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

Landing cheap one-way Alaska Airlines flights from SAT to SEA on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares for your next 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.

January is one of the cheapest months to jet off to Seattle with Alaska Airlines. You could also find fantastic deals on one-way and round-trip tickets in February.

You can easily fly from San Antonio Intl. Airport (SAT) to Seattle - Tacoma Intl. Airport (SEA) on one of Alaska Airlines's 5 direct weekly flights. Apply our "Nonstop" and "Airline" filters to find the Alaska Airlines flight that'll land at SEA at your preferred time.

It takes approximately 4h 37m to travel nonstop from San Antonio Intl. Airport (SAT) to Seattle - Tacoma Intl. Airport (SEA) with Alaska Airlines.

Alaska Airlines flights from San Antonio Intl. Airport (SAT) to Seattle arrive at Seattle - Tacoma Intl. Airport (SEA). This is the main gateway to this city.

Alaska Airlines generally flies Boeing 737 MAX 9 planes for flights from San Antonio Intl. Airport (SAT) to Seattle - Tacoma Intl. Airport (SEA). This carrier also operates the Boeing 737-800 on this route. Keep in mind that aircraft type can change depending on operational reasons, so the plane you catch might be different when you travel.

Depending on the ticket type you purchased, a fee may apply if you cancel or change your booking more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our "Changes included" or "No cancel fee" filter while searching for flights. For more information on canceling or modifying your reservation, visit "Trips," select your flight and click on "Manage Booking."