Denver to Seattle Flights (DEN-SEA) from $54

Selected fares from Denver to Seattle

The cheapest prices found with in the last 7 days for return flights were $76 and $54 for one-way flights to Seattle for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 11 - Tue, Sep 17

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$76 Roundtrip, found 4 days ago

$76

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Sep 11 from Denver Intl. to Seattle - Tacoma Intl., returning Tue, Sep 17, priced at $76 found 4 days ago

Tue, Jun 4 - Tue, Jun 11

DEN

Denver Intl.

SEA

Seattle - Tacoma Intl.

$138 Roundtrip, found 2 days ago

$138

Roundtrip

found 2 days ago

Select Bargain Flight flight, departing Tue, Jun 4 from Denver Intl. to Seattle - Tacoma Intl., returning Tue, Jun 11, priced at $138 found 2 days ago

Mon, Aug 26 - Tue, Aug 27

COS

Colorado Springs

SEA

Seattle - Tacoma Intl.

$188 Roundtrip, found 5 days ago

$188

Roundtrip

found 5 days ago

Select American Airlines flight, departing Mon, Aug 26 from Colorado Springs to Seattle - Tacoma Intl., returning Tue, Aug 27, priced at $188 found 5 days ago