Cheap Alaska Airlines flights San Francisco (SFO) to San Diego (SAN)

You can find budget-friendly return Alaska Airlines flights from $77 from SFO to SAN by filtering your results from “Price (lowest to highest)” on Expedia. Or look for options for a one-way trip.**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.

Alaska Airlines flights to San Diego are usually cheaper in the quieter months of January and November. Whether you’re after a one-way or round-trip ticket, you could land a better deal then.

Look for affordable Alaska Airlines flights from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN) one to three months before your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

You can easily fly from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN) on any of Alaska Airlines’s 48 weekly direct flights. Apply Expedia’s “Nonstop” and “Airline” filters to find the Alaska Airlines flight that’ll take you to SAN at your preferred time.

The travel time for a direct Alaska Airlines flight from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN) takes around 1h 34m.

Alaska Airlines operates the most flights from San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN) on Saturday. With up to 8 daily departures, you’ll get the most flexibility and choice on this day.

Setting off from SFO at 6:00AM UTC-8, the earliest Alaska Airlines flight to SAN arrives at 7:36AM UTC-8. Flying early means you’re less likely to encounter delays.* Prefer to travel later? The last Alaska Airlines flight from SFO to SAN departs at 9:55PM UTC-8 and touches down at 11:30PM UTC-8.*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.

Take an Alaska Airlines flight from San Francisco Intl. Airport (SFO) to San Diego, and you’ll most likely touch down at San Diego Intl. Airport (SAN). This is the airline’s main hub in this destination.

With a rewarding loyalty program and top-tier customer service, Alaska Airlines is a favorite for many passengers flying from SFO to SAN. What’s more, if you’re a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the San Francisco Intl. Airport (SFO) to San Diego Intl. Airport (SAN) route, Alaska Airlines typically operates Embraer 175 and Boeing 737 MAX 9 planes. Keep in mind that last-minute changes are possible for operational demands, meaning your flight could be on another aircraft.

Changes are usually free within 24 hours of making a booking, but your airline may charge you after that. For further details about modifying your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your itinerary without extra charges, apply the “Changes included” and “No cancel fee” filters when organizing your trip.