Cheap flights from Seattle to Central Colorado

View AU$119 flight on Wed, 12 Nov. 2025Opens in a new window

Popular airlines from Seattle to Central Colorado

  • Alaska Airlines

    Alaska Airlines

  • United

    United

  • Delta

    Delta

  • American Airlines

    American Airlines

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Cheap Flights from Seattle (SEA) to Central Colorado (DEN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 19 Sep. - Tue, 23 Sep.
SEA
Seattle
DEN
Denver
AU$254 Return, found 4 days ago
AU$254
Return
found 4 days ago
Select Delta flight, departing Fri, 19 Sep. from Seattle to Denver, returning Tue, 23 Sep., priced at AU$254 found 4 days ago
Delta
Fri, 19 Sep. - Tue, 23 Sep.
SEA
Seattle
DEN
Denver
AU$254 Return, found 4 days ago
AU$254
Return
found 4 days ago
Select Delta flight, departing Fri, 19 Sep. from Seattle to Denver, returning Tue, 23 Sep., priced at AU$254 found 4 days ago
Alaska Airlines
Fri, 19 Sep. - Tue, 23 Sep.
SEA
Seattle
DEN
Denver
AU$268 Return, found 4 days ago
AU$268
Return
found 4 days ago
Select Alaska Airlines flight, departing Fri, 19 Sep. from Seattle to Denver, returning Tue, 23 Sep., priced at AU$268 found 4 days ago
Alaska Airlines
Thu, 11 Dec. - Mon, 15 Dec.
SEA
Seattle
DEN
Denver
AU$282 Return, found 3 days ago
AU$282
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 11 Dec. from Seattle to Denver, returning Mon, 15 Dec., priced at AU$282 found 3 days ago
United
Thu, 11 Dec. - Mon, 15 Dec.
SEA
Seattle
DEN
Denver
AU$328 Return, found 3 days ago
AU$328
Return
found 3 days ago
Select United flight, departing Thu, 11 Dec. from Seattle to Denver, returning Mon, 15 Dec., priced at AU$328 found 3 days ago
American Airlines
Fri, 15 Aug. - Sun, 17 Aug.
SEA
Seattle
DEN
Denver
AU$647 Return, found 22 hours ago
AU$647
Return
found 22 hours ago
Select American Airlines flight, departing Fri, 15 Aug. from Seattle to Denver, returning Sun, 17 Aug., priced at AU$647 found 22 hours ago

Find the cheapest month to fly from Seattle (SEA) to Grand Junction (GJT)

September is typically the cheapest month to fly

From AU$337 - AU$1,145 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.