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

View AU$176 flight on Mon, 10 Aug 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Denver International Airport (DEN)

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

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
Fri, 29 May - Fri, 5 June
PDX
Portland
DEN
Denver
AU$351 Return, found 3 days ago
AU$351
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 29 May from Portland to Denver, returning Fri, 5 June, priced at AU$351 found 3 days ago
Delta
Fri, 29 May - Fri, 5 June
PDX
Portland
DEN
Denver
AU$365 Return, found 3 days ago
AU$365
Return
found 3 days ago
Select Delta flight, departing Fri, 29 May from Portland to Denver, returning Fri, 5 June, priced at AU$365 found 3 days ago
Alaska Airlines
Fri, 29 May - Fri, 5 June
PDX
Portland
DEN
Denver
AU$366 Return, found 3 days ago
AU$366
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 29 May from Portland to Denver, returning Fri, 5 June, priced at AU$366 found 3 days ago
Alaska Airlines
Sun, 26 July - Thu, 30 July
PDX
Portland
DEN
Denver
AU$372 Return, found 6 days ago
AU$372
Return
found 6 days ago
Select Alaska Airlines flight, departing Sun, 26 July from Portland to Denver, returning Thu, 30 July, priced at AU$372 found 6 days ago
Alaska Airlines
Fri, 29 May - Fri, 5 June
PDX
Portland
DEN
Denver
AU$380 Return, found 3 days ago
AU$380
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 29 May from Portland to Denver, returning Fri, 5 June, priced at AU$380 found 3 days ago
Delta
Sun, 26 July - Thu, 30 July
PDX
Portland
DEN
Denver
AU$388 Return, found 6 days ago
AU$388
Return
found 6 days ago
Select Delta flight, departing Sun, 26 July from Portland to Denver, returning Thu, 30 July, priced at AU$388 found 6 days ago
United
Fri, 29 May - Fri, 5 June
PDX
Portland
DEN
Denver
AU$394 Return, found 3 days ago
AU$394
Return
found 3 days ago
Select United flight, departing Fri, 29 May from Portland to Denver, returning Fri, 5 June, priced at AU$394 found 3 days ago
Alaska Airlines
Fri, 29 May - Fri, 5 June
PDX
Portland
DEN
Denver
AU$415 Return, found 3 days ago
AU$415
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 29 May from Portland to Denver, returning Fri, 5 June, priced at AU$415 found 3 days ago
Alaska Airlines
Fri, 29 May - Fri, 5 June
PDX
Portland
DEN
Denver
AU$422 Return, found 3 days ago
AU$422
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 29 May from Portland to Denver, returning Fri, 5 June, priced at AU$422 found 3 days ago
American Airlines
Fri, 29 May - Fri, 5 June
PDX
Portland
DEN
Denver
AU$570 Return, found 3 days ago
AU$570
Return
found 3 days ago
Select American Airlines flight, departing Fri, 29 May from Portland to Denver, returning Fri, 5 June, priced at AU$570 found 3 days ago

Frequently asked questions

How much is a flight from Portland Intl. Airport (PDX) to DIA airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight from PDX Airport to DEN was AU$351. Fares this cheap don't stick around for long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Intl. Airport (PDX) to DIA airport?
The majority of flights can be cancelled online, but each airline has a different set of terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Portland Intl. Airport (PDX) to DEN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Portland Intl. Airport (PDX) to DEN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Portland Airport to Denver Airport?
The flight distance from Portland Airport to Denver Intl. Airport (DEN) is 1 600 kilometres. Bring along a drink, some snacks and a laptop filled with movies. Keep yourself busy in the air and the hours will zip by.
Which airlines fly direct from PDX Airport to Denver Airport?
With so many great airlines to take your pick of, you should be able to find your perfect flight from PDX to Denver Intl. Airport (DEN) in just a few clicks. Below is a list of the most popular carriers that fly directly between these airports:

  • United Airlines - (UA) with 152 monthly flights
  • Southwest Airlines - (WN) with 117 monthly flights
  • Frontier Airlines - (F9) with 30 monthly flights
  • Alaska Airlines - (AS) with 17 monthly flights

Are PDX Airport to Denver Intl. Airport (DEN) flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Portland Intl. Airport (PDX) to Denver Airport can be hit-or-miss. You might be lucky and score a bargain, but you could also miss out entirely! If you'd prefer to start planning your trip early on, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines list their prices that far in advance. Our suggestion? Check back often as updates are made frequently.

Travel information

Origin airport
Portland Intl.
Destination airport
Denver Intl.
Return price
AU$350
Distance
1582 km
Average flight time
3 hours 33 mins

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