$89 Cheap Alaska Airlines flights Seattle (SEA) to San Diego (SAN)

You can discover budget-friendly return Alaska Airlines flights from SEA to SAN by filtering your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $89 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.

January is one of the most affordable months to travel to San Diego with Alaska Airlines. You could also find great prices on return and one-way fares in November.

Look for cheap Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN) one to three months prior to 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 type and itinerary, the best day of the week 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 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.

Yes, you can travel from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN) on one of Alaska Airlines’s 49 direct weekly flights. Make use of our “Nonstop” and “Airline” filters to find the Alaska Airlines flight that’ll take you to SAN at a time that suits you.

Depart Seattle - Tacoma Intl. Airport (SEA) for San Diego Intl. Airport (SAN) on a direct Alaska Airlines flight, and you’ll be in the sky for around 2h 45m.

If it’s flexibility you’re after, Sunday offers the most choice for Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN). Take your pick of 7 different departures.

The first Alaska Airlines flight from SEA to SAN departs at 7:00AM UTC-8, arriving at 9:48AM UTC-8. If you prefer to set off later, the last Alaska Airlines flight leaves SEA at 9:16PM UTC-8 and lands at SAN at 11:59PM UTC-8. Flying before midday is generally a good idea as morning flights are 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.

Board an Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to San Diego, and you’ll probably land at San Diego Intl. Airport (SAN). This is the airline’s main hub in this destination.

With top-tier customer service and a rewarding loyalty program, Alaska Airlines is a popular option for many travelers flying from SEA 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 go toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll likely be seated on a Boeing 737-900 or a Boeing 737 MAX 9 when flying Alaska Airlines from Seattle - Tacoma Intl. Airport (SEA) to San Diego Intl. Airport (SAN). However, keep in mind that a different plane may be assigned due to operational factors.

Changes are typically free within 24 hours of booking, but your airline may charge you after that. For further information about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to make changes without being charged, check the “Changes included” and “No cancel fee” filters when organizing your next escape.