Cheap flights from Portland to Central Colorado

View AU$121 flight on Thu, 22 Jan. 2026Opens in a new window

Popular airlines from Portland to Central Colorado

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Portland (PDX) 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.

Alaska Airlines
Mon, 18 Aug. - Wed, 20 Aug.
PDX
Portland
DEN
Denver
AU$240 Return, found 2 days ago
AU$240
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 18 Aug. from Portland to Denver, returning Wed, 20 Aug., priced at AU$240 found 2 days ago
Alaska Airlines
Mon, 18 Aug. - Wed, 20 Aug.
PDX
Portland
DEN
Denver
AU$255 Return, found 2 days ago
AU$255
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 18 Aug. from Portland to Denver, returning Wed, 20 Aug., priced at AU$255 found 2 days ago
Alaska Airlines
Tue, 19 Aug. - Tue, 26 Aug.
PDX
Portland
DEN
Denver
AU$256 Return, found 3 days ago
AU$256
Return
found 3 days ago
Select Alaska Airlines flight, departing Tue, 19 Aug. from Portland to Denver, returning Tue, 26 Aug., priced at AU$256 found 3 days ago
American Airlines
Tue, 19 Aug. - Tue, 26 Aug.
PDX
Portland
DEN
Denver
AU$271 Return, found 3 days ago
AU$271
Return
found 3 days ago
Select American Airlines flight, departing Tue, 19 Aug. from Portland to Denver, returning Tue, 26 Aug., priced at AU$271 found 3 days ago
Delta
Sun, 24 Aug. - Sun, 31 Aug.
PDX
Portland
DEN
Denver
AU$282 Return, found 4 days ago
AU$282
Return
found 4 days ago
Select Delta flight, departing Sun, 24 Aug. from Portland to Denver, returning Sun, 31 Aug., priced at AU$282 found 4 days ago
United
Mon, 18 Aug. - Wed, 20 Aug.
PDX
Portland
DEN
Denver
AU$295 Return, found 2 days ago
AU$295
Return
found 2 days ago
Select United flight, departing Mon, 18 Aug. from Portland to Denver, returning Wed, 20 Aug., priced at AU$295 found 2 days ago

Find the cheapest month to fly from Portland (PDX) to Denver (DEN)

February is typically the cheapest month to fly

From AU$73 - AU$424 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.