Cheapest return flights from Portland to Denver in February from $136

AirHint found the following cheapest return flights from Portland (PDX) to Denver (DEN) in February 2026 (see full year).

Return flights

25 Feb - 28 Feb Alaska Airlines direct
24 Feb - 28 Feb Alaska Airlines direct
26 Feb - 10 Mar Alaska Airlines direct
22 Feb - 26 Feb United direct
21 Feb - 22 Feb Hawaiian Airlines direct
06 Feb - 09 Feb Frontier Airlines
18 Feb - 23 Feb United direct
16 Feb - 23 Feb United direct
02 Feb - 05 Feb Frontier Airlines
06 Feb - 08 Feb Frontier Airlines
09 Feb - 12 Feb Frontier Airlines

Also check the deals for one-way flights from Portland to Denver in February.

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