$79 Cheap Flights from Denver (DEN) to Portland (PDX)

View $79 flight on Tue, Aug 12, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Portland International Airport (PDX)

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Cheap Flights from Denver to Portland (DEN-PDX)

Prices were available within the past 7 days and start at $79 for one-way flights and $119 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Oct 11 - Sat, Oct 18
DEN
Denver
PDX
Portland
$119 Roundtrip, found 3 hours ago
$119
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Oct 11 from Denver to Portland, returning Sat, Oct 18, priced at $119 found 3 hours ago
Frontier Airlines
Wed, Aug 6 - Tue, Aug 12
DEN
Denver
PDX
Portland
$129 Roundtrip, just found
$129
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Aug 6 from Denver to Portland, returning Tue, Aug 12, priced at $129 just found
Frontier Airlines
Fri, Jul 18 - Thu, Aug 14
DEN
Denver
PDX
Portland
$132 Roundtrip, found 5 days ago
$132
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Jul 18 from Denver to Portland, returning Thu, Aug 14, priced at $132 found 5 days ago
Frontier Airlines
Wed, Aug 13 - Mon, Aug 18
DEN
Denver
PDX
Portland
$134 Roundtrip, just found
$134
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Aug 13 from Denver to Portland, returning Mon, Aug 18, priced at $134 just found
Frontier Airlines
Fri, Aug 8 - Sat, Aug 16
DEN
Denver
PDX
Portland
$139 Roundtrip, found 14 hours ago
$139
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Fri, Aug 8 from Denver to Portland, returning Sat, Aug 16, priced at $139 found 14 hours ago
Frontier Airlines
Sun, Aug 3 - Sat, Aug 9
DEN
Denver
PDX
Portland
$144 Roundtrip, just found
$144
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Aug 3 from Denver to Portland, returning Sat, Aug 9, priced at $144 just found
Southwest Airlines
Wed, Aug 13 - Mon, Aug 18
DEN
Denver
PDX
Portland
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Aug 13 from Denver to Portland, returning Mon, Aug 18, priced at $157 just found
United
Wed, Aug 13 - Mon, Aug 18
DEN
Denver
PDX
Portland
$157 Roundtrip, just found
$157
Roundtrip
just found
Select United flight, departing Wed, Aug 13 from Denver to Portland, returning Mon, Aug 18, priced at $157 just found
Alaska Airlines
Wed, Aug 13 - Mon, Aug 18
DEN
Denver
PDX
Portland
$167 Roundtrip, just found
$167
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Aug 13 from Denver to Portland, returning Mon, Aug 18, priced at $167 just found
American Airlines
Sat, Sep 6 - Sat, Sep 13
DEN
Denver
PDX
Portland
$177 Roundtrip, just found
$177
Roundtrip
just found
Select American Airlines flight, departing Sat, Sep 6 from Denver to Portland, returning Sat, Sep 13, priced at $177 just found

Find the cheapest month to fly from Denver (DEN) to Portland (PDX)

February is typically the cheapest month to fly

From $48 - $277 per traveler.

Graph displaying average flight prices per month

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $154
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $154
Flights from Denver (DEN) to Portland (PDX)
Origin airport
Denver Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$113
Distance
989 mi
Average flight time
1 hour 37 mins

Denver to Portland Flights

The cheapest times to fly from Denver to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Portland are during the month of October. You can find some of the cheapest flights from Denver to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Portland

Sunday is one of the best days to book for cheap flights from Denver to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX) cost?
Cheap round-trip fares from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX) start from $80. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving DEN on August 8 2025 and touching down at PDX. The price was last updated on July 12 2025 and has not changed since.
What is the cheapest month to fly from DEN to PDX?
The cheapest flights from DEN to PDX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX)?
Skip the layovers and travel nonstop from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX) with 4 carriers, including:

  • United Airlines
  • Southwest Airlines
  • Frontier Airlines

What is the cheapest airline that flies from DEN to PDX?
With tickets starting at $57 for a one-way flight from DEN to PDX, Southwest Airlines is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on October 7 2025. Prices were last updated on July 12 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX)?
When flying out of Denver Intl. Airport (DEN), you can pick from an average of 9 daily direct flights to Portland Intl. Airport (PDX).
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX)?
More passengers fly between DEN and PDX at 8 AM than at any other time of day. Looking for a quieter experience? Pick a flight outside the busiest times and it's possible you'll save on your fare as well.
What day of the week has the most flights from DEN to PDX?
Sunday has the most flights from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX). Consider taking off on this day and you'll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX)?
Hop on the earliest flight at around 8:00AM UTC-7, departing from Denver Intl. Airport (DEN). You'll be in the air for approximately 2h 54m, touching down at Portland Intl. Airport (PDX) at approximately 9:54AM UTC-8.
How long does it take to fly from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX)?
Flights from DEN to PDX have an average travel time of 2 hours and 51 minutes. The distance between the two is 990 mi.
What airline has the least delays from DEN to PDX?
Consider booking with United Airlines if you'd like to fly straight from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX) without any interruptions. This carrier has the best track record for punctuality, with an on-time performance of 83%. Want to get notified of any changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX)?
Opt for a flight from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Portland from Denver Intl. Airport (DEN)?
Portland Intl. Airport (PDX) is the only airport in Portland with direct flights from Denver Intl. Airport (DEN). Browse the available options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX) last-minute?
Last-minute fares from DEN to PDX are generally more expensive. To lock in the lowest rates, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, you may find a cheap fare right before your journey.
Is it cheaper to book a DEN to PDX flight and hotel package?
Opting for a DEN to PDX flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Portland Intl. Airport (PDX)?
Typically, it's possible to cancel or reschedule your DEN to PDX flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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