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 11 hours ago

$144

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Tue, Jun 3, priced at $144 found 11 hours ago

Wed, May 28 - Sun, Jun 1

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$146 Roundtrip, found 11 hours ago

$146

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 1, priced at $146 found 11 hours ago

Mon, Jul 21 - Tue, Jul 29

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$148 Roundtrip, found 17 hours ago

$148

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Mon, Jul 21 from Denver Intl. to Seattle - Tacoma Intl., returning Tue, Jul 29, priced at $148 found 17 hours ago

Mon, Jun 30 - Sat, Jul 19

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$168 Roundtrip, found 3 days ago

$168

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jun 30 from Denver Intl. to Seattle - Tacoma Intl., returning Sat, Jul 19, priced at $168 found 3 days ago

Wed, May 28 - Sun, Jun 1

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$175 Roundtrip, found 11 hours ago

$175

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 1, priced at $175 found 11 hours ago

Tue, May 27 - Sun, Jun 1

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$177 Roundtrip, found 11 hours ago

$177

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Tue, May 27 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 1, priced at $177 found 11 hours ago

Thu, Jul 3 - Sat, Jul 19

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$178 Roundtrip, found 3 days ago

$178

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jul 3 from Denver Intl. to Seattle - Tacoma Intl., returning Sat, Jul 19, priced at $178 found 3 days ago

Wed, May 28 - Sun, Jun 1

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$181 Roundtrip, found 11 hours ago

$181

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 1, priced at $181 found 11 hours ago

Sat, May 31 - Sat, May 31

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$181 Roundtrip, found 11 hours ago

$181

Roundtrip

found 11 hours ago

Select Hawaiian Airlines flight, departing Sat, May 31 from Denver Intl. to Seattle - Tacoma Intl., returning Sat, May 31, priced at $181 found 11 hours ago

Wed, May 28 - Sun, Jun 1

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$183 Roundtrip, found 11 hours ago

$183

Roundtrip

found 11 hours ago

Select Alaska Airlines flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 1, priced at $183 found 11 hours ago

Sat, Jun 7 - Sun, Jun 8

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$185 Roundtrip, found 1 day ago

$185

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 7 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 8, priced at $185 found 1 day ago

Mon, Jun 30 - Mon, Jul 14

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$186 Roundtrip, found 3 days ago

$186

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jun 30 from Denver Intl. to Seattle - Tacoma Intl., returning Mon, Jul 14, priced at $186 found 3 days ago

Fri, May 30 - Fri, May 30

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$187 Roundtrip, found 11 hours ago

$187

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Fri, May 30 from Denver Intl. to Seattle - Tacoma Intl., returning Fri, May 30, priced at $187 found 11 hours ago

Wed, May 28 - Sun, Jun 1

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$192 Roundtrip, found 11 hours ago

$192

Roundtrip

found 11 hours ago

Select Alaska Airlines flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 1, priced at $192 found 11 hours ago

Fri, Jul 4 - Fri, Jul 18

DEN

Denver Intl.

PAE

Seattle Paine Field Intl. Airport

$204 Roundtrip, found 3 days ago

$204

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Denver Intl. to Seattle Paine Field Intl. Airport, returning Fri, Jul 18, priced at $204 found 3 days ago

Fri, Jul 4 - Tue, Jul 15

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$206 Roundtrip, found 3 days ago

$206

Roundtrip

found 3 days ago

Select Delta flight, departing Fri, Jul 4 from Denver Intl. to Seattle - Tacoma Intl., returning Tue, Jul 15, priced at $206 found 3 days ago

Sun, Sep 7 - Fri, Sep 19

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$216 Roundtrip, found 5 days ago

$216

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Sun, Sep 7 from Denver Intl. to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $216 found 5 days ago

Wed, Sep 17 - Wed, Oct 1

COS

Colorado Springs

SEA

Seattle - Tacoma Intl.

$217 Roundtrip, found 20 hours ago

$217

Roundtrip

found 20 hours ago

Select Delta flight, departing Wed, Sep 17 from Colorado Springs to Seattle - Tacoma Intl., returning Wed, Oct 1, priced at $217 found 20 hours ago

Wed, May 28 - Sun, Jun 1

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$217 Roundtrip, found 11 hours ago

$217

Roundtrip

found 11 hours ago

Select United flight, departing Wed, May 28 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Jun 1, priced at $217 found 11 hours ago

Sat, Sep 20 - Sun, Sep 28

COS

Colorado Springs

SEA

Seattle - Tacoma Intl.

$277 Roundtrip, found 20 hours ago

$277

Roundtrip

found 20 hours ago

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