Cheap Flights from Denver to Portland

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Flight deals from Denver to Portland Airport

Looking for a cheap last-minute deal or the best return flight from Denver to Portland Airport? If you want to travel next month, return fares start from ج.م.‏ 3,793. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver to Portland flights are currently cheapest in April.

Direct flights from Denver to Portland

Denver to Portland: Alternative routes

Compare routes from Denver to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

Denver to Portland: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 2,210
Cheapest month to flyApril
Average flight time2 hrs, 45 mins
Most popular airlineSouthwest Airlines
Average flights per week152

Finding cheap flights from Denver to Portland: Frequently asked questions

The best price we found for a return flight from Denver to Portland is ج.م.‏ 3,793. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 45 minutes is the average flight time from Denver to Portland.
Southwest Airlines, United and Alaska Airlines fly direct from Denver to Portland.
As of March 2026, there are 152 flights per week flying from Denver to Portland.
The cheapest month to fly from Denver to Portland is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Portland Airport on Tuesday, 14 April 2026.
Yes – the average flight time is 2 hours and 45 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portland but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Portland is Frontier Airlines .

Travelling from Denver to Portland International Airport (PDX): What you need to know

  • Your journey comes together at Denver's main airport, Denver International Airport (DEN). Explore the options for booking a flight from Denver to Portland International Airport (PDX) leaving from this base.

  • The average length of a direct Denver to Portland International Airport flight is 2 hours 50 minutes.

  • Portland is one hour behind Denver. Portland International Airport is located in Portland, which operates on the UTC-8 timezone.

  • The busiest route is from Denver International Airport (DEN) to Portland International Airport (PDX), with 68 direct weekly services. If you'd rather get moving right away, the earliest flight from DEN to PDX is the 6am United Airlines service. If you're looking to take off later, the last departure is at 10:52pm with Frontier Airlines.

  • Arrive at the airport on time so you don't miss your flight from Denver to PDX. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • With more people on the move during busy periods like October, be at your terminal even earlier. Two hours for domestic flights and up to four for international journeys will help you stay ahead of the crowds. Remember things also get busy during major holidays like Thanksgiving.

Airports in Denver

Denver International Airport (DEN)

  • You can take a direct flight from Denver to Portland International Airport (PDX) departing from Denver International Airport (DEN).

  • At DEN, there's a variety of airlines that offer direct flights from Denver to Portland International Airport, including:

  • Most passengers prefer to fly with United between DEN and PDX.

  • Among carriers on this route, Frontier Airlines has the best record for on-time arrivals.

  • Travelling from central Denver to DEN takes around 35 minutes by public transport. If you ride-share, drive or grab a taxi, you'll cover the 40 kilometres in 35 minutes or so, depending on traffic conditions.

  • Get your flight from Denver to Portland International Airport off to a leisurely start. Just a quick drive from Denver International Airport, stay at Baymont by Wyndham Denver International Airport and you'll be well-rested for the trip ahead.

  • Denver International Airport has a strong on-time record, so you're less likely to experience disruptions. Departures from DEN land at their destination as scheduled 80% of the time.

  • You'll find DEN at 8500 Pena Boulevard.

About Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • Portland International Airport is roughly 10 kilometres from central Portland. How long it takes to get to the centre in a car hire or taxi will depend on the time of day. Do some research before your trip.

  • It takes roughly 40 minutes to get there using public transport.

How to find the cheapest flights from Denver to Portland International Airport (PDX)

  • ج.م.‏ 2,210 is currently the best price for a one-way ticket from Denver to Portland International Airport. Return flights start from ج.م.‏ 3,764. These fares may change depending on availability and demand.

  • Don't leave everything to the last moment. You're more likely to walk away with cheap flights from Denver to PDX if you book ahead. Airlines often have some great early bird discounts.

  • If you're flexible with your travel dates, try using the 'Whole month' search tool. It'll give you the lowest price in every month when searching for your Denver to Portland International Airport ticket.

  • Locking in a cheap plane ticket from Denver to PDX couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Filters make it easier to find a bargain for your flight from Denver to Portland International Airport. Pick the departure times, carriers and stops that match your plans. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

The best time to fly from Denver to Portland International Airport (PDX)

  • May is the busiest month for flights from Denver to Portland International Airport (PDX). Visit Portland in January if you prefer a quieter experience.

  • The warmest month in Portland is August, with temperatures ranging between 12ºC and 31ºC. Book your Denver to PDX plane ticket then if that's your definition of good weather.

  • If you like travelling in cooler conditions, search for a cheap ticket from Denver to Portland International Airport in December when temperatures are between 0ºC and 9ºC.

More about Portland

  • Start your Portland trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Denver to Portland International Airport, browse our range of hotels including:

  • Portland Japanese Garden and Great Northwest are just two of the leading attractions to add to your Portland itinerary. Continue your sightseeing adventures at Peninsula Park Rose Garden.

Explore more of the United States

  • You've done Portland, now it's time to explore other parts of the United States. Journey about 225 kilometres north to Seattle to check off its leading attractions. From Space Needle to Pike Place Market and Seattle Skyline, there's plenty to keep you on the go.

  • Around 193 kilometres north of Portland, Tacoma is another favourite stop in the United States. Start your sightseeing at LeMay - America's Car Museum, Chihuly Bridge of Glass and Point Defiance Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.