$220 Cheap American Airlines flights St. Louis (STL) to Seattle (SEA)

$220 Cheap American Airlines flights St. Louis (STL) to Seattle (SEA)

Prices were available within the past 7 days and start at $220 for one-way flights and $359 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 15 - Fri, May 22

STL

St. Louis

SEA

Seattle

$359 Roundtrip, found 1 day ago

$359

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, May 15 from St. Louis to Seattle, returning Fri, May 22, priced at $359 found 1 day ago

Fri, May 15 - Fri, May 22

STL

St. Louis

SEA

Seattle

$399 Roundtrip, found 1 day ago

$399

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, May 15 from St. Louis to Seattle, returning Fri, May 22, priced at $399 found 1 day ago

Fri, May 15 - Fri, May 22

STL

St. Louis

SEA

Seattle

$419 Roundtrip, found 1 day ago

$419

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, May 15 from St. Louis to Seattle, returning Fri, May 22, priced at $419 found 1 day ago

Fri, May 15 - Fri, May 22

STL

St. Louis

SEA

Seattle

$433 Roundtrip, found 1 day ago

$433

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, May 15 from St. Louis to Seattle, returning Fri, May 22, priced at $433 found 1 day ago