$89 Cheap American Airlines flights St. Louis (STL) to Seattle (SEA)

$89 Cheap American Airlines flights St. Louis (STL) to Seattle (SEA)

Prices were available within the past 7 days and start at $89 for one-way flights and $409 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 15 - Mon, Jun 22

STL

St. Louis

SEA

Seattle

$409 Roundtrip, found 1 day ago

$409

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Jun 15 from St. Louis to Seattle, returning Mon, Jun 22, priced at $409 found 1 day ago

Mon, Jun 15 - Mon, Jun 22

STL

St. Louis

SEA

Seattle

$463 Roundtrip, found 1 day ago

$463

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Jun 15 from St. Louis to Seattle, returning Mon, Jun 22, priced at $463 found 1 day ago

Mon, Jun 15 - Mon, Jun 22

STL

St. Louis

SEA

Seattle

$523 Roundtrip, found 1 day ago

$523

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Jun 15 from St. Louis to Seattle, returning Mon, Jun 22, priced at $523 found 1 day ago

Mon, Jun 15 - Mon, Jun 22

STL

St. Louis

SEA

Seattle

$527 Roundtrip, found 1 day ago

$527

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Jun 15 from St. Louis to Seattle, returning Mon, Jun 22, priced at $527 found 1 day ago

Sat, Aug 9 - Sat, Aug 16

STL

St. Louis

SEA

Seattle

$528 Roundtrip, found 5 days ago

$528

Roundtrip

found 5 days ago

Select American Airlines flight, departing Sat, Aug 9 from St. Louis to Seattle, returning Sat, Aug 16, priced at $528 found 5 days ago

Mon, Jun 15 - Mon, Jun 22

STL

St. Louis

SEA

Seattle

$537 Roundtrip, found 1 day ago

$537

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Jun 15 from St. Louis to Seattle, returning Mon, Jun 22, priced at $537 found 1 day ago