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

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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 Airport to Portland Airport? If you want to travel next month, return fares start from $181. Find the lowest prices on one-way and return tickets right here.

Portland.$167 per passenger.Departing Fri, 25 Sep, returning Fri, 2 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Fri, 25 Sep, arriving in Portland.Inbound direct flight with Frontier Airlines departs from Portland on Fri, 2 Oct, arriving in Denver International.Price includes taxes and charges.From $167, select.

Portland.$181 per passenger.Departing Thu, 15 Oct, returning Tue, 20 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Thu, 15 Oct, arriving in Portland.Inbound direct flight with Frontier Airlines departs from Portland on Tue, 20 Oct, arriving in Denver International.Price includes taxes and charges.From $181, select.

Portland.$181 per passenger.Departing Thu, 29 Oct, returning Mon, 2 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Thu, 29 Oct, arriving in Portland.Inbound direct flight with Frontier Airlines departs from Portland on Mon, 2 Nov, arriving in Denver International.Price includes taxes and charges.From $181, select.

Portland.$181 per passenger.Departing Thu, 17 Sep, returning Mon, 21 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Thu, 17 Sep, arriving in Portland.Inbound direct flight with Frontier Airlines departs from Portland on Mon, 21 Sep, arriving in Denver International.Price includes taxes and charges.From $181, select.

Portland.$195 per passenger.Departing Thu, 12 Nov, returning Thu, 19 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Thu, 12 Nov, arriving in Portland.Inbound direct flight with Frontier Airlines departs from Portland on Thu, 19 Nov, arriving in Denver International.Price includes taxes and charges.From $195, select.

Portland.$252 per passenger.Departing Thu, 10 Dec, returning Tue, 15 Dec.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Thu, 10 Dec, arriving in Portland.Inbound direct flight with Frontier Airlines departs from Portland on Tue, 15 Dec, arriving in Denver International.Price includes taxes and charges.From $252, select.

Portland.$276 per passenger.Departing Sat, 29 Aug, returning Sat, 5 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 29 Aug, arriving in Portland.Inbound direct flight with Frontier Airlines departs from Portland on Sat, 5 Sep, arriving in Denver International.Price includes taxes and charges.From $276, select.

Portland.$290 per passenger.Departing Mon, 24 Aug, returning Mon, 31 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Mon, 24 Aug, arriving in Portland.Inbound direct flight with Frontier Airlines departs from Portland on Mon, 31 Aug, arriving in Denver International.Price includes taxes and charges.From $290, select.

Portland.$383 per passenger.Departing Thu, 26 Nov, returning Thu, 3 Dec.Return flight with United.Outbound direct flight with United departs from Denver International on Thu, 26 Nov, arriving in Portland.Inbound direct flight with United departs from Portland on Thu, 3 Dec, arriving in Denver International.Price includes taxes and charges.From $383, select.

Portland.$448 per passenger.Departing Fri, 14 May, returning Sun, 16 May.Return flight with United.Outbound direct flight with United departs from Denver International on Fri, 14 May, arriving in Portland.Inbound direct flight with United departs from Portland on Sun, 16 May, arriving in Denver International.Price includes taxes and charges.From $448, select.

Portland.$449 per passenger.Departing Thu, 22 Apr, returning Sat, 24 Apr.Return flight with United.Outbound direct flight with United departs from Denver International on Thu, 22 Apr, arriving in Portland.Inbound direct flight with United departs from Portland on Sat, 24 Apr, arriving in Denver International.Price includes taxes and charges.From $449, select.

Portland.$449 per passenger.Departing Fri, 19 Mar, returning Fri, 2 Apr.Return flight with United.Outbound direct flight with United departs from Denver International on Fri, 19 Mar, arriving in Portland.Inbound direct flight with United departs from Portland on Fri, 2 Apr, arriving in Denver International.Price includes taxes and charges.From $449, select.

Portland.$449 per passenger.Departing Mon, 1 Mar, returning Mon, 15 Mar.Return flight with United.Outbound direct flight with United departs from Denver International on Mon, 1 Mar, arriving in Portland.Inbound direct flight with United departs from Portland on Mon, 15 Mar, arriving in Denver International.Price includes taxes and charges.From $449, select.

Portland.$449 per passenger.Departing Thu, 25 Feb, returning Thu, 11 Mar.Return flight with United.Outbound direct flight with United departs from Denver International on Thu, 25 Feb, arriving in Portland.Inbound direct flight with United departs from Portland on Thu, 11 Mar, arriving in Denver International.Price includes taxes and charges.From $449, select.

Portland.$450 per passenger.Departing Fri, 25 Dec, returning Fri, 1 Jan.Return flight with United.Outbound direct flight with United departs from Denver International on Fri, 25 Dec, arriving in Portland.Inbound direct flight with United departs from Portland on Fri, 1 Jan, arriving in Denver International.Price includes taxes and charges.From $450, select.

Portland.$455 per passenger.Departing Mon, 18 Jan, returning Mon, 25 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Denver International on Mon, 18 Jan, arriving in Portland.Inbound indirect flight with Delta, departs from Portland on Mon, 25 Jan, arriving in Denver International.Price includes taxes and charges.From $455, select.

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 September.

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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.

Portland

10km from central Portland

ClosestCheapest

from $167

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Denver to Portland: Flight information

The things to know before you go.

Cheapest flight found	$167
Cheapest month to fly	September
Average flight time	2 hrs, 46 mins
Most popular airline	Southwest Airlines
Average flights per week	145

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

How much are return flights from Denver International to Portland?

The best price we found for a return flight from Denver International to Portland is $167. 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.

How long does it take to fly from Denver International to Portland?

2 hours and 46 minutes is the average flight time from Denver International to Portland.

Which airlines fly direct from Denver International to Portland?

Southwest Airlines, Alaska Airlines and United fly direct from Denver International to Portland.

How many flights are there a week from Denver International to Portland?

As of August 2026, there are 145 flights per week flying from Denver International to Portland.

When is the cheapest time to fly from Denver International to Portland?

The cheapest month to fly from Denver International to Portland is usually September.

Which upcoming date is cheapest to fly from Denver International Airport to Portland Airport on?

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 Friday, 25 September 2026.

Can I get a direct flight from Denver International Airport to Portland Airport?

Yes – the average flight time is 2 hours and 46 minutes.

How can I find the best flight deal to Portland?

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.

When is the best time to book flights to Portland?

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.

Which is the cheapest airline to fly from Denver International Airport to Portland with?

Currently, Frontier Airlines offers the cheapest flight tickets to Portland.

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

The average time for a direct flight from Denver International Airport to Portland Airport is 2 hours 45 minutes.
Portland is one hour behind Denver and follows the UTC-8 timezone.
Flights from DEN to PDX start at 06:00 — the earliest with United Airlines. The latest departure is at 22:52 with Frontier Airlines. In total, you can take your pick of 72 weekly Denver International Airport to Portland Airport flights.
Your DEN to PDX flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.
Travelling during a peak time like July? Major public holidays and other high seasons can lead to longer lines at airport checkpoints. Play it safe and arrive up to four hours before an international flight and two hours before a domestic departure.
With direct flights from Denver International Airport to Portland Airport available through various airlines, getting to Portland (and then other destinations in the United States) is a breeze. You can travel nonstop with these carriers:
The majority of passengers choose to travel with United on this route.
Frontier Airlines is the most punctual carrier offering DEN to PDX flights. An impressive 88.79% of its departures on this route arrive on time.
If you'd like to add a stop to your trip, just deselect 'Direct flights only' when searching for your ticket from Denver International Airport to Portland Airport. Here are the top stopovers between DEN and PDX:
- Seattle / Tacoma International Airport
- Salt Lake City Airport
- Sacramento International Airport

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

The cheapest price we've seen for a one-way Denver International Airport to Portland Airport flight is $83. A return fare right now is $167. Depending on the availability and when you book, these fares can change.
Don't leave things to the last moment. You're more likely to get cheap tickets from DEN to PDX if you book in advance. Airlines often have some amazing early bird rates.
The cheapest month for flights from Denver International Airport to Portland Airport is May. Use the 'Whole month' tool to find the lowest airfares if you have a flexible schedule.
Cut down on the time spent looking for cheap flights from DEN to PDX by creating a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.
Pick your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Denver International Airport to Portland Airport.

Handy information about Denver International Airport (DEN)

DEN is located at 8500 Pena Boulevard.
Denver International Airport scores top marks for its on-time performance. 80% of flights that take off from DEN land on time.
Central Denver to Denver International Airport is approximately 40 kilometres. Depending on traffic, it'll take about 35 minutes to get there if you're driving, ride-sharing or catching a taxi.
You can expect a trip time of about 35 minutes on public transport.
Get your flight from Denver International Airport to Portland Airport off to a relaxed start. Just a short ride from DEN, book a night at Baymont by Wyndham Denver International Airport and you'll be well-rested for the journey ahead.

Arriving at Portland Airport (PDX)

Consider staying in a hotel near PDX if you're on a late Denver International Airport to Portland Airport flight. Settle into one of these options and avoid the hassle of a long transfer:
Grab a Portland Airport rental car and explore Portland and beyond with your own set of wheels. Thrifty, Budget and Hertz are well-known companies to choose from here.
For the lowest price, book your vehicle from Portland Airport about one week before your trip.

Getting from Portland Airport (PDX) to central Portland

The street address for PDX is 7000 NE Airport Way.
Portland Airport is roughly 19 kilometres from the centre of Portland. The drive time takes about 20 minutes.
It takes around 40 minutes if you're using public transport.

When to fly to Portland Airport (PDX)

The quietest month for a flight from Denver International Airport to Portland Airport is March, while July is the most popular. Pick the best time to visit Portland based on whether you prefer a faster pace or a more relaxed vibe.
The warmest month in Portland is August, with temperatures ranging between 12ºC (54ºF) and 31ºC (88ºF). Book your flights from Denver International Airport to Portland Airport in this month if this is the kind of weather you like.
January has average temperatures of between -2ºC (28ºF) and 10ºC (50ºF). Search for cheap tickets from DEN to PDX sometime around then if you want to travel when it's cooler.

Explore more of the United States

Portland is always a good idea, but there are so many other corners of the United States you should also see. Around 241 kilometres north of Portland, a trip to Seattle will keep your itinerary busy. Start with popular sights like Space Needle, Pike Place Market and Seattle Skyline.
Around 467 kilometres north-east of Portland, Spokane is another favourite stop in the United States. Experience major highlights starting with Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.