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Cheap flights from Portland (PDX) to Denver (DEN)

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How to find the cheapest flight from Portland (PDX) to Denver (DEN)

How to find the cheapest flight from Portland (PDX) to Denver (DEN)
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How to find the cheapest flight from Portland (PDX) to Denver (DEN)
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How to find the cheapest flight from Portland (PDX) to Denver (DEN)
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Cheap flights from Portland to Denver in August , September 2026

31 Aug - 10 Sep $ 246.00
PDX
Portland
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PDX
Portland
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24 Aug - 05 Sep $ 268.00
PDX
Portland
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PDX
Portland
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17 Aug - 10 Sep $ 462.00
PDX
Portland
Alaska Airlines
DIRECT
DEN
Denver
DEN
Denver
Alaska Airlines
DIRECT
PDX
Portland
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Last minute flights from Portland to Denver

30 Aug - 31 Aug $ 314.00
PDX
Portland
Frontier Airlines
DIRECT
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PDX
Portland
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24 Aug - 31 Aug $ 336.00
PDX
Portland
Frontier Airlines
1 STOPS
DEN
Denver
DEN
Denver
Frontier Airlines
DIRECT
PDX
Portland
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26 Aug - 31 Aug $ 538.00
PDX
Portland
United Airlines
DIRECT
DEN
Denver
DEN
Denver
United Airlines
DIRECT
PDX
Portland
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One-way flights to Denver from Portland

12:20 PM - 12:20 PM
Frontier Airlines
0 Stops
2h 43m
PDX - DEN
$ 157
Kiwi
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5:56 PM - 9:09 PM
Frontier Airlines
1 Stops
5h 48m
PDX - DEN
$ 179
Kiwi
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7:07 PM - 7:07 PM
United Airlines
0 Stops
2h 34m
PDX - DEN
$ 264
Kiwi
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How to find the cheapest flight from Portland (PDX) to Denver (DEN)

Related info for your journey
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How to find the cheapest flight from Portland (PDX) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Portland (PDX) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.