Cheap Alaska Airlines flights San Antonio (SAT) to Seattle (SEA)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap Alaska Airlines round-trip flights from SAT to SEA. Affordable one-way tickets are available too.**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 Seattle in January or February. You could find cheaper fares with Alaska Airlines during these off-peak months.

Search for affordable Alaska Airlines flights from San Antonio Intl. Airport (SAT) to Seattle - Tacoma Intl. Airport (SEA) one to three months before your departure. 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 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 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.

Yes, you can fly from San Antonio Intl. Airport (SAT) to Seattle - Tacoma Intl. Airport (SEA) on one of Alaska Airlines’s 5 direct weekly flights. Use Expedia’s “Nonstop” and “Airline” filters to find the Alaska Airlines flight that’ll arrive at SEA at a time that suits you.

Depart San Antonio Intl. Airport (SAT) for Seattle - Tacoma Intl. Airport (SEA) on a direct Alaska Airlines flight, and you’ll be airborne for around 4h 37m.

Leaving SAT at 3:03PM UTC-6, the first Alaska Airlines flight to SEA lands at 5:40PM UTC-8. Traveling early means you’re less likely to experience delays.* Don’t like early starts? The last Alaska Airlines flight from SAT to SEA departs at 3:03PM UTC-6 and touches down at 5:40PM 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.

Seattle - Tacoma Intl. Airport (SEA) is the primary Seattle gateway for Alaska Airlines flights from San Antonio Intl. Airport (SAT).

Flying from SAT to SEA with Alaska Airlines means enjoying a range of perks, including a rewarding loyalty program and top-tier customer service. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to spend 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.

For the San Antonio Intl. Airport (SAT) to Seattle - Tacoma Intl. Airport (SEA) route, Alaska Airlines typically operates Boeing 737 MAX 9 and Boeing 737-800 planes. Don’t forget that last-minute changes can occur for operational reasons, so your flight could be on another aircraft.

Typically, you can cancel or modify your flight, although there may be additional fees if your booking was made more than 24 hours ago. Need to keep your options open? Use Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you have to adjust your plans. To update your booking, visit “Trips,” select your flight and click on “Manage Booking” for more details.