How many flights depart from Portland to Denver on average per day?

14 flights are operational daily from Portland to Denver as of August 2025. The most popular departure time for this route is 1:00PM, with 47% of flights per day taking off in the afternoon.

What is the cheapest airline that flies from Portland to Denver Intl?

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Portland to Denver Intl

How many flights depart from Portland to Denver on average per week?

As of August 2025, there are 104 flights per week flying from Portland to Denver. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

What airlines fly to Denver?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from Portland according to our data. Frontier is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

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?

There are 6 operators available for flights from Portland Airport to Denver Intl Airport as of August 2025.

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.

$67 Cheap Flights from Portland to Denver (PDX-DEN) in 2025

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Find the cheapest flights from Portland to Denver (PDX-DEN)

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:15 am - 10:58 amPDX-DEN

2h 43mnonstop

8:50 pm - 10:34 pmDEN-PDX

2h 44mnonstop

$91Frontier

Find Deal

Sat, Sep 27 - Wed, Oct 1

6:05 am - 9:44 amPDX-DEN

2h 39mnonstop

8:50 pm - 10:34 pmDEN-PDX

2h 44mnonstop

$92Frontier

Find Deal

Fri, Sep 19 - Tue, Sep 23

7:15 am - 10:58 amPDX-DEN

2h 43mnonstop

8:50 pm - 10:34 pmDEN-PDX

2h 44mnonstop

$93Frontier

Find Deal

Wed, Sep 17 - Wed, Sep 24

6:05 am - 9:44 amPDX-DEN

2h 39mnonstop

8:50 pm - 10:34 pmDEN-PDX

2h 44mnonstop

$94Frontier

Find Deal

Fri, Sep 5 - Wed, Sep 10

7:15 am - 10:58 amPDX-DEN

2h 43mnonstop

10:29 pm - 12:12 amDEN-PDX

2h 43mnonstop

$95Frontier

Find Deal

Tue, Sep 9 - Fri, Sep 12

6:05 am - 9:44 amPDX-DEN

2h 39mnonstop

8:50 pm - 10:34 pmDEN-PDX

2h 44mnonstop

$96Frontier

Find Deal

Fri, Sep 26 - Tue, Sep 30

6:05 am - 9:44 amPDX-DEN

2h 39mnonstop

8:50 pm - 10:34 pmDEN-PDX

2h 44mnonstop

$97Frontier

Find Deal

Sun, Sep 28 - Wed, Oct 1

6:05 am - 9:44 amPDX-DEN

2h 39mnonstop

10:29 pm - 12:12 amDEN-PDX

2h 43mnonstop

$98Frontier

Find Deal

Fri, Sep 5 - Fri, Sep 5

7:15 am - 10:58 amPDX-DEN

2h 43mnonstop

11:40 am - 1:23 pmDEN-PDX

2h 43mnonstop

$136

Find Deal

Sat, Sep 20 - Tue, Sep 23

1:24 pm - 10:02 pmPDX-DEN

7h 38m1 stop

8:50 pm - 10:34 pmDEN-PDX

2h 44mnonstop

$140

Find Deal

Tue, Sep 23 - Tue, Sep 30

Frontier flights from Portland to Denver

Our best Frontier deals on Portland to Denver flight tickets

Frontier

Sep 27

PDX7:15 amPortland

2h 43m

DEN10:58 amDenver Intl

Oct 1

DEN8:50 pmDenver Intl

2h 44m

PDX10:34 pmPortland

$91

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Frontier

Sep 19

PDX6:05 amPortland

2h 39m

DEN9:44 amDenver Intl

Sep 23

DEN8:50 pmDenver Intl

2h 44m

PDX10:34 pmPortland

$92

Find similar

Frontier

Sep 17

PDX7:15 amPortland

2h 43m

DEN10:58 amDenver Intl

Sep 24

DEN8:50 pmDenver Intl

2h 44m

PDX10:34 pmPortland

$93

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 9/27

7:15 am-10:58 am

Nonstop2h 43m

Denver Intl

Wed 10/1

8:50 pm-10:34 pm

Nonstop2h 44m

$91

PortlandDenver

PDX - DEN

PDXDEN

Portland

Fri 9/19

6:05 am-9:44 am

Nonstop2h 39m

Denver Intl

Tue 9/23

8:50 pm-10:34 pm

Nonstop2h 44m

$92

PortlandDenver

PDX - DEN

PDXDEN

Portland

Wed 9/17

7:15 am-10:58 am

Nonstop2h 43m

Denver Intl

Wed 9/24

8:50 pm-10:34 pm

Nonstop2h 44m

$93

PortlandDenver

PDX - DEN

PDXDEN

Portland

Fri 9/5

6:05 am-9:44 am

Nonstop2h 39m

Denver Intl

Wed 9/10

8:50 pm-10:34 pm

Nonstop2h 44m

$94

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 9/9

7:15 am-10:58 am

Nonstop2h 43m

Denver Intl

Fri 9/12

10:29 pm-12:12 am

Nonstop2h 43m

$95

PortlandDenver

PDX - DEN

PDXDEN

Portland

Fri 9/26

6:05 am-9:44 am

Nonstop2h 39m

Denver Intl

Tue 9/30

8:50 pm-10:34 pm

Nonstop2h 44m

$96

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sun 9/28

6:05 am-9:44 am

Nonstop2h 39m

Denver Intl

Wed 10/1

8:50 pm-10:34 pm

Nonstop2h 44m

$97

PortlandDenver

PDX - DEN

PDXDEN

Portland

Fri 9/5

6:05 am-9:44 am

Nonstop2h 39m

Denver Intl

Fri 9/5

10:29 pm-12:12 am

Nonstop2h 43m

$98

PortlandDenver

PDX - DEN

PDXDEN

Portland

Sat 9/20

7:15 am-10:58 am

Nonstop2h 43m

Denver Intl

Tue 9/23

11:40 am-1:23 pm

Nonstop2h 43m

$136

PortlandDenver

PDX - DEN

PDXDEN

Portland

Tue 9/23

1:24 pm-10:02 pm

1 stop7h 38m

Denver Intl

Tue 9/30

8:50 pm-10:34 pm

Nonstop2h 44m

$140

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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

Prices

Airlines

Other information

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 $143, 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 $148.

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 $311. 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 $409.

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 $301. Flights at noon are often more expensive with an average ticket price of $421.

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 $192 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 $141 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 August 2025, prices for Portland to Denver flights are approximately 31% 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	$138
Fastest flight time	2h 28m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Portland in the past 72 hours is $138. The best round-trip flight deal from Portland to Denver found on momondo in the last 72 hours is $194.

The fastest flight from Portland to Denver takes 2h 28m

Direct flights go from Portland to Denver every day.

There is 1 airport near Denver: Denver Intl (DEN)

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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 28m 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?
There are 6 operators available for flights from Portland Airport to Denver Intl Airport as of August 2025.
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?
momondo data reveals that the most frequently booked plane model on the route from Portland to Denver is Boeing 737-800 Passenger/BBJ2 (winglets), representing 16.07% of all bookings. The subsequent popular models are Airbus A321neo at 13.58%, Boeing 737 MAX 9 at 12.20%, and Boeing 737-800 at 9.12%.
What is the most popular airline from Portland to Denver?
momondo data reveals that the most frequently booked airline on the route from Portland to Denver is Frontier, representing 53% of all bookings. The subsequent popular airlines are United Airlines at 19%, Southwest at 13%, and Alaska Airlines at 13%.

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
Frontier	PriceFrom $56	Free Cancellation	Rating 5.8 3,200 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $98	Free Cancellation	Rating 7.8 2,681 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $157	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $158	Free Cancellation	Rating 7.4 8,943 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $164	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 7,979 reviews	Search Delta flights

Southwest Flights From Portland to Denver
Southwest flight deals from Portland to Denver start from $157 round-trip. Over the 31 Southwest flights for this route in a normal week, average airfare is usually $246 round-trip - but some users have found much cheaper deals with momondo.
Alaska Airlines Flights From Portland to Denver
Alaska Airlines (8.0/10 from 10,000 reviews) operates around 4 flights from Portland to Denver in any given week. The average Alaska Airlines airfare for this route is around $260, with deals from around $164 rare but found on momondo. Referenced prices are for round-trip Portland to Denver flight searches in the last 72 hours.

Estes Park

Breckenridge

Black Hawk

Aurora

Fort Collins

Keystone

Cripple Creek

Longmont

Boulder

Manitou Springs

Lakewood

Greeley

Westminster

Thornton

Winter Park

Grand Lake

Copper Mountain

Frisco

Silverthorne

Centennial

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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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Cheap flights from Portland to Denver from $67

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 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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?

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 $311. 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 $409.

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 $301. Flights at noon are often more expensive with an average ticket price of $421.

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?

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 August 2025, prices for Portland to Denver flights are approximately 31% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Portland to Denver Intl?

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Portland to Denver Intl

What airlines fly to Denver?

How many flights depart from Portland to Denver on average per day?

14 flights are operational daily from Portland to Denver as of August 2025. The most popular departure time for this route is 1:00PM, with 47% of flights per day taking off in the afternoon.

How many flights depart from Portland to Denver on average per week?

As of August 2025, there are 104 flights per week flying from Portland to Denver. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

When to book flights from Portland to Denver

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

Fastest flight time

Direct flights

Airports in Denver

How far is Portland to Denver Intl by plane?

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

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?

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

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

Southwest Flights From Portland to Denver

Alaska Airlines Flights From Portland to Denver

Traveling to a place near Denver?

Why use momondo?

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

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

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

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

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.

Find better results for your trip to the United States

Airports servicing Colorado