Cheap Flights from Denver International to Portland

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Flight deals from Denver International to Portland

Looking for a cheap last-minute deal or the best return flight from Denver International to Portland? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to Portland

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

Direct flights from Denver International to Portland

Denver International to Portland: Alternative routes

Compare routes from Denver International 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 foundR 458
Cheapest month to flyMarch
Average flight time2 hrs, 47 mins
Most popular airlineSouthwest Airlines
Average flights per week145

Finding cheap flights from Denver International to Portland: Frequently asked questions

The best price we found for a return flight from Denver International to Portland is R 920. 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 47 minutes is the average flight time from Denver International to Portland.
Southwest Airlines, Hawaiian Airlines and Alaska Airlines fly direct from Denver International to Portland.
As of January 2026, there are 130 flights per week flying from Denver International to Portland.
The cheapest month to fly from Denver International to Portland is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Portland Airport on Sunday, 8 March 2026.
Yes – the average flight time is 2 hours and 47 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.
Currently, Frontier Airlines offers the cheapest flight tickets to Portland.

Flying from Denver International Airport (DEN) to Portland International Airport (PDX): what you need to know

  • The average time for a direct flight from Denver International Airport to Portland International Airport is 2 hours 45 minutes.

  • The timezone in Portland is UTC-7, which is one hour behind Denver.

  • Flights from DEN to PDX start at 05:01 — the earliest with Frontier Airlines. The latest departure is at 22:55 with Southwest Airlines. In total, you can take your pick of 103 weekly Denver International Airport to Portland International Airport flights.

  • To ensure you catch your DEN to PDX flight, leave enough time for things like check-in and baggage drop. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • During popular months like July, you'll want to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead for an international flight when you travel during a peak period in general.

  • With direct flights from Denver International Airport to Portland International Airport available from numerous airlines, getting to Portland (and then other corners of United States) is easy. You can travel nonstop with these carriers:

  • Alaska Airlines is the airline with the highest passenger demand for this route.

  • Frontier Airlines tops the rankings as the most punctual carrier for DEN to PDX flights, with 88.89% of its services reaching their destination on schedule.

  • Think about adding a stopover when booking your ticket from Denver International Airport to Portland International Airport. Simply uncheck 'Direct flights only' to break up your trip, or even explore someplace new along the way. Check out these options between DEN and PDX:

    • Salt Lake City International Airport

    • Seattle-Tacoma International Airport

    • Sacramento International Airport

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

  • Currently, R 458 is the lowest price we've seen for a one-way Denver International Airport to Portland International Airport flight. The best price for a return ticket is R 920. Bear in mind that fares could change due to demand when booking.

  • Get cheap tickets from DEN to PDX by booking six months ahead. According to our research, that's the sweet spot for landing a bargain.

  • Organise your trip for May. That's the cheapest month for flights from Denver International Airport to Portland International Airport. If you have flexibility with your dates, try out the 'Whole month' tool to find the lowest price across each month.

  • Save time searching for cheap flights from DEN to PDX by creating a Price Alert. You'll receive an email or notification on the app when a new low fare is offered.

  • Tailor your trip with filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Denver International Airport to Portland International Airport.

Handy information about Denver International Airport (DEN)

  • The address for DEN is 8500 Pena Boulevard.

  • Denver International Airport has an excellent on-time performance, so you're less likely to experience disruptions. Departures from DEN land at their destination as scheduled 80.23% of the time.

  • To reach Denver International Airport from central Denver, it takes about 35 minutes by car. Of course, this depends on traffic conditions. It's approximately 40 kilometres from the airport to the city centre.

  • Catching public transport? You can expect a journey time of around 1 hour 30 minutes.

  • Want a hotel to stay in before your flight from Denver International Airport to Portland International Airport? Check out Baymont by Wyndham Denver International Airport. Enjoy a good night's rest here before making your way to DEN.

Arriving at Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • The street address for PDX is 7000 NE Airport Way.

  • Portland International Airport is roughly 19 kilometres from central Portland. Driving there takes about 20 minutes.

  • If you're taking public transport, expect a journey of roughly 45 minutes.

When to fly to Portland International Airport (PDX)

  • The quietest month for a flight from Denver International Airport to Portland International Airport is May, while July is the busiest. Pick the best time to visit Portland based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Portland is August, with temperatures ranging between 12ºC (54ºF) and 31ºC (88ºF). Lock in your flights from Denver International Airport to Portland International Airport in this month if this is the type of weather you like.

  • December sees average temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from DEN to PDX around that time if you want to travel when it's cooler.

Explore more of United States

  • Portland has plenty going for it, but there are so many other parts of United States waiting to be explored. About 241 kilometres north of Portland, a visit to Seattle will keep your itinerary packed. Start with attractions like Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab.

  • If you're interested in discovering another major destination in United States, consider Spokane, about 467 kilometres north-east of Portland. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are the start of reasons to visit.

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