Flights from Denver to Puget Sound

Cheapest flights from Denver

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.

Wed, May 28 - Tue, Jun 3

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$144 Roundtrip, found 2 days ago

$144

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Tue, Jun 3, priced at $144 found 2 days ago

Wed, May 28 - Sun, Jun 1

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$146 Roundtrip, found 1 day ago

$146

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 1, priced at $146 found 1 day ago

Mon, Jun 30 - Sat, Jul 5

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$148 Roundtrip, found 1 day ago

$148

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 30 from Denver Intl. to Seattle - Tacoma Intl., returning Sat, Jul 5, priced at $148 found 1 day ago

Tue, Jul 8 - Mon, Jul 14

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$168 Roundtrip, just found

$168

Roundtrip

just found

Select Frontier Airlines flight, departing Tue, Jul 8 from Denver Intl. to Seattle - Tacoma Intl., returning Mon, Jul 14, priced at $168 just found

Wed, May 28 - Sun, Jun 1

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$175 Roundtrip, found 1 day ago

$175

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 1, priced at $175 found 1 day ago

Wed, Jul 9 - Wed, Jul 16

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$177 Roundtrip, just found

$177

Roundtrip

just found

Select Alaska Airlines flight, departing Wed, Jul 9 from Denver Intl. to Seattle - Tacoma Intl., returning Wed, Jul 16, priced at $177 just found

Tue, Jul 8 - Tue, Jul 15

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$177 Roundtrip, just found

$177

Roundtrip

just found

Select Delta flight, departing Tue, Jul 8 from Denver Intl. to Seattle - Tacoma Intl., returning Tue, Jul 15, priced at $177 just found

Tue, Jul 8 - Sun, Jul 13

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$178 Roundtrip, just found

$178

Roundtrip

just found

Select Frontier Airlines flight, departing Tue, Jul 8 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jul 13, priced at $178 just found

Wed, May 28 - Sun, Jun 1

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$181 Roundtrip, found 1 day ago

$181

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 1, priced at $181 found 1 day ago

Sat, May 31 - Sat, May 31

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$181 Roundtrip, found 2 days ago

$181

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Sat, May 31 from Denver Intl. to Seattle - Tacoma Intl., returning Sat, May 31, priced at $181 found 2 days ago

Wed, May 28 - Sun, Jun 1

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$183 Roundtrip, found 1 day ago

$183

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 1, priced at $183 found 1 day ago

Sat, Jun 7 - Sun, Jun 8

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$185 Roundtrip, found 3 days ago

$185

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jun 7 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 8, priced at $185 found 3 days ago

Mon, Jul 7 - Mon, Jul 14

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$186 Roundtrip, just found

$186

Roundtrip

just found

Select Frontier Airlines flight, departing Mon, Jul 7 from Denver Intl. to Seattle - Tacoma Intl., returning Mon, Jul 14, priced at $186 just found

Fri, May 30 - Fri, May 30

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$187 Roundtrip, found 2 days ago

$187

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, May 30 from Denver Intl. to Seattle - Tacoma Intl., returning Fri, May 30, priced at $187 found 2 days ago

Wed, May 28 - Sun, Jun 1

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$192 Roundtrip, found 1 day ago

$192

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 1, priced at $192 found 1 day ago

Thu, Jul 10 - Wed, Jul 16

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$196 Roundtrip, just found

$196

Roundtrip

just found

Select Frontier Airlines flight, departing Thu, Jul 10 from Denver Intl. to Seattle - Tacoma Intl., returning Wed, Jul 16, priced at $196 just found

Thu, Jul 10 - Wed, Jul 16

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$197 Roundtrip, just found

$197

Roundtrip

just found

Select United flight, departing Thu, Jul 10 from Denver Intl. to Seattle - Tacoma Intl., returning Wed, Jul 16, priced at $197 just found

Fri, Jul 11 - Fri, Jul 18

DEN

Denver Intl.

PAE

Seattle Paine Field Intl. Airport

$204 Roundtrip, just found

$204

Roundtrip

just found

Select Frontier Airlines flight, departing Fri, Jul 11 from Denver Intl. to Seattle Paine Field Intl. Airport, returning Fri, Jul 18, priced at $204 just found

Sat, Aug 16 - Sat, Aug 23

COS

Colorado Springs

SEA

Seattle - Tacoma Intl.

$217 Roundtrip, found 5 hours ago

$217

Roundtrip

found 5 hours ago

Select United flight, departing Sat, Aug 16 from Colorado Springs to Seattle - Tacoma Intl., returning Sat, Aug 23, priced at $217 found 5 hours ago

Sat, Sep 20 - Sun, Sep 28

COS

Colorado Springs

SEA

Seattle - Tacoma Intl.

$277 Roundtrip, found 2 days ago

$277

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Sep 20 from Colorado Springs to Seattle - Tacoma Intl., returning Sun, Sep 28, priced at $277 found 2 days ago