEo9fadAzC4950DOEVAAVgBagRQQ18xcgdHMDdZWFMzCmMKMAjGchIEMTM1OBiumwEgi5ABKMjUngMwjNWeAzhFQABYAWoEUENfMXIHWjIxUFhTNgovCMZyEgQyMDQ1GIuQASCOUCjz3Z4DMNXengM4RUABWAFqBFBDXzFyB1oyMVBYUzYSCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN) Sun, Nov 22 - Tue, Dec 1 · OAK · ONT · Roundtrip [Select Alaska Airlines flight, departing Tue, Dec 15 from Oakland to Ontario, returning Tue, Dec 22, priced at CA $346 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:15/12/2026TANYT&leg2=from:ONT,to:OAK,departure:22/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:345.02&airProductToken=AQqSAQovCMGmARIEMjI3NRiOUCDvuAEope-fAzCO8J8DOFhAAFgBagJTVnIIR0gyT1hWQk4KLgjBpgESAzM0MxjvuAEgwUMox%5FCfAzCZ8Z8DOFhAAVgBagJTVnIIR0g1WVhVQk4KLwjBpgESBDMzODAYwUMgrpsBKLDynwMwuPOfAzhYQAFYAWoCU1ZyCEdINVlYVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) Tue, Dec 15 - Tue, Dec 22 · OAK · ONT · Roundtrip [Select Frontier Airlines flight, departing Sun, Nov 22 from Oakland to Ontario, returning Tue, Dec 1, priced at CA $348 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:22/11/2026TANYT&leg2=from:ONT,to:OAK,departure:01/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:347.15&airProductToken=AQpjCi8IxnISBDM4MzgYjlAgi5ABKMXvnQMwpfCdAzhFQABYAWoEUENfMXIHRzA3WVhTMwowCMZyEgQxMjgzGIuQASCumwEo9fadAzC4950DOEVAAVgBagRQQ18xcgdHMDdZWFMzCmMKMAjGchIEMjIzMhiumwEgi5ABKODRngMwotKeAzhFQABYAWoEUENfMXIHWjIxUFhTNgovCMZyEgQyMDQ1GIuQASCOUCjT0p4DMLXTngM4RUABWAFqBFBDXzFyB1oyMVBYUzYSCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN) Sun, Nov 22 - Tue, Dec 1 · OAK · ONT · Roundtrip [Select Alaska Airlines flight, departing Tue, Dec 15 from Oakland to Ontario, returning Tue, Dec 22, priced at CA $353 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:15/12/2026TANYT&leg2=from:ONT,to:OAK,departure:22/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:352.93&airProductToken=AQqSAQovCMGmARIEMjI3NRiOUCDvuAEope-fAzCO8J8DOFhAAFgBagJTVnIIR0gyT1hWQk4KLgjBpgESAzM0MxjvuAEgwUMox%5FCfAzCZ8Z8DOFhAAVgBagJTVnIIR0g1WVhVQk4KLwjBpgESBDMzODAYwUMgrpsBKLDynwMwuPOfAzhYQAFYAWoCU1ZyCEdINVlYVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) Tue, Dec 15 - Tue, Dec 22 · OAK · ONT · Roundtrip [Select Frontier Airlines flight, departing Sun, Nov 22 from Oakland to Ontario, returning Tue, Dec 1, priced at CA $357 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:22/11/2026TANYT&leg2=from:ONT,to:OAK,departure:01/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:356.50&airProductToken=AQoxCi8IxnISBDQyMjIYjlAgrpsBKLPynQMwgPOdAzhFQABYAWoEUENfMXIHTTA3WVhTMwpjCjAIxnISBDEzNTgYrpsBIIuQASjI1J4DMIzVngM4RUAAWAFqBFBDXzFyB1oyMVBYUzYKLwjGchIEMjA0NRiLkAEgjlAo892eAzDV3p4DOEVAAVgBagRQQ18xcgdaMjFQWFM2EgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ) Sun, Nov 22 - Tue, Dec 1 · OAK · ONT · Roundtrip [Select Frontier Airlines flight, departing Fri, Nov 27 from Oakland to Ontario, returning Tue, Dec 1, priced at CA $362 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:27/11/2026TANYT&leg2=from:ONT,to:OAK,departure:01/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:361.05&airProductToken=AQpjCi8IxnISBDIwNDYYjlAgi5ABKKymngMwjKeeAzhFQABYAWoEUENfMXIHQzE0SVhTMwowCMZyEgQxMzU3GIuQASCumwEovaeeAzD7p54DOEVAAVgBagRQQ18xcgdDMTRJWFMzCmMKMAjGchIEMTM1OBiumwEgi5ABKMjUngMwjNWeAzhFQABYAWoEUENfMXIHWjIxUFhTNgovCMZyEgQyMDQ1GIuQASCOUCjz3Z4DMNXengM4RUABWAFqBFBDXzFyB1oyMVBYUzYSCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN) Fri, Nov 27 - Tue, Dec 1 · OAK · ONT · Roundtrip [Select Frontier Airlines flight, departing Sun, Nov 22 from Oakland to Ontario, returning Tue, Dec 1, priced at CA $364 Found 4 days ago](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:22/11/2026TANYT&leg2=from:ONT,to:OAK,departure:01/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:363.57&airProductToken=AQoyCjAIxnISBDQyMjIYjlAgrpsBKLPynQMwgPOdAzhNQABYAWoFQmFzaWNyB00wN1lYUzMKZQoxCMZyEgQyMjMyGK6bASCLkAEo4NGeAzCi0p4DOE1AAFgBagVCYXNpY3IHWjIxUFhTNgowCMZyEgQyMDQ1GIuQASCOUCjT0p4DMLXTngM4TUABWAFqBUJhc2ljcgdaMjFQWFM2EgwIARACGAEqAkY5MgAYASIECAEQASgCKAMoBCgGMA0) Sun, Nov 22 - Tue, Dec 1 · OAK · ONT · Roundtrip [Select Delta flight, departing Tue, Dec 15 from Oakland to Ontario, returning Tue, Dec 22, priced at CA $367 Found 3 days ago](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:15/12/2026TANYT&leg2=from:ONT,to:OAK,departure:22/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:366.92&airProductToken=AQqmAQo1CMSYARIENDA2MRiOUCDyEiij7p8DMJrvnwM4RUAAWAFqCU1BSU5CQVNJQ3IIVkFWU0EwQlEKNQjEmAESBDI5OTUY8hIgkgEop%5FCfAzC08Z8DOEVAAVgBaglNQUlOQkFTSUNyCFZBVlNBMEJRCjYIxJgBEgQzOTg3GJIBIK6bASj79J8DMKP2nwM4RUABWAFqCU1BSU5CQVNJQ3IIVkFXU0gzQlESCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) Tue, Dec 15 - Tue, Dec 22 · OAK · ONT · Roundtrip [Select Southwest Airlines flight, departing Mon, Nov 16 from Oakland to Ontario, returning Fri, Nov 20, priced at CA $912 Found 5 days ago](https://www.expedia.ca/Flights-Search?leg1=from:OAK,to:ONT,departure:16/11/2026TANYT&leg2=from:ONT,to:OAK,departure:20/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:911.60&airProductToken=AQoxCi8I15wBEgQxMDUzGI5QIK6bASikrJ0DMO-snQM4TUAAWAFqA1dHQXIHTUxON1AyRQoxCi8I15wBEgQzNDkxGK6bASCOUCjN150DMJ3YnQM4TUAAWAFqA1dHQXIHTUxON1AyRRIKCAIQARgCKgJIUhgBIgQIARABKAIoAygEMAE) Mon, Nov 16 - Fri, Nov 20 · OAK · ONT · Roundtrip ## Book with confidence ### Oakland to Ontario Flights #### The easy way to book your flights from Oakland to Ontario Intl. Airport With Expedia, it’s simple to find and book flights to Ontario Intl. Airport from Oakland whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 4 airlines that cover this route. There are Frontier Airlines nonstop flights to Ontario Intl. Airport, 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 Oakland to Ontario Intl. Airport today, tomorrow, or this week. #### Save dollars with cheap flights from Oakland Intl., OAK to Ontario Intl. Airport, ONT Sort your search results by price to find great deals on your flight from Oakland to Ontario Intl. Airport—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario Intl. Airport from Oakland currently is just CA $155 rising to CA $912\. 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 Ontario Intl. Airport - 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 Ontario Intl. Airport from Oakland 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 Ontario Intl. Airport with Expedia today. ## Frequently Asked Questions ### How much does a flight from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) cost? You can find one-way and return flights from OAK to ONT with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when OAK to ONT ticket fares go up or down. ### What is the cheapest month to fly from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? The cheapest months to fly from OAK to ONT 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 Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? Only one airline offers direct flights from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT): Southwest Airlines operates 28 direct flights from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) every week. ### What is the cheapest airline that flies from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? Southwest Airlines is one of the cheapest airlines offering nonstop return flights from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT), with tickets starting from around CA$172 for flights that can be booked for departure within the next year. Southwest Airlines also offers one of the cheapest connecting return flights on this route, with a layover in Long Beach Municipal (LGB), starting from around CA$186\. 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 Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? To find a cheap flight from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT), 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 airline to fly with from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? The best airline to fly with from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) will differ from traveler to traveler. If you like to fly early, Southwest Airlines offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access. ### What is the best time to fly from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? 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 Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? You'll find approximately 4 nonstop flights per day from Oakland Intl. (OAK) to Ontario Intl. Airport (ONT). For even more choices, look at flights that include layovers, as there are around 36 connecting flights per day. Some common connection points include Harry Reid Intl. (LAS), Portland Intl. (PDX), and San Diego Intl. (SAN). ### What is the earliest flight from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? The earliest flight from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) typically departs around 5:00 AM. This service is offered by Southwest Airlines. This is a seasonal service, active in November. 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 Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? You'll find the most flights from Oakland Intl. (OAK) to Ontario Intl. Airport (ONT) on Fridays, with around 30 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, Alaska Airlines, and Delta. Fridays offer notably more flight options compared to other days of the week, making it a good day to consider if you need flexibility. ### What are the most popular departure times for flights from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? The most popular departure times for flights from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) are between 9am and 12pm. Many major carriers, including Southwest Airlines and Alaska Airlines, offer flights during this window. Many travellers prefer these morning flights as they allow you to arrive at your destination with plenty of time to spare for your day's activities. ### How long does it take to fly from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? A nonstop flight from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) typically takes about 1 hour 18 minutes. This route covers a distance of approximately 581 kilometers. If you opt for a flight with one stop, your travel time will be significantly longer, usually around 6 hours 30 minutes. Flights with two or more stops generally take even longer, averaging about 7 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic. ### Can you fly business or first class from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? Yes, you can fly business class or first class between OAK and ONT. You can fly business class with Delta. First class cabins are available on Alaska Airlines, Delta, and Hawaiian Airlines. ### How do I earn miles on a Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) flight with Expedia? It's easy to earn miles on a Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) 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 Ontario Intl. Airport (ONT) from Oakland, CA (OAK)? If you're planning to travel to Ontario from Oakland Intl. (OAK), you can fly directly into Los Angeles - Ontario Intl. (ONT). Some flights may connect through major hubs like San Diego Intl. (SAN), Long Beach Municipal (LGB), or Portland Intl. (PDX) before reaching Ontario. 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 Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) at the last minute? Typically, booking a last minute flight from Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) 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 Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) flight and hotel package? Securing a Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) [flight and hotel package](https://www.expedia.ca/los-angeles.d178280.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 Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT)? If you booked your Oakland, CA (OAK-Oakland Intl.) to Ontario Intl. Airport (ONT) 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 | Oakland Intl. Airport | | ------------------- | ------------------------------------------------------------- | | Destination airport | Ontario Intl. Airport | | Distance | 581 km away | | Airlines serving | Southwest Airlines, Alaska Airlines, Frontier Airlines, Delta | | Popular airline | Southwest Airlines | | Roundtrip price | CA $155 | | Average flight time | 1 hour 20 mins | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Las Vegas (LAS) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/las/ont/las-vegas-to-ontario) - [Flights from Ogdensburg (OGS) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ogs/ont/ogdensburg-to-ontario) - [Flights from Montreal (YUL) to Los Angeles (LAX)](https://www.expedia.ca/lp/flights/yul/lax/montreal-to-los-angeles) - [Flights from San Diego (SAN) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/san/ont/san-diego-to-ontario) - [Flights from Saint John (YSJ) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ysj/ont/saint-john-to-ontario) - [Flights from Edmonton (YEG) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yeg/ont/edmonton-to-ontario) - [Flights from Penticton (YYF) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yyf/ont/penticton-to-ontario) - [Flights from Abbotsford (YXX) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yxx/ont/abbotsford-to-ontario) - [Flights from Rochester (ROC) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/roc/ont/rochester-to-ontario) - [Flights from Medicine Hat (YXH) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yxh/ont/medicine-hat-to-ontario) - [Flights from Montreal (YUL) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yul/ont/montreal-to-ontario) - [Flights from Palm Springs (PSP) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/psp/ont/palm-springs-to-ontario) - [Flights from Denver (DEN) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/den/ont/denver-to-ontario) - [Flights from Baltimore (BWI) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/bwi/ont/baltimore-to-ontario) - [Flights from Chicago (ORD) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ord/ont/chicago-to-ontario) - [Flights from Boston (BOS) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/bos/ont/boston-to-ontario) - [Flights from Syracuse (SYR) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/syr/ont/syracuse-to-ontario) - [Flights from Tampa (TPA) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/tpa/ont/tampa-to-ontario) - [Flights from Québec (YQB) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yqb/ont/quebec-to-ontario) - [Flights from San Jose (SJC) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/sjc/ont/san-jose-to-ontario) - [Flights from Toronto (YYZ) to Orange County (SNA)](https://www.expedia.ca/lp/flights/yyz/sna/toronto-to-orange-county) - [Flights from London (LHR) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/lhr/ont/london-to-ontario) - [Flights from Birmingham (BHM) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/bhm/ont/birmingham-to-ontario) - [Flights from Indianapolis (IND) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ind/ont/indianapolis-to-ontario) - [Flights from Vancouver (YVR) to Los Angeles (LAX)](https://www.expedia.ca/lp/flights/yvr/lax/vancouver-to-los-angeles) - [Flights from Moncton (YQM) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yqm/ont/moncton-to-ontario) - [Flights from Spokane (GEG) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/geg/ont/spokane-to-ontario) - [Flights from Victoria (YYJ) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yyj/ont/victoria-to-ontario) - [Flights from Jacksonville (JAX) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/jax/ont/jacksonville-to-ontario) - [Flights from Las Vegas (LAS) to Los Angeles (LAX)](https://www.expedia.ca/lp/flights/las/lax/las-vegas-to-los-angeles) - [Flights from Barstow (DAG) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/dag/ont/barstow-to-ontario) - [Flights from Thunder Bay (YQT) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yqt/ont/thunder-bay-to-ontario) - [Flights from Grande Prairie (YQU) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yqu/ont/grande-prairie-to-ontario) - [Flights from Burlington (BTV) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/btv/ont/burlington-to-ontario) - [Flights from Vancouver (YVR) to Orange County (SNA)](https://www.expedia.ca/lp/flights/yvr/sna/vancouver-to-orange-county) - [Flights from Winnipeg (YWG) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ywg/ont/winnipeg-to-ontario) - [Flights from Richmond (RIC) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ric/ont/richmond-to-ontario) - [Flights from Ottawa (YOW) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yow/ont/ottawa-to-ontario) - [Flights from Sacramento (SMF) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/smf/ont/sacramento-to-ontario) - [Flights from Toronto (YYZ) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yyz/ont/toronto-to-ontario) - [Flights from Austin (AUS) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/aus/ont/austin-to-ontario) - [Flights from Washington (DCA) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/dca/ont/washington-to-ontario) - [Flights from Dallas (DFW) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/dfw/ont/dallas-to-ontario) - [Flights from Kelowna (YLW) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ylw/ont/kelowna-to-ontario) - [Flights from Prince Albert (YPA) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ypa/ont/prince-albert-to-ontario) - [Flights from Houston (IAH) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/iah/ont/houston-to-ontario) - [Flights from Yellowknife (YZF) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yzf/ont/yellowknife-to-ontario) - [Flights from Calgary (YYC) to Los Angeles (LAX)](https://www.expedia.ca/lp/flights/yyc/lax/calgary-to-los-angeles) - [Flights from Reno (RNO) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/rno/ont/reno-to-ontario) - [Flights from Taipei (TPE) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/tpe/ont/taipei-to-ontario) - [Flights from Hamilton (YHM) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yhm/ont/hamilton-to-ontario) - [Flights from Vancouver (YVR) to Los Angeles (QLA)](https://www.expedia.ca/lp/flights/yvr/qla/vancouver-to-los-angeles) - [Flights from Deer Lake (YDF) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ydf/ont/deer-lake-to-ontario) - [Flights from Sydney (SYD) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/syd/ont/sydney-to-ontario) - [Flights from Toronto (YYZ) to Los Angeles (LAX)](https://www.expedia.ca/lp/flights/yyz/lax/toronto-to-los-angeles) - [Flights from Delhi (DEL) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/del/ont/delhi-to-ontario) - [Flights from St. John's (YYT) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yyt/ont/st-johns-to-ontario) - [Flights from Whitehorse (YXY) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yxy/ont/whitehorse-to-ontario) - [Flights from Nashville (BNA) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/bna/ont/nashville-to-ontario) - [Flights from Kansas City (MCI) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/mci/ont/kansas-city-to-ontario) - [Flights from Fort McMurray (YMM) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ymm/ont/fort-mcmurray-to-ontario) - [Flights from Fort Myers (RSW) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/rsw/ont/fort-myers-to-ontario) - [Flights from Lethbridge (YQL) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yql/ont/lethbridge-to-ontario) - [Flights from Lagos (LOS) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/los/ont/lagos-to-ontario) - [Flights from Miami (MIA) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/mia/ont/miami-to-ontario) - [Flights from St. Thomas (STT) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/stt/ont/st-thomas-to-ontario) - [Flights from Portland (PDX) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/pdx/ont/portland-to-ontario) - [Flights from Halifax (YHZ) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yhz/ont/halifax-to-ontario) - [Flights from Winnipeg (YWG) to Los Angeles (LAX)](https://www.expedia.ca/lp/flights/ywg/lax/winnipeg-to-los-angeles) - [Flights from Los Angeles (LAX) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/lax/ont/los-angeles-to-ontario) - [Flights from Seattle (SEA) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/sea/ont/seattle-to-ontario) - [Flights from Minneapolis (MSP) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/msp/ont/minneapolis-to-ontario) - [Flights from Regina (YQR) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yqr/ont/regina-to-ontario) - [Flights from Calgary (YYC) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yyc/ont/calgary-to-ontario) - [Flights from Torrance (TOA) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/toa/ont/torrance-to-ontario) - [Flights from Orange County (SNA) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/sna/ont/orange-county-to-ontario) - [Flights from Hartford (BDL) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/bdl/ont/hartford-to-ontario) - [Flights from Manila (MNL) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/mnl/ont/manila-to-ontario) - [Flights from Orlando (MCO) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/mco/ont/orlando-to-ontario) - [Flights from New York (LGA) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/lga/ont/new-york-to-ontario) - [Flights from Ottawa (YOW) to Los Angeles (LAX)](https://www.expedia.ca/lp/flights/yow/lax/ottawa-to-los-angeles) - [Flights from Amsterdam (AMS) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ams/ont/amsterdam-to-ontario) - [Flights from Philadelphia (PHL) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/phl/ont/philadelphia-to-ontario) - [Flights from Brandon (YBR) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ybr/ont/brandon-to-ontario) - [Flights from Phoenix (PHX) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/phx/ont/phoenix-to-ontario) - [Flights from Louisville (SDF) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/sdf/ont/louisville-to-ontario) - [Flights from New York (JFK) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/jfk/ont/new-york-to-ontario) - [Flights from Madison (MSN) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/msn/ont/madison-to-ontario) - [Flights from St. Louis (STL) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/stl/ont/st-louis-to-ontario) - [Flights from Nanaimo (YCD) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ycd/ont/nanaimo-to-ontario) - [Flights from Atlanta (ATL) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/atl/ont/atlanta-to-ontario) - [Flights from Edmonton (YEG) to Los Angeles (LAX)](https://www.expedia.ca/lp/flights/yeg/lax/edmonton-to-los-angeles) - [Flights from Salt Lake City (SLC) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/slc/ont/salt-lake-city-to-ontario) - [Flights from Saskatoon (YXE) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yxe/ont/saskatoon-to-ontario) - [Flights from Buffalo (BUF) to Los Angeles (LAX)](https://www.expedia.ca/lp/flights/buf/lax/buffalo-to-los-angeles) - [Flights from Newark Liberty Intl. Airport (EWR) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/ewr/ont/newark-liberty-intl-airport-to-ontario) - [Flights from Charlotte (CLT) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/clt/ont/charlotte-to-ontario) - [Flights from Charlottetown Alexander B. Campbell Airport (YYG) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yyg/ont/charlottetown-to-ontario) - [Flights from Fredericton (YFC) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/yfc/ont/fredericton-to-ontario) - [Flights from Fresno (FAT) to Ontario Intl. Airport (ONT)](https://www.expedia.ca/lp/flights/fat/ont/fresno-to-ontario) \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/oak/ont/oakland-to-ontario-intl-airport en-TW: https://www.expedia.com.tw/en/lp/flights/oak/ont/oakland-to-ontario-intl-airport en-US: https://www.expedia.com/lp/flights/oak/ont/oakland-to-ontario-intl-airport es-MX: https://www.expedia.mx/lp/vuelos/oak/ont/oakland-a-aeropuerto-internacional-laontario zh-CN: https://www.expedia.com/cn/lp/flights/oak/ont/oakland-to-ontario-intl-airport en-CA: https://www.expedia.ca/lp/flights/oak/ont/oakland-to-ontario-intl-airport es: https://www.expedia.com/es/lp/vuelos/oak/ont/oakland-a-aeropuerto-internacional-laontario zh-hans-HK: https://www.expedia.com.hk/cn/lp/flights/oak/ont/oakland-to-ontario-intl-airport ja-JP: https://www.expedia.co.jp/lp/flights/oak/ont/oakland-to-ontario-intl-airport zh-TW: https://www.expedia.com.tw/lp/flights/oak/ont/oakland-to-ontario-intl-airport ar: https://www.expedia.sa/lp/flights/oak/ont/oakland-to-ontario-intl-airport id-ID: https://www.expedia.co.id/lp/flights/oak/ont/oakland-to-bandara-internasional-ontario fr-CA: https://www.expedia.ca/fr/lp/vols/oak/ont/oakland-a-ontario ko-KR: https://www.expedia.co.kr/lp/flights/oak/ont/oakland-to-ontario-intl-airport en-JP: https://www.expedia.co.jp/en/lp/flights/oak/ont/oakland-to-ontario-intl-airport en-IN: https://www.expedia.co.in/lp/flights/oak/ont/oakland-to-ontario-intl-airport en-TH: https://www.expedia.co.th/en/lp/flights/oak/ont/oakland-to-ontario-intl-airport ```