Cheap flights from Denver to Portland

One-way fares from $114 · DEN → PDX · prices found by travellers in the last 48 hours

Compare all dates Portland → Denver
Cheapest fare
$114

Frontier Airlines · Thu, Dec 24

Cheapest month
December

from $114

Direct flights
Yes

Frontier Airlines

Flight time
3h 01m

1,580 km

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Cheapest month to fly from Denver to Portland

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $214
  2. December 2026 Cheapest $114

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart10:08 Thu, Dec 24DEN → PDX 3h 01m · Direct
$114one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Portland

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in PortlandCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in PortlandTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in PortlandPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in PortlandCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Denver to Portland

Denver (DEN) and Portland (PDX) are about 1,580 km apart. Direct flights take around 3h 01m, and recent direct fares were with Frontier Airlines. Over the next few months, one-way fares start from $114, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Denver to Portland?

The cheapest one-way fare we've seen recently is $114 with Frontier Airlines, departing Thursday, December 24, 2026. Over the coming months, the lowest fare in each month ranges from $114 to $214.

What is the cheapest month to fly from Denver to Portland?

December 2026 currently has the lowest fares, from $114 one way.

Are there direct flights from Denver to Portland?

Yes. Recent direct fares were with Frontier Airlines.

How long is the flight from Denver to Portland?

A direct flight takes about 3h 01m. Denver and Portland are around 1,580 km apart.

Which airlines fly from Denver to Portland?

Recent fares on this route were with Frontier Airlines.

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