$80 Cheap American Airlines flights San Francisco (SFO) to Seattle (SEA)

Finding cheap one-way American Airlines flights from SFO to SEA from $80 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly return fares from $150 for your next exciting getaway.**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.

American Airlines flights to Seattle tend to be cheaper in the low-season months of January and February. Whether you’re in search of a one-way or round-trip ticket, you could find a better deal then.

Begin your search one to three months ahead of your travel date to score cheaper fares on American Airlines flights from San Francisco Intl. Airport (SFO) to Seattle - Tacoma Intl. Airport (SEA). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic flights.*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.

Enter your dates, hit search and use the “Nonstop” filter on Expedia to browse any direct flights from SFO to SEA with American Airlines or another carrier.

Sort your results by “Early Morning” and “Morning” to find the earliest flights from SFO to SEA. Setting off early 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.

Seattle - Tacoma Intl. Airport (SEA) is the main Seattle hub for American Airlines flights from San Francisco Intl. Airport (SFO).

Depending on your ticket type, a fee generally applies if you modify or cancel your booking more than 24 hours after it’s confirmed. To find tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when you search for flights. To learn more about canceling or changing your reservation, visit “Trips,” select your flight and tick “Manage Booking.”