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, Aug 25 - Thu, Sep 4

STL

St. Louis

SEA

Seattle

$145 Roundtrip, found 4 hours ago

$145

Roundtrip

found 4 hours ago

Select Southwest Airlines flight, departing Mon, Aug 25 from St. Louis to Seattle, returning Thu, Sep 4, priced at $145 found 4 hours ago

Mon, Sep 15 - Sat, Sep 20

STL

St. Louis

SEA

Seattle

$147 Roundtrip, found 15 hours ago

$147

Roundtrip

found 15 hours ago

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

Sun, Aug 31 - Thu, Sep 4

STL

St. Louis

SEA

Seattle

$150 Roundtrip, just found

$150

Roundtrip

just found

Select United flight, departing Sun, Aug 31 from St. Louis to Seattle, returning Thu, Sep 4, priced at $150 just found

Thu, Nov 6 - Tue, Nov 11

STL

St. Louis

SEA

Seattle

$155 Roundtrip, just found

$155

Roundtrip

just found

Select American Airlines flight, departing Thu, Nov 6 from St. Louis to Seattle, returning Tue, Nov 11, priced at $155 just found

Sun, Aug 31 - Wed, Sep 10

STL

St. Louis

SEA

Seattle

$243 Roundtrip, found 4 hours ago

$243

Roundtrip

found 4 hours ago

Select Delta flight, departing Sun, Aug 31 from St. Louis to Seattle, returning Wed, Sep 10, priced at $243 found 4 hours ago

Sun, Aug 31 - Thu, Sep 4

STL

St. Louis

SEA

Seattle

$243 Roundtrip, just found

$243

Roundtrip

just found

Select Alaska Airlines flight, departing Sun, Aug 31 from St. Louis to Seattle, returning Thu, Sep 4, priced at $243 just found