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.

Tue, Jul 8 - Tue, Jul 15

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$128 Roundtrip, found 6 days ago

$128

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Denver Intl. to Seattle - Tacoma Intl., returning Tue, Jul 15, priced at $128 found 6 days ago

Tue, Jul 8 - Wed, Jul 16

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$138 Roundtrip, found 6 days ago

$138

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Denver Intl. to Seattle - Tacoma Intl., returning Wed, Jul 16, priced at $138 found 6 days ago

Fri, Jul 11 - Tue, Jul 15

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$148 Roundtrip, found 6 days ago

$148

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Jul 11 from Denver Intl. to Seattle - Tacoma Intl., returning Tue, Jul 15, priced at $148 found 6 days ago

Fri, Aug 22 - Mon, Sep 1

DEN

Denver Intl.

PAE

Seattle Paine Field Intl. Airport

$148 Roundtrip, found 4 days ago

$148

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Aug 22 from Denver Intl. to Seattle Paine Field Intl. Airport, returning Mon, Sep 1, priced at $148 found 4 days ago

Wed, Sep 3 - Sat, Sep 13

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$157 Roundtrip, found 5 days ago

$157

Roundtrip

found 5 days ago

Select Hawaiian Airlines flight, departing Wed, Sep 3 from Denver Intl. to Seattle - Tacoma Intl., returning Sat, Sep 13, priced at $157 found 5 days ago

Sat, Aug 23 - Sat, Aug 30

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$157 Roundtrip, found 4 days ago

$157

Roundtrip

found 4 days ago

Select United flight, departing Sat, Aug 23 from Denver Intl. to Seattle - Tacoma Intl., returning Sat, Aug 30, priced at $157 found 4 days ago

Wed, Aug 20 - Wed, Sep 3

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$157 Roundtrip, found 4 days ago

$157

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Aug 20 from Denver Intl. to Seattle - Tacoma Intl., returning Wed, Sep 3, priced at $157 found 4 days ago

Sat, Jun 14 - Wed, Jun 18

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$158 Roundtrip, found 6 days ago

$158

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jun 14 from Denver Intl. to Seattle - Tacoma Intl., returning Wed, Jun 18, priced at $158 found 6 days ago

Thu, Jul 10 - Tue, Jul 15

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$159 Roundtrip, found 6 days ago

$159

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Denver Intl. to Seattle - Tacoma Intl., returning Tue, Jul 15, priced at $159 found 6 days ago

Fri, Jun 13 - Fri, Jun 27

DEN

Denver Intl.

PAE

Seattle Paine Field Intl. Airport

$168 Roundtrip, found 4 days ago

$168

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Denver Intl. to Seattle Paine Field Intl. Airport, returning Fri, Jun 27, priced at $168 found 4 days ago

Thu, Jul 10 - Wed, Jul 16

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$169 Roundtrip, found 6 days ago

$169

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Denver Intl. to Seattle - Tacoma Intl., returning Wed, Jul 16, priced at $169 found 6 days ago

Sat, Aug 23 - Sun, Aug 31

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$171 Roundtrip, found 4 days ago

$171

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Sat, Aug 23 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Aug 31, priced at $171 found 4 days ago

Sat, Aug 23 - Sat, Aug 30

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$172 Roundtrip, found 4 days ago

$172

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sat, Aug 23 from Denver Intl. to Seattle - Tacoma Intl., returning Sat, Aug 30, priced at $172 found 4 days ago

Wed, Jul 9 - Tue, Jul 15

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$173 Roundtrip, found 6 days ago

$173

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Denver Intl. to Seattle - Tacoma Intl., returning Tue, Jul 15, priced at $173 found 6 days ago

Thu, Sep 4 - Sat, Sep 13

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$177 Roundtrip, found 5 days ago

$177

Roundtrip

found 5 days ago

Select Hawaiian Airlines flight, departing Thu, Sep 4 from Denver Intl. to Seattle - Tacoma Intl., returning Sat, Sep 13, priced at $177 found 5 days ago

Fri, Jun 13 - Wed, Jun 18

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$178 Roundtrip, found 6 days ago

$178

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Denver Intl. to Seattle - Tacoma Intl., returning Wed, Jun 18, priced at $178 found 6 days ago

Thu, Jul 10 - Sat, Jul 12

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$179 Roundtrip, found 6 days ago

$179

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Denver Intl. to Seattle - Tacoma Intl., returning Sat, Jul 12, priced at $179 found 6 days ago

Sat, Aug 23 - Sat, Aug 30

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$187 Roundtrip, found 4 days ago

$187

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sat, Aug 23 from Denver Intl. to Seattle - Tacoma Intl., returning Sat, Aug 30, priced at $187 found 4 days ago

Sat, Aug 23 - Sun, Aug 31

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$197 Roundtrip, found 4 days ago

$197

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Sat, Aug 23 from Denver Intl. to Seattle - Tacoma Intl., returning Sun, Aug 31, priced at $197 found 4 days ago

Sat, Jul 12 - Tue, Jul 15

COS

Colorado Springs

SEA

Seattle - Tacoma Intl.

$217 Roundtrip, found 4 hours ago

$217

Roundtrip

found 4 hours ago

Select Delta flight, departing Sat, Jul 12 from Colorado Springs to Seattle - Tacoma Intl., returning Tue, Jul 15, priced at $217 found 4 hours ago