American Airlines flights to Seattle from San Francisco

You'll discover affordable round-trip American Airlines flights S$301 from SFO to SEA by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains from S$173 for a one-way trip.*

*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 are usually cheaper in the low-season months of January and February. Whether you're searching for a round-trip or one-way ticket, you could score a better deal then.

To see if there's a direct journey from SFO to SEA with American Airlines or any other carriers, use our "Nonstop" filter when looking for flights.

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

In most cases, you can cancel or change your flight, although additional charges may apply if your booking was made more than 24 hours ago. Need flexible options? Make use of our "No cancel fee" or "Changes included" filter to find flights that won't penalize you if you have to adjust your plans. To modify your itinerary, go to "Trips," select your flight and click on "Manage Booking" for more information.