How popular is this Portland to Denver flight route?

This flight path from Portland to Denver Intl was viewed by 281 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from Portland to Denver round-trip?

Cheapflights users have booked flights from Portland to Denver round-trip from $135. Other airlines that can offer you cheap pricing are Alaska Airlines, from $187, and Southwest, from $192. Users have found that Frontier is 27% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Portland to Denver one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $86. However, be on the lookout for offers from Alaska Airlines and Southwest, as they are both options that can get you from Portland to Denver for a low price.

What are the cheapest flights from Portland to Denver?

While on average a flight from Portland to Denver is generally $858, our data shows the cheapest flight currently is $88. When looking at the most popular route, (Portland - Denver Intl), you can expect to pay $154 for that flight.

What are the most reliable airlines from Portland to Denver?

The top 3 most reliable airlines when flying from Portland to Denver are Sun Country Air (100%), Alaska Airlines (95%) and Hawaiian Airlines (95%).

What are the most popular airlines that fly from Portland to Denver?

When booking a flight from Portland to Denver, you may want to consider flying on Alaska Airlines, Delta or Frontier as they are the most popular for this route.

What is the cheapest day to fly round-trip from Portland to Denver?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 27% on your flight compared to booking on days when demand is much higher.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 31 days in advance, which can save you up to 78% on flights from Portland to Denver compared to booking the week you need them. Waiting 31 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $168. For sooner than that we have options available in the next 3 days from $333.

What is the cheapest month to fly from Portland to Denver?

The best pricing can be found in the month of September. Prices to Denver from Portland average $187. You can even find prices in September for less than $187, as users have found deals to Denver from as low as $54. The month of March appears to be one of the more expensive times to travel to Denver from Portland. Flying in the targeted month can save you up to 24%.

Most accurate provider : When it comes to deals on Portland-Denver flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Portland-Denver flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Portland-Denver flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Portland-Denver flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Portland to Denver?

If you book a flight from Portland to Denver, you will be flying from Portland to Denver Intl. Flights to Denver Intl (DEN) from Portland (PDX) take 2h 32m for a nonstop flight. There are 12 flights from Portland to Denver per day from 6 airlines.

Can I find deals for flights from Portland to Denver that include hotel bookings?

Yes. In addition to deals on Portland to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Denver?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Denver.

Can I find deals for business class flights from Portland to Denver?

Yes. Cheapflights offers flight deals from Portland to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$86+ Flights from Portland to Denver

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Find cheap flights from Portland to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Portland to Denver Intl are usually found in September or October, booked 30 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Portland to Denver

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$135 (Cheapflightsfares)
One-way from	$86 (Cheapflightsfares)
Popular in	March
Cheapest in	September
Average price	$197
Good round-trip deal	$247 or less
Good one-way deal	$140 or less

Provider with most accurate pricing for Portland-Denver Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Denver Intl flights.

Search Deals

From Portland to Denver Intl

Search Deals

One-way flight from Portland to Denver Intl

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($15 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Portland to Denver Intl.

Search Deals

Price to beat on a one-way flight from Portland to Denver Intl.

Search Deals

Find flight deals from Portland to Denver

Cheapest flights from Portland to Denver
Explore the most affordable flight options available from Portland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

mar. 5/66:20 amPDX - DEN

Nonstop2h 38mFrontier

mié. 5/149:43 pmDEN - PDX

Nonstop2h 44mFrontier

Deal found 4/17

$135

sáb. 5/316:35 amPDX - DEN

Nonstop2h 38mMultiple Airlines

mar. 6/311:40 amDEN - PDX

Nonstop2h 30mMultiple Airlines

Deal found 4/17

$163

mar. 5/1312:50 pmPDX - DEN

Nonstop2h 30mSouthwest

mar. 5/205:15 pmDEN - PDX

1 stop7h 10mSouthwest

Deal found 4/17

$187

mar. 5/137:45 amPDX - DEN

Nonstop2h 36mAlaska Airlines

mar. 5/206:00 amDEN - PDX

1 stop5h 53mAlaska Airlines

Deal found 4/17

$204

mar. 5/131:21 pmPDX - DEN

1 stop7h 26mDelta

vie. 5/165:30 amDEN - PDX

1 stop4h 12mDelta

Deal found 4/17

$207

mar. 5/610:35 amPDX - DEN

1 stop6h 03mHawaiian Airlines

sáb. 5/108:20 amDEN - PDX

Nonstop2h 42mHawaiian Airlines

Deal found 4/17

$227

dom. 11/99:10 amPDX - DEN

Nonstop2h 34mUnited Airlines

mié. 11/126:00 amDEN - PDX

1 stop5h 15mUnited Airlines

Deal found 4/17

$283

jue. 6/2611:59 pmPDX - DEN

1 stop15h 32mSun Country Air

dom. 6/296:15 amDEN - PDX

1 stop17h 31mSun Country Air

Deal found 4/17

$289

Best flights from Portland to Denver
Discover carefully curated flight deals from Portland to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 17, 2025.

mar. 5/66:20 amPDX - DEN

Nonstop2h 38mFrontier

mié. 5/149:43 pmDEN - PDX

Nonstop2h 44mFrontier

Deal found 4/17

$135

sáb. 5/315:30 pmPDX - DEN

1 stop5h 35mMultiple Airlines

sáb. 6/710:29 pmDEN - PDX

Nonstop2h 50mMultiple Airlines

Deal found 4/15

$162

mié. 5/75:22 pmPDX - DEN

1 stop5h 37mAlaska Airlines

mié. 5/148:20 amDEN - PDX

Nonstop2h 42mAlaska Airlines

Deal found 4/15

$187

sáb. 5/315:10 amPDX - DEN

Nonstop2h 30mSouthwest

mar. 6/34:35 pmDEN - PDX

2 stops7h 30mSouthwest

Deal found 4/17

$192

mié. 5/149:40 amPDX - DEN

1 stop4h 05mDelta

sáb. 5/176:25 pmDEN - PDX

1 stop4h 36mDelta

Deal found 4/16

$197

vie. 6/67:00 amPDX - DEN

Nonstop2h 40mHawaiian Airlines

dom. 6/86:00 amDEN - PDX

1 stop4h 53mHawaiian Airlines

Deal found 4/16

$207

mié. 4/301:45 pmPDX - DEN

1 stop7h 59mUnited Airlines

sáb. 5/37:12 pmDEN - PDX

Nonstop2h 48mUnited Airlines

Deal found 4/16

$263

jue. 6/1211:59 pmPDX - DEN

1 stop16h 14mSun Country Air

jue. 6/197:07 pmDEN - PDX

1 stop28h 39mSun Country Air

Deal found 4/17

$285

Last-minute flights from Portland to Denver
Discover last-minute flight deals from Portland to Denver. Data last updated abril 17, 2025 and is based on user searches.

mié. 4/231:45 pmPDX - DEN

1 stop7h 59mUnited Airlines

vie. 4/251:27 pmDEN - PDX

1 stop6h 06mUnited Airlines

Deal found 4/16

$339

vie. 4/256:20 amPDX - DEN

Nonstop2h 36mFrontier

jue. 5/110:50 pmDEN - PDX

Nonstop2h 48mFrontier

Deal found 4/16

$215

vie. 4/251:30 pmPDX - DEN

1 stop6h 20mSouthwest

jue. 5/18:00 amDEN - PDX

2 stops7h 15mSouthwest

Deal found 4/16

$359

vie. 4/2510:30 amPDX - DEN

2 stops10h 18mAlaska Airlines

lun. 4/281:18 pmDEN - PDX

1 stop8h 19mAlaska Airlines

Deal found 4/17

$416

vie. 4/2510:25 amPDX - DEN

2 stops30h 17mMultiple Airlines

jue. 5/16:30 pmDEN - PDX

2 stops24h 35mMultiple Airlines

Deal found 4/16

$444

sáb. 4/2611:55 amPDX - DEN

1 stop4h 50mDelta

dom. 4/276:30 amDEN - PDX

1 stop5h 10mDelta

Deal found 4/16

$344

mar. 5/66:20 amPDX - DEN

Nonstop2h 38mFrontier

mié. 5/149:43 pmDEN - PDX

Nonstop2h 44mFrontier

Deal found 4/17

$135

mar. 5/611:35 amPDX - DEN

1 stop5h 03mHawaiian Airlines

mié. 5/147:55 pmDEN - PDX

1 stop4h 49mHawaiian Airlines

Deal found 4/17

$236

mar. 5/1312:50 pmPDX - DEN

Nonstop2h 30mSouthwest

mar. 5/205:15 pmDEN - PDX

1 stop7h 10mSouthwest

Deal found 4/17

$187

mar. 5/137:45 amPDX - DEN

Nonstop2h 36mAlaska Airlines

mar. 5/206:00 amDEN - PDX

1 stop5h 53mAlaska Airlines

Deal found 4/17

$204

mar. 5/131:21 pmPDX - DEN

1 stop7h 26mDelta

vie. 5/165:30 amDEN - PDX

1 stop4h 12mDelta

Deal found 4/17

$207

jue. 5/155:00 amPDX - DEN

Nonstop2h 37mUnited Airlines

vie. 5/167:16 pmDEN - PDX

1 stop6h 15mUnited Airlines

Deal found 4/17

$277

One-way flights from Portland to Denver
Search for one-way flight options from Portland to Denver. Find affordable one-way fares based on user searches. Data last updated abril 17, 2025.

lun. 6/25:50 pmPDX - DEN

Nonstop2h 38mFrontier

Deal found 4/16

$86

sáb. 6/77:00 amPDX - DEN

Nonstop2h 40mAlaska Airlines

Deal found 4/16

$89

mar. 5/1310:40 amPDX - DEN

2 stops6h 50mSouthwest

Deal found 4/16

$104

vie. 5/305:30 pmPDX - DEN

1 stop5h 35mHawaiian Airlines

Deal found 4/16

$108

lun. 6/211:25 amPDX - DEN

1 stop5h 25mDelta

Deal found 4/16

$109

mié. 6/111:37 pmPDX - DEN

2 stops27h 45mMultiple Airlines

Deal found 4/17

$123

jue. 6/2611:59 pmPDX - DEN

1 stop15h 32mSun Country Air

Deal found 4/17

$130

dom. 5/185:00 amPDX - DEN

Nonstop2h 37mUnited Airlines

Deal found 4/16

$134

jue. 7/312:59 amPDX - DEN

1 stop11h 56mAmerican Airlines

Deal found 4/16

$188

Cheapflights Fare Finder

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

mar. 5/6

6:20 am-9:58 am

Nonstop2h 38m

Denver Intl

mié. 5/14

9:43 pm-11:27 pm

Nonstop2h 44m

$135

PortlandDenver

PDX - DEN

PDXDEN

Portland

sáb. 5/31

6:35 am-10:13 am

Nonstop2h 38m

Denver Intl

mar. 6/3

11:40 am-1:10 pm

Nonstop2h 30m

$163

PortlandDenver

PDX - DEN

PDXDEN

Portland

mar. 5/13

12:50 pm-4:20 pm

Nonstop2h 30m

Denver Intl

mar. 5/20

5:15 pm-11:25 pm

1 stop7h 10m

$187

PortlandDenver

PDX - DEN

PDXDEN

Portland

mar. 5/13

7:45 am-11:21 am

Nonstop2h 36m

Denver Intl

mar. 5/20

6:00 am-10:53 am

1 stop5h 53m

$204

PortlandDenver

PDX - DEN

PDXDEN

Portland

mar. 5/13

1:21 pm-9:47 pm

1 stop7h 26m

Denver Intl

vie. 5/16

5:30 am-8:42 am

1 stop4h 12m

$207

PortlandDenver

PDX - DEN

PDXDEN

Portland

mar. 5/6

10:35 am-5:38 pm

1 stop6h 03m

Denver Intl

sáb. 5/10

8:20 am-10:02 am

Nonstop2h 42m

$227

PortlandDenver

PDX - DEN

PDXDEN

Portland

jue. 6/26

11:59 pm-4:31 pm

1 stop15h 32m

Denver Intl

dom. 6/29

6:15 am-10:46 pm

1 stop17h 31m

$289

PortlandDenver

PDX - DEN

PDXDEN

Portland

jue. 5/15

5:00 am-8:37 am

Nonstop2h 37m

Denver Intl

dom. 5/18

8:00 am-9:46 am

Nonstop2h 46m

$304

PortlandDenver

PDX - DEN

PDXDEN

Portland

jue. 5/22

5:45 pm-9:29 pm

Nonstop2h 44m

$87

PortlandDenver

PDX - DEN

PDXDEN

Portland

mar. 5/20

2:30 pm-6:09 pm

Nonstop2h 39m

$89

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 17 results

Compare providers for flights from Portland to Denver

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Denver in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
CheapOair	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Portland-Denver flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Portland-Denver flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Portland-Denver flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Portland-Denver flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Portland to Denver flights

Cheapflights partnered with top experts to bring you the best recommendations for your Portland to Denver trip

Airlines

Frontier

Frontier offers extra comfort seats with 32” separation for a fee, enhancing travel comfort.

Frontier's Zone 1 boarding available with carry-on purchase or special fare bundle.

Read more about Frontierby Marisa Garcia

United Airlines

United's Economy Plus offers extra legroom seats towards the front of the economy cabin.

United's MileagePlus program allows pooling miles, useful for family travel.

Read more about United Airlinesby Harriet Baskas

Airports

PDX

PDX offers Express Lanes for expedited security. First and business class tickets, elite status, and military personnel can access this lane.

DEN

Take the A Line train from DEN to Union Station for a 37-minute ride. It runs every 15 minutes and is cost-effective.

Our travel experts

Marisa Garcia

Expert on Frontier

Harriet Baskas

Expert on United Airlines

Brandon Schultz

Expert on PDX

Emily Zemler

Expert on DEN

Best time to book a flight from Portland to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Portland with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Denver

How far ahead should I book a flight from Portland to Denver?

The best time to book flights from Portland to Denver is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Portland to Denver?

Currently, October is the cheapest month in which you can book a flight from Portland to Denver (average of $197). Flying from Portland to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to DEN?

A simple way to save on the total cost of your ticket is to fly from Portland to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 51% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Portland to Denver?

Travelers seeking maximum savings on their Portland to Denver flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portland to Denver

The most flights from PDX to DEN are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Denver by month

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Portland to Denver have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,882 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,280 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,917 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,382 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,667 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What airports do I use to fly from Portland to Denver?
If you book a flight from Portland to Denver, you will be flying from Portland to Denver Intl. Flights to Denver Intl (DEN) from Portland (PDX) take 2h 32m for a nonstop flight. There are 12 flights from Portland to Denver per day from 6 airlines.
How popular is this Portland to Denver flight route?
This flight path from Portland to Denver Intl was viewed by 281 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines flying from Portland to Denver round-trip?
Cheapflights users have booked flights from Portland to Denver round-trip from $135. Other airlines that can offer you cheap pricing are Alaska Airlines, from $187, and Southwest, from $192. Users have found that Frontier is 27% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Portland to Denver one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $86. However, be on the lookout for offers from Alaska Airlines and Southwest, as they are both options that can get you from Portland to Denver for a low price.
What are the most reliable airlines from Portland to Denver?
The top 3 most reliable airlines when flying from Portland to Denver are Sun Country Air (100%), Alaska Airlines (95%) and Hawaiian Airlines (95%).
What are the cheapest flights from Portland to Denver?
While on average a flight from Portland to Denver is generally $858, our data shows the cheapest flight currently is $88. When looking at the most popular route, (Portland - Denver Intl), you can expect to pay $154 for that flight.
Can I find deals for flights from Portland to Denver that include hotel bookings?
Yes. In addition to deals on Portland to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Denver?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Denver.
Can I find deals for business class flights from Portland to Denver?
Yes. Cheapflights offers flight deals from Portland to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portland to Denver?
Currently, October is the cheapest month in which you can book a flight from Portland to Denver (average of $197). Flying from Portland to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to Denver

Top 6 airlines flying from Portland to Denver

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$55	Average$118	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$94	Average$233	FlexibilityNo cancel fee	On-time85%
Alaska Airlines	Cheapest$149	Average$259	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$150	Average$312	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$157	Average$240	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$176	Average$281	FlexibilityNo cancel fee	On-timeN/A

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$86+ Cheap flights from Portland to Denver (PDX - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Denver with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Portland to Denver Intl are usually found in September or October, booked 30 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Portland to Denver

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Portland to Denver

Cheapest flights from Portland to DenverExplore the most affordable flight options available from Portland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

Explore the most affordable flight options available from Portland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Denver that are best for you.

Compare providers for flights from Portland to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Denver in April.

The best insider tips for Portland to Denver flights

Cheapflights partnered with top experts to bring you the best recommendations for your Portland to Denver trip

Airlines

Frontier

United Airlines

Airports

PDX

DEN

Our travel experts

Best time to book a flight from Portland to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Portland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portland to Denver

How far ahead should I book a flight from Portland to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Denver. Price data was last updated on April 11, 2025.

What is the cheapest month to book a flight from Portland to Denver?

What is the cheapest time of day to fly from PDX to DEN?

Find hourly flight availability from Portland to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

What is the cheapest day to fly from Portland to Denver?

Use this chart to determine the cheapest time to fly round-trip from Portland to Denver. Price data was last updated on March 30, 2025.

Weekly flight availability from Portland to Denver

Explore weekly flight availability from Portland to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated abril 17, 2025.

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

Reviews of airlines servicing Denver

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Portland to Denver have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portland to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Portland to Denver?

How popular is this Portland to Denver flight route?

What are the cheapest airlines flying from Portland to Denver round-trip?

What are the cheapest airlines to fly from Portland to Denver one-way?

What are the most reliable airlines from Portland to Denver?

What are the cheapest flights from Portland to Denver?

Can I find deals for flights from Portland to Denver that include hotel bookings?

How can I find direct flights from Portland to Denver?

Can I find deals for business class flights from Portland to Denver?

What is the cheapest month to book a flight from Portland to Denver?

Traveling to a place near Portland?

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Alternative routes for Portland to Denver

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Portland to Denver

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Cheapest flights from Portland to Denver
Explore the most affordable flight options available from Portland to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.