$244 Cheap United flights St. Louis (STL) to Seattle (SEA)

$244 Cheap United flights St. Louis (STL) to Seattle (SEA)

Prices were available within the past 7 days and start at $244 for one-way flights and $329 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 1 - Sun, May 10

STL

St. Louis

SEA

Seattle

$329 Roundtrip, found 4 days ago

$329

Roundtrip

found 4 days ago

Select United flight, departing Fri, May 1 from St. Louis to Seattle, returning Sun, May 10, priced at $329 found 4 days ago

Fri, May 15 - Fri, May 22

STL

St. Louis

SEA

Seattle

$383 Roundtrip, found 1 day ago

$383

Roundtrip

found 1 day ago

Select United flight, departing Fri, May 15 from St. Louis to Seattle, returning Fri, May 22, priced at $383 found 1 day ago

Fri, May 15 - Fri, May 22

STL

St. Louis

SEA

Seattle

$398 Roundtrip, found 1 day ago

$398

Roundtrip

found 1 day ago

Select United flight, departing Fri, May 15 from St. Louis to Seattle, returning Fri, May 22, priced at $398 found 1 day ago

Fri, May 15 - Fri, May 22

STL

St. Louis

SEA

Seattle

$401 Roundtrip, found 1 day ago

$401

Roundtrip

found 1 day ago

Select United flight, departing Fri, May 15 from St. Louis to Seattle, returning Fri, May 22, priced at $401 found 1 day ago

Fri, May 15 - Fri, May 22

STL

St. Louis

SEA

Seattle

$407 Roundtrip, found 1 day ago

$407

Roundtrip

found 1 day ago

Select United flight, departing Fri, May 15 from St. Louis to Seattle, returning Fri, May 22, priced at $407 found 1 day ago

Fri, May 15 - Fri, May 22

STL

St. Louis

SEA

Seattle

$443 Roundtrip, found 1 day ago

$443

Roundtrip

found 1 day ago

Select United flight, departing Fri, May 15 from St. Louis to Seattle, returning Fri, May 22, priced at $443 found 1 day ago