Cheap flights from Denver to Southwest Washington

View AU$122 flight on Wed, 13 Aug. 2025Opens in a new window

Popular airlines from Denver to Southwest Washington

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Denver (DEN) to Southwest Washington (PDX)

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
Tue, 5 Aug. - Sat, 9 Aug.
DEN
Denver
PDX
Portland
AU$482 Return, found 2 days ago
AU$482
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 5 Aug. from Denver to Portland, returning Sat, 9 Aug., priced at AU$482 found 2 days ago
Alaska Airlines
Tue, 5 Aug. - Sat, 9 Aug.
DEN
Denver
PDX
Portland
AU$498 Return, found 2 days ago
AU$498
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 5 Aug. from Denver to Portland, returning Sat, 9 Aug., priced at AU$498 found 2 days ago
Alaska Airlines
Tue, 5 Aug. - Sat, 9 Aug.
DEN
Denver
PDX
Portland
AU$507 Return, found 2 days ago
AU$507
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 5 Aug. from Denver to Portland, returning Sat, 9 Aug., priced at AU$507 found 2 days ago
Delta
Tue, 5 Aug. - Sat, 9 Aug.
DEN
Denver
PDX
Portland
AU$522 Return, found 2 days ago
AU$522
Return
found 2 days ago
Select Delta flight, departing Tue, 5 Aug. from Denver to Portland, returning Sat, 9 Aug., priced at AU$522 found 2 days ago
United
Tue, 5 Aug. - Sat, 9 Aug.
DEN
Denver
PDX
Portland
AU$536 Return, found 2 days ago
AU$536
Return
found 2 days ago
Select United flight, departing Tue, 5 Aug. from Denver to Portland, returning Sat, 9 Aug., priced at AU$536 found 2 days ago
American Airlines
Tue, 5 Aug. - Sat, 9 Aug.
DEN
Denver
PDX
Portland
AU$536 Return, found 2 days ago
AU$536
Return
found 2 days ago
Select American Airlines flight, departing Tue, 5 Aug. from Denver to Portland, returning Sat, 9 Aug., priced at AU$536 found 2 days ago
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