Flights from St. Louis to Everett

Cheapest flights from St. Louis

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, May 20 - Sun, May 26

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$169 Roundtrip, found 8 hours ago

$169

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Mon, May 20 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sun, May 26, priced at $169 found 8 hours ago

Mon, May 20 - Mon, May 27

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$177 Roundtrip, found 8 hours ago

$177

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Mon, May 20 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Mon, May 27, priced at $177 found 8 hours ago

Fri, May 17 - Sun, May 26

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$179 Roundtrip, found 8 hours ago

$179

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, May 17 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sun, May 26, priced at $179 found 8 hours ago

Thu, Sep 12 - Sat, Sep 14

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$180 Roundtrip, found 3 days ago

$180

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Sep 12 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sat, Sep 14, priced at $180 found 3 days ago

Sun, Sep 8 - Sat, Sep 14

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$184 Roundtrip, found 3 days ago

$184

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Sep 8 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sat, Sep 14, priced at $184 found 3 days ago

Fri, May 17 - Thu, May 30

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$187 Roundtrip, found 8 hours ago

$187

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, May 17 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Thu, May 30, priced at $187 found 8 hours ago

Sun, Sep 8 - Sun, Sep 15

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$188 Roundtrip, found 3 days ago

$188

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Sep 8 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sun, Sep 15, priced at $188 found 3 days ago

Tue, Sep 10 - Sat, Sep 14

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$194 Roundtrip, found 3 days ago

$194

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Sep 10 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sat, Sep 14, priced at $194 found 3 days ago

Tue, Sep 10 - Sun, Sep 15

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$198 Roundtrip, found 3 days ago

$198

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Sep 10 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sun, Sep 15, priced at $198 found 3 days ago

Tue, May 21 - Tue, May 28

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$206 Roundtrip, found 8 hours ago

$206

Roundtrip

found 8 hours ago

Select Delta flight, departing Tue, May 21 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Tue, May 28, priced at $206 found 8 hours ago

Mon, May 20 - Mon, May 27

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$208 Roundtrip, found 8 hours ago

$208

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Mon, May 20 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Mon, May 27, priced at $208 found 8 hours ago

Sat, May 18 - Sun, May 26

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$209 Roundtrip, found 8 hours ago

$209

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sat, May 18 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sun, May 26, priced at $209 found 8 hours ago

Thu, May 23 - Sun, May 26

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$210 Roundtrip, found 8 hours ago

$210

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Thu, May 23 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sun, May 26, priced at $210 found 8 hours ago

Tue, May 21 - Fri, May 24

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$216 Roundtrip, found 8 hours ago

$216

Roundtrip

found 8 hours ago

Select Delta flight, departing Tue, May 21 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Fri, May 24, priced at $216 found 8 hours ago

Tue, May 21 - Tue, May 28

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$217 Roundtrip, found 8 hours ago

$217

Roundtrip

found 8 hours ago

Select Delta flight, departing Tue, May 21 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Tue, May 28, priced at $217 found 8 hours ago

Thu, May 23 - Thu, May 30

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$218 Roundtrip, found 8 hours ago

$218

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Thu, May 23 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Thu, May 30, priced at $218 found 8 hours ago

Wed, Jun 5 - Tue, Jun 11

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$236 Roundtrip, found 3 days ago

$236

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed, Jun 5 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Tue, Jun 11, priced at $236 found 3 days ago

Sat, Jun 8 - Wed, Jun 12

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$237 Roundtrip, found 2 days ago

$237

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Sat, Jun 8 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Wed, Jun 12, priced at $237 found 2 days ago

Tue, May 21 - Tue, May 28

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$264 Roundtrip, found 8 hours ago

$264

Roundtrip

found 8 hours ago

Select American Airlines flight, departing Tue, May 21 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Tue, May 28, priced at $264 found 8 hours ago

Thu, Apr 18 - Sun, Apr 21

STL

Lambert-St. Louis Intl.

SEA

Seattle - Tacoma Intl.

$314 Roundtrip, found 2 days ago

$314

Roundtrip

found 2 days ago

Select United flight, departing Thu, Apr 18 from Lambert-St. Louis Intl. to Seattle - Tacoma Intl., returning Sun, Apr 21, priced at $314 found 2 days ago