$166 Cheap American Airlines flights Appleton (ATW) to Seattle (SEA)

Finding cheap one-way American Airlines flights from ATW to SEA from $166 on Expedia is simple — just filter by “Price (lowest to highest).” Or check out our affordable return fares from $306 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.

Browse for return or one-way flights to Seattle in January or February. You could find a cheap fare with American Airlines during these off-peak times.

Begin your search one to three months ahead of your departure date to score cheap fares on American Airlines flights from Appleton Intl. Airport (ATW) to Seattle - Tacoma Intl. Airport (SEA). You can save 25% by booking your domestic flight 34 to 86 days in advance versus 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 trips.*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, click search and use the “Nonstop” filter on Expedia to find any direct flights from ATW to SEA with American Airlines or another carrier.

To find the earliest departure from ATW to SEA with American Airlines, sort your results by “Early Morning” and “Morning.” Choosing an early flight generally 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.

American Airlines flights from Appleton Intl. Airport (ATW) to Seattle come in to land at Seattle - Tacoma Intl. Airport (SEA). This is the main gateway here.

Depending on your fare type, a fee generally applies if you change or cancel your flight more than 24 hours after it has been confirmed. To find flexible fares, select our “No cancel fee” or “Changes included” filter when you look for flights. For more details on canceling or modifying your reservation, head to “Trips,” select your flight and tick “Manage Booking.”