Flights to Westport from St. Louis - $70

Cheap Flights from St. Louis to Westport (STL-SEA)

Prices were available within the past 7 days and start at $70 for one-way flights and $145 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 22 - Wed, Sep 24

STL

St. Louis

SEA

Seattle

$145 Roundtrip, just found

$145

Roundtrip

just found

Select Southwest Airlines flight, departing Mon, Sep 22 from St. Louis to Seattle, returning Wed, Sep 24, priced at $145 just found

Mon, Sep 15 - Sat, Sep 20

STL

St. Louis

SEA

Seattle

$147 Roundtrip, found 18 hours ago

$147

Roundtrip

found 18 hours ago

Select Southwest Airlines flight, departing Mon, Sep 15 from St. Louis to Seattle, returning Sat, Sep 20, priced at $147 found 18 hours ago

Mon, Aug 25 - Wed, Aug 27

STL

St. Louis

SEA

Seattle

$150 Roundtrip, just found

$150

Roundtrip

just found

Select United flight, departing Mon, Aug 25 from St. Louis to Seattle, returning Wed, Aug 27, priced at $150 just found

Tue, Sep 23 - Tue, Oct 7

STL

St. Louis

SEA

Seattle

$159 Roundtrip, found 1 hour ago

$159

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Tue, Sep 23 from St. Louis to Seattle, returning Tue, Oct 7, priced at $159 found 1 hour ago

Sun, Aug 31 - Wed, Sep 10

STL

St. Louis

SEA

Seattle

$243 Roundtrip, found 7 hours ago

$243

Roundtrip

found 7 hours ago

Select Delta flight, departing Sun, Aug 31 from St. Louis to Seattle, returning Wed, Sep 10, priced at $243 found 7 hours ago

Sat, Aug 30 - Sun, Aug 31

STL

St. Louis

SEA

Seattle

$243 Roundtrip, found 2 hours ago

$243

Roundtrip

found 2 hours ago

Select Alaska Airlines flight, departing Sat, Aug 30 from St. Louis to Seattle, returning Sun, Aug 31, priced at $243 found 2 hours ago