$109 Cheap Alaska Airlines flights Seattle (SEA) to Denver (DEN)

$109 Cheap Alaska Airlines flights Seattle (SEA) to Denver (DEN)

Prices were available within the past 7 days and start at $109 for one-way flights and $355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Dec 14 - Sat, Dec 20

SEA

Seattle

DEN

Denver

$355 Roundtrip, found 1 day ago

$355

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sun, Dec 14 from Seattle to Denver, returning Sat, Dec 20, priced at $355 found 1 day ago

Sun, Dec 14 - Sat, Dec 20

SEA

Seattle

DEN

Denver

$365 Roundtrip, found 1 day ago

$365

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sun, Dec 14 from Seattle to Denver, returning Sat, Dec 20, priced at $365 found 1 day ago

Wed, Dec 17 - Fri, Dec 19

SEA

Seattle

DEN

Denver

$367 Roundtrip, found 1 day ago

$367

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Wed, Dec 17 from Seattle to Denver, returning Fri, Dec 19, priced at $367 found 1 day ago