$84 Cheap United flights St. Louis (STL) to Seattle (SEA)

$84 Cheap United flights St. Louis (STL) to Seattle (SEA)

Prices were available within the past 7 days and start at $84 for one-way flights and $422 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

$422 Roundtrip, found 4 days ago

$422

Roundtrip

found 4 days ago

Select United flight, departing Mon, Jun 15 from St. Louis to Seattle, returning Mon, Jun 22, priced at $422 found 4 days ago

Mon, Jun 15 - Mon, Jun 22

STL

St. Louis

SEA

Seattle

$484 Roundtrip, found 4 days ago

$484

Roundtrip

found 4 days ago

Select United flight, departing Mon, Jun 15 from St. Louis to Seattle, returning Mon, Jun 22, priced at $484 found 4 days ago

Mon, Jun 15 - Mon, Jun 22

STL

St. Louis

SEA

Seattle

$557 Roundtrip, found 4 days ago

$557

Roundtrip

found 4 days ago

Select United flight, departing Mon, Jun 15 from St. Louis to Seattle, returning Mon, Jun 22, priced at $557 found 4 days ago