$264 Cheap Alaska Airlines flights Jacksonville (JAX) to San Diego (SAN)

You can find cheap round-trip Alaska Airlines flights from $521 from JAX to SAN by filtering your results from “Price (lowest to highest)” on Expedia. Or look for deals from $264 for a one-way journey.**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.

Search for round-trip or one-way flights to San Diego in January or November. You could find lower fares with Alaska Airlines during these off-peak travel months.

To find cheap Alaska Airlines fares from Jacksonville Intl. Airport (JAX) to San Diego Intl. Airport (SAN), start searching one to three months before your planned departure. Reserving 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 price you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking 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.

Click on our “Nonstop” filter when browsing for direct Alaska Airlines flights from JAX to SAN. It’s also a great way to compare other carriers offering the same nonstop trip.

Filter your results by “Early Morning” and “Morning” to see the earliest departures from JAX to SAN. 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.

Hop on an Alaska Airlines flight from Jacksonville Intl. Airport (JAX) to San Diego, and you’ll probably land at San Diego Intl. Airport (SAN). This is the airline’s main hub in this destination.

Heading from JAX to SAN with Alaska Airlines comes with plenty of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s on top of the Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of booking, but your airline may add a charge after that time. For further information about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to change your plans without additional costs, apply the “Changes included” or “No cancel fee” filter when planning your next getaway.