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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

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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 - 9:56 amPDX-DEN
2h 36mnonstop
Frontier Logo
10:50 pm - 12:38 amDEN-PDX
2h 48mnonstop
$96Frontier
Find Deal
Tue, Apr 29 - Sat, May 3
Frontier Logo
6:20 am - 9:58 amPDX-DEN
2h 38mnonstop
Frontier Logo
9:43 pm - 11:27 pmDEN-PDX
2h 44mnonstop
$97Frontier
Find Deal
Sat, May 3 - Wed, May 7
Frontier Logo
6:35 am - 10:12 amPDX-DEN
2h 37mnonstop
Frontier Logo
9:29 pm - 11:21 pmDEN-PDX
2h 52mnonstop
$98Frontier
Find Deal
Tue, Jun 3 - Tue, Jun 3
Southwest Logo
8:00 am - 11:35 amPDX-DEN
2h 35mnonstop
Southwest Logo
7:55 am - 9:35 amDEN-PDX
2h 40mnonstop
$187Southwest
Find Deal
Sat, Apr 26 - Mon, Apr 28
Hawaiian Airlines Logo
5:40 pm - 9:15 pmPDX-DEN
2h 35mnonstop
Hawaiian Airlines Logo
8:20 am - 10:02 amDEN-PDX
2h 42mnonstop
$190Hawaiian Airlines
Find Deal
Sat, Apr 26 - Sun, Apr 27
Southwest Logo
8:00 am - 11:35 amPDX-DEN
2h 35mnonstop
Southwest Logo
4:35 pm - 11:05 pmDEN-PDX
7h 30m2 stops
$192Southwest
Find Deal
Sat, May 10 - Tue, May 13
United Airlines Logo
3:45 pm - 11:59 pmPDX-DEN
7h 14m1 stop
United Airlines Logo
8:00 am - 9:47 amDEN-PDX
2h 47mnonstop
$197United Airlines
Find Deal
Thu, Apr 24 - Sat, Apr 26
Hawaiian Airlines Logo
5:40 pm - 9:15 pmPDX-DEN
2h 35mnonstop
Hawaiian Airlines Logo
7:00 am - 10:52 amDEN-PDX
4h 52m1 stop
$204Hawaiian Airlines
Find Deal
Wed, Apr 30 - Wed, May 7
Alaska Airlines Logo
2:30 pm - 12:05 amPDX-DEN
8h 35m2 stops
Alaska Airlines Logo
6:00 am - 9:53 amDEN-PDX
4h 53m1 stop
$251Alaska Airlines
Find Deal
Sat, Jun 7 - Tue, Jun 10
Alaska Airlines Logo
3:40 pm - 11:59 pmPDX-DEN
7h 19m1 stop
Alaska Airlines Logo
6:00 am - 9:50 amDEN-PDX
4h 50m1 stop
$256Alaska Airlines
Find Deal
Thu, Aug 14 - Mon, Aug 18

Frontier flights from Portland to Denver

Our best Frontier deals on Portland to Denver flight tickets
Frontier
Apr 29
PDX6:20 amPortland
2h 36m
DEN9:56 amDenver Intl
May 3
DEN10:50 pmDenver Intl
2h 48m
PDX12:38 amPortland
Frontier
May 3
PDX6:20 amPortland
2h 38m
DEN9:58 amDenver Intl
May 7
DEN9:43 pmDenver Intl
2h 44m
PDX11:27 pmPortland
Frontier
Jun 3
PDX6:35 amPortland
2h 37m
DEN10:12 amDenver Intl
Jun 3
DEN9:29 pmDenver Intl
2h 52m
PDX11:21 pmPortland

Southwest flights from Portland to Denver

Our best Southwest deals on Portland to Denver flight tickets
Southwest
Apr 26
PDX8:00 amPortland
2h 35m
DEN11:35 amDenver Intl
Apr 28
DEN7:55 amDenver Intl
2h 40m
PDX9:35 amPortland
Southwest
May 10
PDX8:00 amPortland
2h 35m
DEN11:35 amDenver Intl
May 13
DEN4:35 pmDenver Intl
7h 30m
2 stops
PDX11:05 pmPortland
Southwest
Apr 29
PDX1:40 pmPortland
5h 00m
1 stop
DEN7:40 pmDenver Intl
Apr 30
DEN7:00 amDenver Intl
7h 50m
1 stop
PDX1:50 pmPortland

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 $154.

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 $184 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 2% cheaper 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

Every day

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 every day.
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
3,276 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $88Free CancellationRating
7.9
2,347 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $143Free CancellationRating
8.0
9,836 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $149Free CancellationRating
7.4
8,618 reviews
Search United Airlines flights
SouthwestPriceFrom $156Free CancellationRating
8.0
4,276 reviews
Search Southwest flights
DeltaPriceFrom $176Free CancellationRating
8.0
7,901 reviews
Search Delta flights
  • Alaska Airlines Flights From Portland to Denver

    Alaska Airlines flight deals from Portland to Denver start from $143 round-trip. Over the 4 Alaska Airlines flights for this route in a normal week, average airfare is usually $260 round-trip - but some users have found much cheaper deals with momondo.

  • Southwest Flights From Portland to Denver

    Southwest (8.0/10 from 4,276 reviews) operates around 15 flights from Portland to Denver in any given week. The average Southwest airfare for this route is around $234, with deals from around $156 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
Aurora
Black Hawk
Fort Collins
Keystone
Lakewood
Longmont
Cripple Creek
Boulder
Westminster
Greeley
Manitou Springs
Thornton
Sterling
Winter Park
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.


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