Cheap Alaska Airlines flights Los Angeles (LAX) to San Diego (SAN)

Landing cheap one-way Alaska Airlines flights from LAX to SAN on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $126 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.

Alaska Airlines flights to San Diego are generally more affordable in the off-peak months of January and November. Whether you’re in search of a return or one-way ticket, you could find a better deal then.

Look for affordable Alaska Airlines flights from Los Angeles Intl. Airport (LAX) to San Diego Intl. Airport (SAN) one to three months before your departure date. 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. Regardless of fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive tends to be 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.

To figure out if there’s a direct route from LAX to SAN with Alaska Airlines or other airlines, check the “Nonstop” box when searching for tickets.

To find the earliest departures from LAX to SAN with Alaska Airlines, filter your search by “Morning” and “Early Morning.” Booking an early flight usually means you’re less likely to experience cancellations.**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 flights from Los Angeles Intl. Airport (LAX) to San Diego come in to land at San Diego Intl. Airport (SAN). This is the main gateway to this city.

Alaska Airlines makes flying from LAX to SAN more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You could even start earning points with Mileage Plan. Remember to sign up to 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.

Depending on the type of fare you purchased, a fee will generally apply if you change or cancel your booking more than 24 hours after it’s confirmed. To find flexible fares, select our “Changes included” and “No cancel fee” boxes when looking for flights. For more details on modifying or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”