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Cheap Flights from Portland to Denver International

Compare Portland to Denver International flight deals

Find the cheapest month or even day of the year to fly 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 Airport to Denver International Airport? If you want to travel next month, return fares start from Rs93,651. Find the lowest prices on one-way and return tickets right here.
Denver.Rs43,303 per passenger.Departing Fri, 21 Aug.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Fri, 21 Aug, arriving in Denver International.Price includes taxes and charges.From Rs43,303, select.
Denver.Rs48,002 per passenger.Departing Fri, 11 Sep.One-way flight with Breeze Airways.Outbound indirect flight with Breeze Airways, departs from Portland on Fri, 11 Sep, arriving in Denver International.Price includes taxes and charges.From Rs48,002, select.
Denver.Rs48,679 per passenger.Departing Fri, 30 Oct.One-way flight with United.Outbound indirect flight with United, departs from Portland on Fri, 30 Oct, arriving in Denver International.Price includes taxes and charges.From Rs48,679, select.
Denver.Rs50,364 per passenger.Departing Mon, 4 Jan.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Mon, 4 Jan, arriving in Denver International.Price includes taxes and charges.From Rs50,364, select.
Denver.Rs50,367 per passenger.Departing Fri, 20 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Fri, 20 Nov, arriving in Denver International.Price includes taxes and charges.From Rs50,367, select.
Denver.Rs51,853 per passenger.Departing Thu, 31 Dec.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Thu, 31 Dec, arriving in Denver International.Price includes taxes and charges.From Rs51,853, select.
Denver.Rs84,785 per passenger.Departing Sat, 24 Oct.One-way flight with United.Outbound direct flight with United departs from Portland on Sat, 24 Oct, arriving in Denver International.Price includes taxes and charges.From Rs84,785, select.
Denver.Rs84,785 per passenger.Departing Mon, 2 Nov.One-way flight with United.Outbound direct flight with United departs from Portland on Mon, 2 Nov, arriving in Denver International.Price includes taxes and charges.From Rs84,785, select.
Denver.Rs85,683 per passenger.Departing Tue, 8 Sep.One-way flight with United.Outbound direct flight with United departs from Portland on Tue, 8 Sep, arriving in Denver International.Price includes taxes and charges.From Rs85,683, select.
Denver.Rs86,603 per passenger.Departing Sat, 29 Aug.One-way flight with United.Outbound direct flight with United departs from Portland on Sat, 29 Aug, arriving in Denver International.Price includes taxes and charges.From Rs86,603, select.
Denver.Rs96,707 per passenger.Departing Fri, 31 Jul.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Fri, 31 Jul, arriving in Denver International.Price includes taxes and charges.From Rs96,707, select.
Denver.Rs172,190 per passenger.Departing Fri, 31 Jul.One-way flight with United.Outbound direct flight with United departs from Portland on Fri, 31 Jul, arriving in Denver International.Price includes taxes and charges.From Rs172,190, select.

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 August.
Jul
from Rs96,707
Aug
from Rs43,303
Sep
from Rs48,002
Oct
from Rs48,679
Nov
from Rs50,367
Dec
from Rs51,853
Jan
from Rs50,364
Feb
Find prices
Mar
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Apr
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May
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Jun
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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.

Denver International

30km from central Denver
ClosestCheapest
from Rs43,303
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Portland to Denver: Flight information

The things to know before you go.
Cheapest flight foundRs43,303
Cheapest month to flyAugust
Average flight time4 hrs, 40 mins
Most popular airlineUnited
Average flights per week8

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 Rs87,054. 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 40 minutes is the average flight time from Portland to Denver International.
United flies direct from Portland to Denver International.
As of July 2026, there are 8 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, 17 September 2026.
Yes – the average flight time is 4 hours and 40 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, Sun Country Airlines and United offer the cheapest flight tickets to Denver International.

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

  • The average duration of a direct flight from Portland Airport to Denver International Airport is 4 hours 40 minutes.

  • The timezone in Denver is UTC-7, which is two hours behind Portland.

  • Take your pick of four weekly Portland Airport to Denver International Airport flights. The 15:26 departure with United Airlines is the earliest available. United Airlines operates the last service of the day at 15:35.

  • Your PWM to DEN flight won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • If you're travelling during a major holiday or other peak periods, give yourself extra time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

  • United is your gateway to exploring Denver (and maybe even some other great corners of the United States!). Check out the direct flights from Portland Airport to Denver International Airport offered by this carrier.

  • The majority of travellers choose to fly with United on this route.

  • United tops the rankings as the most punctual carrier for PWM to DEN flights, with 82.98% of its services landing on schedule.

  • If you'd like to break up your flight, just uncheck 'Direct flights only' when searching for your ticket from Portland Airport to Denver International Airport. Here are the top stopovers between PWM and DEN:

    • Detroit Wayne County Airport

    • Baltimore Washington International Airport

    • Chicago Midway Airport

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

  • Rs43,303 is the best price for a one-way Portland Airport to Denver International Airport flight. A return flight starts from Rs87,054. These prices may change based on demand.

  • Score cheap tickets from PWM to DEN by booking at least three months ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • The cheapest month for flights from Portland Airport to Denver International Airport is August. Use the 'Whole month' tool to see the lowest prices if you have flexible dates.

  • Spend less time searching for cheap flights from PWM to DEN 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. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Portland Airport to Denver International Airport.

Handy information about Portland Airport (PWM)

  • PWM is located at 1001 Westbrook Street.

  • 79% of flights that leave from Portland Airport land at their destination on time.

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

  • Planning to catch public transport? Expect a journey time of around 30 minutes.

  • Searching for a handy hotel close to PWM? If you're catching an early flight from Portland Airport to Denver International Airport, these stays will have you moments from your check-in counter:

Arriving at Denver International Airport (DEN)

  • Get off your Portland Airport to Denver International Airport flight and be snoozing in your hotel bed shortly after. If you're searching for a handy option within easy reach of DEN, head for Baymont by Wyndham Denver International Airport.

  • Travel at your own pace with a Denver International Airport rental car. Book your wheels from Routes Car Rentals, Dollar or Budget and see more of Denver and beyond.

  • To lock in the lowest price, reserve your ride from Denver International Airport about one week before you set off.

When to fly to Denver International Airport (DEN)

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

  • When reserving your flight from Portland Airport to Denver International Airport, consider the kind of weather you enjoy. July is the warmest month in Denver, with temperatures ranging from 14ºC to 32ºC.

  • January has average temperatures of between -9ºC and 7ºC. Search for cheap tickets from PWM to DEN sometime around then if you'd rather travel in cooler conditions.

Explore more of the United States

  • You've done Denver, now it's time to discover other corners of the United States. Travel about 105 kilometres south to Colorado Springs to check off its popular sights. From Garden of the Gods to Pikes Peak Region Attractions and Red Rock Canyon, there's plenty to keep you on the go.

  • Around 13 kilometres east of Denver, Aurora is another essential stop in the United States. Experience major highlights starting with Plains Conservation Centre, DeLaney Homestead Historic District and Aircraft viewing.

Plan the rest of your trip from Portland to Denver

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.