Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Denver from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Denver departing on 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:24 am - 8:44 am
PDX
-
DEN
22h 20m
1 stop
Frontier Logo
9:10 am - 11:09 am
DEN
-
PDX
2h 59mnonstop
$126Frontier
Sat, Mar 7 - Mon, Mar 9
Alaska Airlines Logo
6:00 am - 12:14 pm
PDX
-
DEN
5h 14m
1 stop
Alaska Airlines Logo
6:03 pm - 7:52 pm
DEN
-
PDX
2h 49mnonstop
$127Alaska Airlines
Tue, Mar 10 - Wed, Mar 18
Multiple Airlines Logo
12:04 pm - 3:41 pm
PDX
-
DEN
2h 37mnonstop
Multiple Airlines Logo
11:38 am - 1:38 pm
DEN
-
PDX
3h 00mnonstop
$128Multiple Airlines
Thu, Mar 12 - Tue, Mar 17
Multiple Airlines Logo
12:04 pm - 3:41 pm
PDX
-
DEN
2h 37mnonstop
Multiple Airlines Logo
11:38 am - 1:38 pm
DEN
-
PDX
3h 00mnonstop
$129Multiple Airlines
Thu, Mar 12 - Tue, Mar 17
Multiple Airlines Logo
11:58 am - 3:36 pm
PDX
-
DEN
2h 38mnonstop
Multiple Airlines Logo
7:00 am - 12:35 pm
DEN
-
PDX
6h 35m
1 stop
$130Multiple Airlines
Mon, Apr 6 - Wed, Apr 8
Frontier Logo
12:04 pm - 3:41 pm
PDX
-
DEN
2h 37mnonstop
Frontier Logo
9:10 am - 11:09 am
DEN
-
PDX
2h 59mnonstop
$132Frontier
Thu, Mar 12 - Sun, Mar 15
Frontier Logo
12:04 pm - 3:41 pm
PDX
-
DEN
2h 37mnonstop
Frontier Logo
9:10 am - 11:09 am
DEN
-
PDX
2h 59mnonstop
$133Frontier
Thu, Mar 12 - Sun, Mar 15
Multiple Airlines Logo
2:45 pm - 6:29 pm
PDX
-
DEN
2h 44mnonstop
Multiple Airlines Logo
9:10 am - 11:03 am
DEN
-
PDX
2h 53mnonstop
$134Multiple Airlines
Fri, May 1 - Sun, May 3
Multiple Airlines Logo
7:05 am - 10:42 am
PDX
-
DEN
2h 37mnonstop
Multiple Airlines Logo
9:10 am - 11:09 am
DEN
-
PDX
2h 59mnonstop
$135Multiple Airlines
Wed, Mar 11 - Mon, Mar 16
Frontier Logo
9:53 am - 5:49 pm
PDX
-
DEN
6h 56m
1 stop
Frontier Logo
9:10 am - 11:03 am
DEN
-
PDX
2h 53mnonstop
$136Frontier
Thu, May 7 - Thu, May 14

Frontier flights from Portland to Denver

Our best Frontier deals on Portland to Denver flight tickets
Frontier
Mar 7
PDX9:24 amPortland
22h 20m
1 stop
DEN8:44 amDenver Intl
Mar 9
DEN9:10 amDenver Intl
2h 59m
PDX11:09 amPortland
$126
Frontier
Mar 12
PDX12:04 pmPortland
2h 37m
DEN3:41 pmDenver Intl
Mar 15
DEN9:10 amDenver Intl
2h 59m
PDX11:09 amPortland
$132
Frontier
Mar 12
PDX12:04 pmPortland
2h 37m
DEN3:41 pmDenver Intl
Mar 15
DEN9:10 amDenver Intl
2h 59m
PDX11:09 amPortland
$133

Alaska Airlines flights from Portland to Denver

Our best Alaska Airlines deals on Portland to Denver flight tickets
Alaska Airlines
Mar 10
PDX6:00 amPortland
5h 14m
1 stop
DEN12:14 pmDenver Intl
Mar 18
DEN6:03 pmDenver Intl
2h 49m
PDX7:52 pmPortland
$127
Alaska Airlines
Mar 14
PDX3:52 pmPortland
7h 07m
1 stop
DEN11:59 pmDenver Intl
Mar 19
DEN6:03 pmDenver Intl
2h 49m
PDX7:52 pmPortland
$157
Alaska Airlines
Feb 21
PDX7:05 amPortland
2h 37m
DEN10:42 amDenver Intl
Feb 25
DEN11:38 amDenver Intl
3h 00m
PDX1:38 pmPortland
$217

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from Portland to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 3/7

9:24 am-8:44 am

1 stop22h 20m

Denver Intl

Mon 3/9

9:10 am-11:09 am

Nonstop2h 59m

$126

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 3/10

6:00 am-12:14 pm

1 stop5h 14m

Denver Intl

Wed 3/18

6:03 pm-7:52 pm

Nonstop2h 49m

$127

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 3/12

12:04 pm-3:41 pm

Nonstop2h 37m

Denver Intl

Tue 3/17

11:38 am-1:38 pm

Nonstop3h 00m

$128

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 3/12

12:04 pm-3:41 pm

Nonstop2h 37m

Denver Intl

Tue 3/17

11:38 am-1:38 pm

Nonstop3h 00m

$129

PortlandDenver

PDX - DEN

PDXDEN

Portland

Mon 4/6

11:58 am-3:36 pm

Nonstop2h 38m

Denver Intl

Wed 4/8

7:00 am-12:35 pm

1 stop6h 35m

$130

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 3/12

12:04 pm-3:41 pm

Nonstop2h 37m

Denver Intl

Sun 3/15

9:10 am-11:09 am

Nonstop2h 59m

$132

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 3/12

12:04 pm-3:41 pm

Nonstop2h 37m

Denver Intl

Sun 3/15

9:10 am-11:09 am

Nonstop2h 59m

$133

PortlandDenver

PDX - DEN

PDXDEN

Portland

Fri 5/1

2:45 pm-6:29 pm

Nonstop2h 44m

Denver Intl

Sun 5/3

9:10 am-11:03 am

Nonstop2h 53m

$134

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 3/11

7:05 am-10:42 am

Nonstop2h 37m

Denver Intl

Mon 3/16

9:10 am-11:09 am

Nonstop2h 59m

$135

PortlandDenver

PDX - DEN

PDXDEN

Portland

Thu 5/7

9:53 am-5:49 pm

1 stop6h 56m

Denver Intl

Thu 5/14

9:10 am-11:03 am

Nonstop2h 53m

$136

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Denver from

How to get the cheapest flight ticket from Portland to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Portland is in August. Flight prices, which tend to average around $169, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in August, then you should wait until January to fly from Portland, when ticket prices are also cheap, with an average price of $181.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $316. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $386.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $313. Flights at noon are often more expensive with an average ticket price of $362.

What is the cheapest Portland to Denver Intl flight route?

Fly from Portland to Denver Intl for the best Portland - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $207 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Portland for as low as $162 on momondo.

What cabin class options are available on Portland to Denver Intl flights?

There are 4 cabin classes available to choose from on Portland to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Portland to Denver flight prices changed over time?

As of February 2026, prices for Portland to Denver flights are approximately 58% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Denver (PDX to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Denver

Best Price Found

$155

Fastest flight time

2h 33m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Portland in the past 72 hours is $155. The best round-trip flight deal from Portland to Denver found on momondo in the last 72 hours is $267.
The fastest flight from Portland to Denver takes 2h 33m
Direct flights go from Portland to Denver every day.
There is 1 airport in Denver. From Portland there are direct flights to Denver Intl (DEN).
Search flight deals

  • How far is Portland to Denver Intl by plane?

    The straight-line distance from Portland to Denver Intl is 980.7 mi. Typically, this will take 2h 33m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to Denver Intl Airport?

    Prices for flights from Portland Airport to Denver Intl Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Denver Intl Airport?

  • How old do you have to be to fly from Portland Airport to Denver Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Portland to Denver?

  • What is the most popular airline from Portland to Denver?

Best airlines flying from Portland to Denver

Compare and see reviews for airlines that fly from Portland to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $57Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
DeltaPriceFrom $88Free CancellationRating
7.9
8,173 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $88Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
9,255 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $146Free CancellationRating
8.0
11,851 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $147Free CancellationRating
8.0
4,281 reviews
Search Southwest flights

  • Alaska Airlines Flights From Portland to Denver

    Alaska Airlines flight deals from Portland to Denver start from $146 round-trip. Over the 2 Alaska Airlines flights for this route in a normal week, average airfare is usually $258 round-trip - but some users have found much cheaper deals with momondo.

  • Southwest Flights From Portland to Denver

    Southwest (8.0/10 from 4,282 reviews) operates around 17 flights from Portland to Denver in any given week. The average Southwest airfare for this route is around $261, with deals from around $147 rare but found on momondo. Referenced prices are for round-trip Portland to Denver flight searches in the last 72 hours.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Manitou Springs
Longmont
Cripple Creek
Boulder
Keystone
Greeley
Lakewood
Westminster
Thornton
Frisco
Copper Mountain
Winter Park
Centennial
Englewood
Grand Lake

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Denver?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Denver. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to Denver with flexible booking policies on momondo?

All flight searches from Portland to Denver on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Denver?

momondo helps you find the best flight between Portland and Denver by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to Denver right now. Can momondo alert me if prices change?

Price alerts on flights to Denver from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 3/10
Tue 3/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States