Cheap flights from Portland to Denver (PWM - DEN) from $75

This is the cheapest one-way flight price, found on 9/25. Prices may vary by date and flight preferences.
PWM — DEN
Oct 1 — Oct 81

The best prices from Portland to Denver Intl are usually found in January or February, booked 53 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

How to find the cheapest flight from Portland (PWM) to Denver (DEN)

All the information you need to plan the best PWM to DEN flight in 2023: compare Portland to Denver flight prices with the expected peak season, weather and rainfall in Denver.

Popular in

June

Cheapest in

January

Average price

$468

Round-trip from

$197
High demand for flights, 21% potential price rise
Best time to find cheap flights, 30% potential price drop
Average for round-trip flights in September 2023
From Portland to Denver Intl

PWM - DEN

Price

$197 - $395

DEN

Temperature

30.2 - 73.4 °F

DEN

Rainfall

0.5 - 2.3 inches

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

Tuesday is generally a great day to depart. Flying on this day could help you save up to 61%.

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

Users have found that booking a flight from Portland, Maine to Denver at least 54 days early can save you up to 17% on average compared to booking a flight this week. If booking 54 days before your flight isn’t an option for you, users have found flights from Portland, Maine to Denver for as little as $586 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $652 for flights departing within the next 3 days.

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

January can be a great time to fly to Denver from Portland, Maine with a flight ticket averaging about $502. Cheapflights users have found deals in the month of January for as cheap as $244. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Portland, Maine to Denver (PWM - DEN)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 31% on flights from Portland, Maine to Denver by exploring options for tickets at noon.

Cheap Delta flights from Portland to Denver

Take a peek at the cheapest Delta flights we've detected traveling from Portland to Denver. Make sure to check back often as deals are often changing.

Cheap Frontier flights from Portland to Denver

Some of the lowest-priced Frontier flights we've found at this time heading from Portland to Denver. Deals are refreshing constantly so come back soon for more options.

Cheap Portland to Denver flights in September & October 2023

The best prices found for PWM to DEN flights for September, October
Scroll through some of the best deals on flights from Portland to Denver in 2023. Check back regularly for other flight deals.

Portland to Denver 2023 flight deals

Cheap flights to Denver from Portland found for this year
Scroll through some of the best deals on flights from Portland to Denver in 2023. Check back regularly for other flight deals.

Portland to Denver flights leaving soon

Late deals on return flights to Denver from Portland, departing today and this week
Book one of these great deals on flights from Portland to Denver. To prevent any unwanted surprises, users should verify their flight info before booking.

One-way flights to Denver from Portland

The cheapest one-way flights from Portland to Denver
Some of the best available deals we've found on one-way flights from Portland to Denver. Those needing a return flight from Portland to Denver can use the search form above.

Find flights from Portland to Denver within your budget

Use the slider to find flights from Portland to Denver that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$138 - $347

Route

Depart

Return

Price

PortlandDenver Intl

PWM - DEN

PWMDEN

Portland

Thu 10/26

1 stop18h 49m

Denver Intl

Fri 10/27

1 stop16h 38m

PortlandDenver Intl

PWM - DEN

PWMDEN

Portland

Wed 10/18

1 stop23h 07m

Denver Intl

Sun 10/22

1 stop14h 58m

PortlandDenver Intl

PWM - DEN

PWMDEN

Portland

Thu 10/26

1 stop18h 49m

Denver Intl

Fri 10/27

1 stop29h 57m

PortlandDenver Intl

PWM - DEN

PWMDEN

Portland

Sat 10/14

1 stop25h 26m

Denver Intl

Fri 10/20

1 stop8h 08m

PortlandDenver Intl

PWM - DEN

PWMDEN

Portland

Fri 10/27

1 stop17h 12m

Denver Intl

Sat 10/28

1 stop17h 17m

PortlandDenver Intl

PWM - DEN

PWMDEN

Portland

Wed 10/25

1 stop9h 24m

Denver Intl

Sun 10/29

1 stop12h 08m

PortlandDenver Intl

PWM - DEN

PWMDEN

Portland

Thu 10/26

2 stops9h 46m

Denver Intl

Sat 10/28

1 stop6h 49m

PortlandDenver Intl

PWM - DEN

PWMDEN

Portland

Wed 2/21

1 stop8h 18m

Denver Intl

Tue 2/27

1 stop8h 29m

PortlandDenver Intl

PWM - DEN

PWMDEN

Portland

Fri 10/13

1 stop8h 37m

Denver Intl

Tue 10/24

1 stop7h 09m

Flights are sorted by cheapest first

Deals found on 9/25

Reviews of airlines servicing Denver

Read through reviews of airlines operating flights from Portland to Denver, such as Delta, Frontier and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
3,021 reviews

Boarding

8.0

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Delta
7.9
Good
3,021 reviews
Delta
7.9
Good
3,021 reviews

Boarding

8.0

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

United Airlines
7.4
Good
1,890 reviews
Delta
7.9
Good
3,021 reviews

Boarding

8.0

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,021 reviews

Boarding

8.0

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

JetBlue
7.2
Good
781 reviews
Delta
7.9
Good
3,021 reviews

Boarding

8.0

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Frontier
5.8
Fair
762 reviews
Delta
7.9
Good
3,021 reviews

Boarding

8.0

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Related info for your journey

Useful info, stats and facts about Portland to Denver flights.

Can I find flights from Portland, Maine to Denver for under $200 on Cheapflights?

Yes, there are multiple flights from Portland, Maine to Denver for under $200. The cheapest flight booked recently is on Frontier for just $138, but on average you can expect to pay $194.

Are there last-minute flights available from Portland, Maine to Denver for under $400?

There are currently 16+ open flights from Portland, Maine to Denver within the next 7 days for less than $400.

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

According to our current data, Frontier ($138), American Airlines ($210), and Delta ($237) offers the cheapest pricing from Portland, Maine to Denver. You may be able to fly from Portland, Maine to Denver for 72% less than the average price by searching for these airlines.

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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $75. JetBlue flights start at $93 while deals on Delta start at $119 one-way.

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

What are the cheapest flights from Portland, Maine to Denver?

While on average a flight from Portland, Maine to Denver is generally $647, our data shows the cheapest flight currently is $407. When looking at the most popular route, (Portland - Denver Intl), you can expect to pay $185 for that flight.

What does PWM to DEN mean?

Great question - PWM to DEN just means Portland Airport to Denver Intl Airport. Now you’ll know what these unique codes when you look for flights!

Top 5 airlines flying from Portland to Denver

The chart below displays the airlines Cheapflights users traveling from Portland to Denver choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$120Average$208FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapest$176Average$338FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
American AirlinesCheapest$221Average$456FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$237Average$418FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$246Average$583FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Hourly flight availability from Portland to Denver

See what time of day planes typically take off from Portland to Denver
100%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Fly with Cheapflights

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How does Cheapflights help users find flights from Portland to Denver?

Cheapflights helps you search for flights from Portland to Denver via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portland to Denver?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portland to Denver for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Portland to Denver with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portland to Denver, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Portland to Denver become cheaper?

Yes, Cheapflights has a feature called Price Alert, which essentially offers users the ability to be notified when flight prices change. Track prices for your flight to Denver from Portland today and book when you’re ready!

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