Cheap Alaska Airlines flights San Francisco (SFO) to San Jose (SJC)

Set the "Price (lowest to highest)" filter on Expedia to look for cheap Alaska Airlines return flights from SFO to SJC. Affordable one-way fares are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Begin your search one to three months before your departure to get cheaper fares on Alaska Airlines flights from San Francisco Intl. Airport (SFO) to Norman Y. Mineta San Jose Intl. Airport (SJC). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Sort your results by "Morning" and "Early Morning" to find the earliest flights from SFO to SJC. Jetting off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Alaska Airlines makes traveling from SFO to SJC more comfortable with top-tier customer service and a rewarding loyalty program. You could even start earning points with Mileage Plan. Don't forget to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.