Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Denver from $48

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 5/14. 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.

Find the cheapest flights from Portland to Denver

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Portland to Denver.
Frontier Logo
6:20 am - 9:58 amPDX-DEN
2h 38mnonstop
Frontier Logo
9:43 pm - 11:27 pmDEN-PDX
2h 44mnonstop
$96Frontier
Find Deal
Tue, May 6 - Wed, May 14
Frontier Logo
6:37 am - 10:15 amPDX-DEN
2h 38mnonstop
Frontier Logo
10:50 pm - 12:38 amDEN-PDX
2h 48mnonstop
$97Frontier
Find Deal
Wed, May 7 - Sat, May 10
United Airlines Logo
8:45 am - 12:20 pmPDX-DEN
2h 35mnonstop
United Airlines Logo
8:02 am - 12:22 pmDEN-PDX
5h 20m1 stop
$187United Airlines
Find Deal
Sat, Jun 7 - Tue, Jun 10
Alaska Airlines Logo
7:00 am - 10:40 amPDX-DEN
2h 40mnonstop
Alaska Airlines Logo
6:00 am - 9:53 amDEN-PDX
4h 53m1 stop
$207Alaska Airlines
Find Deal
Thu, Jun 5 - Sun, Jun 8
Southwest Logo
12:20 pm - 8:45 pmPDX-DEN
7h 25m2 stops
Southwest Logo
9:50 pm - 11:30 pmDEN-PDX
2h 40mnonstop
$212Southwest
Find Deal
Thu, May 29 - Mon, Jun 2
Hawaiian Airlines Logo
4:00 pm - 12:05 amPDX-DEN
7h 05m1 stop
Hawaiian Airlines Logo
6:00 am - 9:53 amDEN-PDX
4h 53m1 stop
$213Hawaiian Airlines
Find Deal
Sun, May 18 - Wed, May 21
Alaska Airlines Logo
4:00 pm - 11:59 pmPDX-DEN
6h 59m1 stop
Alaska Airlines Logo
7:05 pm - 8:50 pmDEN-PDX
2h 45mnonstop
$227Alaska Airlines
Find Deal
Sat, May 10 - Sat, May 17
Southwest Logo
10:40 am - 6:30 pmPDX-DEN
6h 50m2 stops
Southwest Logo
9:30 pm - 11:10 pmDEN-PDX
2h 40mnonstop
$232Southwest
Find Deal
Tue, May 13 - Wed, May 14
Hawaiian Airlines Logo
5:30 pm - 12:05 amPDX-DEN
5h 35m1 stop
Hawaiian Airlines Logo
6:00 am - 12:18 pmDEN-PDX
7h 18m1 stop
$246Hawaiian Airlines
Find Deal
Sat, May 17 - Sun, May 18
United Airlines Logo
7:54 am - 2:59 pmPDX-DEN
6h 05m1 stop
United Airlines Logo
6:00 am - 7:42 amDEN-PDX
2h 42mnonstop
$304United Airlines
Find Deal
Thu, May 8 - Fri, May 23

United Airlines flights from Portland to Denver

Our best United Airlines deals on Portland to Denver flight tickets
United Airlines
Jun 7
PDX8:45 amPortland
2h 35m
DEN12:20 pmDenver Intl
Jun 10
DEN8:02 amDenver Intl
5h 20m
1 stop
PDX12:22 pmPortland
United Airlines
May 8
PDX7:54 amPortland
6h 05m
1 stop
DEN2:59 pmDenver Intl
May 23
DEN6:00 amDenver Intl
2h 42m
PDX7:42 amPortland
United Airlines
May 10
PDX4:20 pmPortland
2h 36m
DEN7:56 pmDenver Intl
May 11
DEN8:00 amDenver Intl
2h 46m
PDX9:46 amPortland

Frontier flights from Portland to Denver

Our best Frontier deals on Portland to Denver flight tickets
Frontier
May 6
PDX6:20 amPortland
2h 38m
DEN9:58 amDenver Intl
May 14
DEN9:43 pmDenver Intl
2h 44m
PDX11:27 pmPortland
Frontier
May 7
PDX6:37 amPortland
2h 38m
DEN10:15 amDenver Intl
May 10
DEN10:50 pmDenver Intl
2h 48m
PDX12:38 amPortland
Frontier
May 6
PDX6:20 amPortland
2h 38m
DEN9:58 amDenver Intl
May 17
DEN10:50 pmDenver Intl
2h 48m
PDX12:38 amPortland

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 September. Flight prices, which tend to average around $136, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until October to fly from Portland, when ticket prices are also cheap, with an average price of $152.

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 $309. 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 $394.

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 $224. Flights at noon are often more expensive with an average ticket price of $455.

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 5 weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $187 when searching 5 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 $144 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 April 2025, prices for Portland to Denver flights are approximately 41% 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

$48

Fastest flight time

2h 30m

Direct flights

Mon, Wed, Thu, Fri, Sat and Sun

Airports in Denver

1 airport
The best one-way flight to Denver from Portland in the past 72 hours is $48. The best round-trip flight deal from Portland to Denver found on momondo in the last 72 hours is $96.
The fastest flight from Portland to Denver takes 2h 30m
Direct flights go from Portland to Denver on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Southwest and Alaska Airlines.
There is 1 airport near Denver: Denver Intl (DEN)

  • 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 30m 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 $55Free CancellationRating
5.9
3,283 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $94Free CancellationRating
7.9
2,393 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $150Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $153Free CancellationRating
8.0
9,928 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $157Free CancellationRating
8.0
4,286 reviews
Search Southwest flights
DeltaPriceFrom $176Free CancellationRating
8.0
7,920 reviews
Search Delta flights
  • Alaska Airlines Flights From Portland to Denver

    Alaska Airlines flight deals from Portland to Denver start from $153 round-trip. Over the 13 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 4,287 reviews) operates around 25 flights from Portland to Denver in any given week. The average Southwest airfare for this route is around $243, with deals from around $157 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
Estes Park
Breckenridge
Black Hawk
Aurora
Fort Collins
Keystone
Longmont
Lakewood
Cripple Creek
Boulder
Westminster
Manitou Springs
Greeley
Thornton
Winter Park
Sterling
Silverthorne
Copper Mountain
Golden
Centennial

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 4/30
Wed 5/7

Find better results for your trip to the United States