Cheapest one-way flights from Portland to Denver in April from $27

AirHint found the following cheapest one-way flights from Portland (PDX) to Denver (DEN) in April 2026 (see full year).

One-Way flights

16 Apr Frontier Airlines direct
14 Apr Frontier Airlines direct
21 Apr Frontier Airlines direct
28 Apr Frontier Airlines direct
20 Apr Frontier Airlines direct
26 Apr Frontier Airlines direct
23 Apr Frontier Airlines direct
27 Apr United direct
24 Apr United direct
06 Apr Frontier Airlines direct

Also check the deals for return flights from Portland to Denver in April.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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