Title: $28 Cheap Flights to Foster City, CA - Expedia.com ![Aerial view of residential real estate homes in Foster City, CA](https://images.trvl-media.com/place/9851/fa51e3a1-5e80-41cd-b3e6-4a95ee757b40.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/9851/fa51e3a1-5e80-41cd-b3e6-4a95ee757b40.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $28 Cheap Flights to Foster City, CA [View $28 flight on Mon, May 11, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:SAN,to:SFO,departure:5/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:27.98&airProductToken=AQowCi4IxnISBDMzODMYkmggsnEo89qMAzDe24wDOEVAAFgBagRQQ18xcgdLMjFOWFMyEgoIARABGAEqAkY5GAEiBAgBEAEoAigDMA0) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Foster City Travel Guide](https://expedia.com/Foster-City.dx9851)[Hotels in Foster City](https://expedia.com/Foster-City-Hotels.d9851.Travel-Guide-Hotels)[Things to do in Foster City](https://expedia.com/Things-To-Do-In-Foster-City.d9851.Travel-Guide-Activities)[Car Rentals in Foster City](https://expedia.com/Car-Rentals-In-Foster-City.d9851.Car-Rental-Guide)[Foster City Vacation Packages](https://expedia.com/Foster-City.d9851.Destination-Travel-Guides) ## Popular airlines to Foster City - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Foster City, California, United States of America,departure:3/1/2026TANYT&leg2=from:Foster City, California, United States of America,to:CMH,departure:3/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Foster City, California, United States of America,departure:3/1/2026TANYT&leg2=from:Foster City, California, United States of America,to:CMH,departure:3/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Foster City, California, United States of America,departure:3/1/2026TANYT&leg2=from:Foster City, California, United States of America,to:CMH,departure:3/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Foster City, California, United States of America,departure:3/1/2026TANYT&leg2=from:Foster City, California, United States of America,to:CMH,departure:3/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Foster City, California, United States of America,departure:3/1/2026TANYT&leg2=from:Foster City, California, United States of America,to:CMH,departure:3/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Foster City, California, United States of America,departure:3/1/2026TANYT&leg2=from:Foster City, California, United States of America,to:CMH,departure:3/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Foster City, California, United States of America,departure:3/1/2026TANYT&leg2=from:Foster City, California, United States of America,to:CMH,departure:3/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## How much is the cheapest flight to Foster City? Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Thu, May 7 - Fri, May 8 SAN San Diego SFO San Francisco $56 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SAN,to:SFO,departure:5/7/2026TANYT&leg2=from:SFO,to:SAN,departure:5/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:55.96&airProductToken=AQowCi4IxnISBDMzODMYkmggsnEo862MAzDerowDOEVAAFgBagRQQ18xcgdLMjFSWFMyCjAKLgjGchIENDMwNhiycSCSaCi_uYwDMKG6jAM4RUAAWAFqBFBDXzFyB0syMUlYUzISCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![Southwest Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/wn.gif) Sat, Mar 14 - Tue, Mar 17 LAX Los Angeles SFO San Francisco $74 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAX,to:SFO,departure:3/14/2026TANYT&leg2=from:SFO,to:LAX,departure:3/17/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:73.38&airProductToken=AQowCi4I15wBEgMzMDkYi7gBILJxKLXMhwMwj82HAzhWQABYAWoDV0dBcgdWSk5WSDJEEgoIARABGAEqAldOGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Mar 7 - Sat, Mar 14 LAX Los Angeles SFO San Francisco $81 Roundtrip found 2 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAX,to:SFO,departure:3/7/2026TANYT&leg2=from:SFO,to:LAX,departure:3/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:80.81&airProductToken=AQo5CjcI1YIBEgQyMDU2GIu4ASCycSjghYcDML-GhwM4TkAAWAFqCjFfYmFzaWNlY29yCEdBRjJBS0JTCjkKNwjVggESBDIxNzkYsnEgi7gBKM_UhwMwo9WHAzhOQABYAWoKMV9iYXNpY2Vjb3IIR0FGMkFLQlMSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, May 9 - Sat, May 16 LAX Los Angeles SFO San Francisco $91 Roundtrip found 7 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAX,to:SFO,departure:5/9/2026TANYT&leg2=from:SFO,to:LAX,departure:5/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:90.78&airProductToken=AQo0CjIIwYIBEgQ2NDMxGIu4ASCycSityIwDMIzJjAM4QkAAWAFqBUJBU0lDcghPVkFJSlNCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Jul 18 - Sat, Jul 25 LAX Los Angeles SFO San Francisco $97 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAX,to:SFO,departure:7/18/2026TANYT&leg2=from:SFO,to:LAX,departure:7/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:96.80&airProductToken=AQo4CjYIxJgBEgQxNDIxGIu4ASCycSjo1pIDML7XkgM4RUAAWAFqCU1BSU5CQVNJQ3IIVkFWU0gxQkMSDAgBEAEYASoCREwyABgBIgQIARABKAIoAygEMAE) ## Alternative airports near Foster City Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SFO,departure:3/1/2026TANYT&leg2=from:SFO,to:CMH,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SFO San Francisco Intl. Cheapest 13 min [Flights from $321 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SFO,departure:3/1/2026TANYT&leg2=from:SFO,to:CMH,departure:3/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SJC,departure:3/1/2026TANYT&leg2=from:SJC,to:CMH,departure:3/7/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SJC Norman Y. Mineta San Jose Intl. 29 min [Flights from $437 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:SJC,departure:3/1/2026TANYT&leg2=from:SJC,to:CMH,departure:3/7/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:OAK,departure:3/1/2026TANYT&leg2=from:OAK,to:CMH,departure:3/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) OAK Oakland Intl. 25 min [Flights from $414 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:OAK,departure:3/1/2026TANYT&leg2=from:OAK,to:CMH,departure:3/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Columbus (CMH) to San Francisco (SFO) ### February is typically the cheapest month to fly From $158 - $481 per traveler. ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Tips to find the cheapest flights to Foster City **The cheapest day to fly** Get started finding a cheap flight to Foster City on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you. **The cheapest month to fly** May is the cheapest month to fly to Foster City. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Foster City. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute. **The most affordable time to book a flight** Typically, a Sunday can be the cheapest time to book a flight to Foster City, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation. **The cheapest round-trip tickets to Foster City** The lowest price for round-trip flights to Foster City in 2026 starts from from $56, while one-way tickets start from from $28\. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Foster City. If you have a preferred departure time or airline, you can use the handy filters to customize your search. **The cheapest airlines flying to Foster City** Frontier Airlines, Alaska Airlines, United, American Airlines, Southwest Airlines, Delta are just some of the airlines that can typically offer cheap tickets to Foster City. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Foster City and countless more destinations worldwide. **The most affordable airports to fly into** To view the cheapest airports to fly into for Foster City, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Foster City. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia. **Save with a package** With Expedia's amazing [package deals](https://www.expedia.com/package-deals), you could save hundreds of dollars by booking your Foster City plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving. **Date flexibility for the cheapest flights to Foster City** If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Foster City. **Stopover savings** The cheapest tickets to Foster City are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Foster City. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved. **Get Expedia's Price Drop Protection** Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference\*. This gives you peace of mind that you're getting one of the cheapest flights to Foster City for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members. \*Terms apply. **Use our Price Tracking feature** Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Foster City. Simply download the free Expedia app to your smart device and activate Foster City flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices. **Book with Expedia** As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Foster City. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. ## Frequently asked questions ### What month is the cheapest to fly to Foster City? ### Which US cities have the cheapest flights to Foster City? > - San Bernardino (SBD) > - Burbank (BUR) > - San Diego (SAN) > - Prescott (PRC) > - Carlsbad (CLD, CNM) > > > with prices usually starting around $32. ### Which US cities fly direct to Foster City? > - New York (JFK) > - Los Angeles (LAX) > - Newark (EWR) > - San Diego (SAN) > - Seattle (SEA) > > > To Sacramento Intl. (SMF) > - Los Angeles (LAX) > - San Diego (SAN) > - Seattle (SEA) > - Las Vegas (LAS) > - Burbank (BUR) > > > To Norman Y. Mineta San Jose Intl. (SJC) > - Los Angeles (LAX) > - San Diego (SAN) > - Seattle (SEA) > - Orange County (SNA) > - Las Vegas (LAS) ### How to find a cheap flight to Foster City? ### Which airlines fly to Foster City? > - Alaska Airlines > - American Airlines > - Delta > - Delta Air Lines > - Frontier Airlines > - JetBlue Airways > - United > - United Airlines ### Where do you fly into Foster City? > - The closest major airport is San Francisco, CA (SFO-San Francisco Intl.), about 9 miles from the city center, which is a hub for United, Alaska Airlines, and American Airlines, with other airlines like Delta, Cathay Pacific also operating here. > - Sacramento, CA (SMF-Sacramento Intl.) is another option, about 91 miles away, serving as a hub for WN, United, and Alaska Airlines, with Delta, American Airlines also operating here. > - San Jose, CA (SJC-Norman Y. Mineta San Jose Intl.), about 27 miles away, serving as a hub for WN, Alaska Airlines, and Delta, with American Airlines, United also operating here. > - Oakland, CA (OAK-Oakland Intl.), about 11 miles away, serving as a hub for WN, Alaska Airlines, and Volaris, with Hawaiian Airlines, Delta also operating here. > - Monterey, CA (MRY-Monterey Peninsula), about 73 miles away, serving as a hub for United, American Airlines, and Alaska Airlines, with OO, MQ also operating here. ### What is the cheapest airport to fly to in Foster City? ### Which budget airlines fly to Foster City? > - Southwest Airlines: serves San Francisco (SFO), Oakland (OAK), San Jose (SJC), Sacramento (SMF) > - Frontier Airlines: serves San Francisco (SFO), Oakland (OAK), San Jose (SJC), Sacramento (SMF) > - JetBlue Airways: serves San Francisco (SFO), Sacramento (SMF) > - Volaris: serves Oakland (OAK), San Jose (SJC), Sacramento (SMF) > - Spirit Airlines: serves Oakland (OAK), San Jose (SJC), Sacramento (SMF) > - WestJet: serves San Francisco (SFO), Oakland (OAK), San Jose (SJC), Sacramento (SMF) > - Flair Airlines: flies to San Francisco (SFO) > - Sun Country Airlines: flies to San Francisco (SFO) > - Breeze: flies to San Francisco (SFO) ### What is the best month to visit Foster City? ### How far in advance should I book a flight to Foster City? ### What day of the week is cheapest day to buy a plane ticket to Foster City? ### What is the most expensive month to fly to Foster City? ### How far is the airport from central Foster City? > - San Francisco, CA (SFO-San Francisco Intl.): 12 miles south > - Oakland, CA (OAK-Oakland Intl.): 14 miles east > > > These options give you flexibility when planning your trip. ### How can I track flight prices to Foster City? ### How to get a cheap last-minute flight to Foster City? ### Can I earn miles booking a flight to Foster City with Expedia? ### Can I save money by booking a Foster City trip package? ### Can I change or cancel my flight to Foster City? \*Flight schedules are subject to change. __Flights to Foster City information__ | Destination airport | San Francisco Intl. | | ----------------------------- | ------------------- | | Destination airport IATA code | SFO | | Destination city name | San Francisco | | Roundtrip price | $56 | ## Trending flights to Foster City Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Tue, Mar 17 - Wed, Mar 25 LAX Los Angeles SFO San Francisco $56 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:LAX,to:SFO,departure:3/17/2026TANYT&leg2=from:SFO,to:LAX,departure:3/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:55.96&airProductToken=AQoxCi8IxnISBDI4NTcYi7gBILJxKJX1hwMw9vWHAzhFQABYAWoEUENfMXIHSzIxRVhTMgoxCi8IxnISBDI4NTgYsnEgi7gBKJ3PiAMw98-IAzhFQABYAWoEUENfMXIHSzIxWFhTMhIKCAEQARgBKgJGORgBIgQIARABKAIoAzAN) \*Available to One Key members.