$103 Cheap Alaska Airlines flights San Antonio (SAT) to San Francisco (SFO)

Finding cheap one-way Alaska Airlines flights from SAT to SFO from $103 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares from $269 for your next exciting adventure.**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.

February is one of the least expensive months to jet off to San Francisco with Alaska Airlines. You could also find great deals on one-way and return tickets in April.

For cheap Alaska Airlines fares from San Antonio Intl. Airport (SAT) to San Francisco Intl. Airport (SFO), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the cost. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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.

To figure out if there’s a direct journey from SAT to SFO with Alaska Airlines or other carriers, check the “Nonstop” filter when browsing for flights.

Browse Alaska Airlines’s earliest flights from SAT to SFO by using our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**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.

San Francisco Intl. Airport (SFO) is the primary San Francisco hub for Alaska Airlines flights from San Antonio Intl. Airport (SAT).

Alaska Airlines makes traveling from SAT to SFO enjoyable with a rewarding loyalty program and top-tier customer service. You could even start collecting points with Mileage Plan. Be sure to join Expedia’s 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.

You can usually cancel or modify your flight, although additional charges may apply if your booking was made more than 24 hours ago. Need flexible options? Make use of our “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you need to revise your plans. To modify your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for more details.