247 € Cheap Flights from Portland to Denver International

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Flight deals from Portland to Denver International

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

Find the cheapest month to fly from Portland to Denver International

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

Direct flights from Portland to Denver International

Portland to Denver International: Alternative routes

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

Portland to Denver: Flight information

The things to know before you go.
Cheapest flight found247 €
Cheapest month to flySeptember
Average flight time4 hrs, 44 mins
Most popular airlineUnited
Average flights per week9

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

The best price we found for a return flight from Portland to Denver International is 247 €. 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.
4 hours and 44 minutes is the average flight time from Portland to Denver International.
United flies direct from Portland to Denver International.
As of July 2025, there are 9 flights per week flying from Portland to Denver International.
The cheapest month to fly from Portland to Denver International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Denver International Airport on Thursday, 25 September 2025.
Yes – the average flight time is 4 hours and 44 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 Denver International 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 Denver is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines offers the cheapest flight tickets to Denver International.

Travelling from Portland International Jetport Airport (PWM) to Denver International Airport (DEN): what you need to know

  • The average length of a direct flight from Portland International Jetport Airport to Denver International Airport is 4 hours 35 minutes.

  • The timezone in Denver is UTC-6, which is two hours behind Portland.

  • Flights from PWM to DEN start at 15:20 — the earliest with United Airlines. The last service of the day is at 15:45 with United Airlines. Overall, there are three weekly Portland International Jetport Airport to Denver International Airport flights.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your PWM to DEN flight.

  • During popular months such as August, you'll want to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead for international flights whenever you're travelling during peak periods in general.

  • Flying into Denver (and then seeing more of United States!) is a breeze with United Airlines. This popular carrier has direct flights from Portland International Jetport Airport to Denver International Airport.

  • The airline with the highest passenger demand on this route is United Airlines.

  • Think about adding a stopover when booking your ticket from Portland International Jetport Airport to Denver International Airport. Just uncheck 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Here are some options between PWM and DEN:

    • Baltimore/Wash International Thurgood Marshall Airport

    • Detroit Metropolitan Wayne County Airport

    • Chicago Midway International Airport

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

  • Right now, 123 € is the lowest price we've found for a one-way Portland International Jetport Airport to Denver International Airport flight. The best price for a return ticket is 247 €. Bear in mind that fares can change due to demand when booking.

  • Book nine months before your departure date. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from PWM to DEN.

  • Plan your trip for August. That's the cheapest month for flights from Portland International Jetport Airport to Denver International Airport. If you're flexible on when you fly, use the 'Whole month' tool to see the cheapest price across every month.

  • Cut down on the time spent looking for cheap flights from PWM to DEN by setting up a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Find the perfect flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Portland International Jetport Airport to Denver International Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about Portland International Jetport Airport (PWM)

  • PWM's address is 1001 Westbrook Street.

  • Portland International Jetport Airport maintains a solid on-time performance, so flight disruptions are less likely. Departures from PWM make it to their destination as scheduled 82.15% of the time.

  • Central Portland to Portland International Jetport Airport is approximately 8 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Planning to take public transport? Expect a journey time of around 40 minutes.

  • Get your trip off to a leisurely start by staying near PWM. Whether you're boarding an early flight from Portland International Jetport Airport to Denver International Airport or just don't want to be rushed, these stays are the answer:

Arriving at Denver International Airport (DEN)

  • Once your Portland International Jetport Airport to Denver International Airport flight has touched down, unwind and relax at a nearby hotel. Baymont by Wyndham Denver International Airport is a good option within easy reach of DEN.

  • Pick up a Denver International Airport rental car and explore Denver and beyond with your own set of wheels. Routes Car Rentals, Dollar and Budget are leading providers to choose from here.

  • For the best deal, reserve your ride from Denver International Airport around one week before your trip.

Getting from Denver International Airport (DEN) to central Denver

  • The address for DEN is 8500 Pena Boulevard.

  • Denver International Airport is roughly 40 kilometres from central Denver. The drive time takes around 35 minutes.

  • Travelling to the centre by public transport takes roughly 1 hour 30 minutes.

When to fly to Denver International Airport (DEN)

  • July is the most popular month for flights from Portland International Jetport Airport to Denver International Airport. To skip the crowds, head to Denver in April.

  • The warmest month in Denver is July, with the temperature ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your flights from Portland International Jetport Airport to Denver International Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from PWM to DEN in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -9ºC (16ºF) and 7ºC (45ºF) on average.

Explore more of United States

  • Denver is easy to fall in love with, but there are so many other corners of United States waiting to be discovered. About 105 kilometres south of Denver, a trip to Colorado Springs will fill your itinerary to the brim. Check out popular attractions like US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • Aurora is another must-experience destination in United States and is around 13 kilometres east of Denver. No journey is complete without experiencing Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.

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