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$120+ Cheap flights from Denver to Portland, ME (DEN - PWM)

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PWM
mai 19 — mai 261
lun. 5/19
lun. 5/26
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Portland are usually found in November or May, booked 82 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from Denver to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mai 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$265
(Sun Country Air)

One-way from

$120
(Cheapflightsfares)

Popular in

July

Cheapest in

November

Average price

$395

Good round-trip deal

$498 or less

Good one-way deal

$273 or less
Provider with most accurate pricing for Denver Intl-Portland flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Portland flights.
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From Denver Intl to Portland
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One-way flight from Denver Intl to Portland
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Denver Intl to Portland.
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Price to beat on a one-way flight from Denver Intl to Portland.
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Find flight deals from Denver to Portland

Cheapest flights from Denver to Portland
Explore the most affordable flight options available from Denver to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mai 14, 2025.

This Sun Country Air deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 6/285:01 pmDEN - PWM
1 stop16h 44mSun Country Air
ven. 7/1111:22 amPWM - DEN
1 stop24h 03mSun Country Air
Deal found 5/13$265
This JetBlue deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 6/1311:25 amDEN - PWM
1 stop10h 27mJetBlue
sam. 6/142:19 pmPWM - DEN
1 stop10h 40mJetBlue
Deal found 5/12$267
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 7/181:41 pmDEN - PWM
1 stop8h 50mDelta
lun. 7/216:53 pmPWM - DEN
1 stop7h 27mDelta
Deal found 5/14$273
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/2810:56 amDEN - PWM
2 stops10h 59mAmerican Airlines
lun. 6/24:01 pmPWM - DEN
1 stop7h 52mAmerican Airlines
Deal found 5/13$274
This CheapOair deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/1412:30 amDEN - PWM
1 stop17h 59mFrontier
dim. 5/188:23 pmPWM - DEN
1 stop29h 06mFrontier
Deal found 5/13$275
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/1511:59 pmDEN - PWM
1 stop8h 10mUnited Airlines
sam. 9/203:35 pmPWM - DEN
Nonstop4h 25mUnited Airlines
Deal found 5/13$279
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 9/147:15 amDEN - PWM
1 stop9h 55mSouthwest
ven. 9/192:00 pmPWM - DEN
2 stops8h 05mSouthwest
Deal found 5/13$284
This Mytrip deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 7/56:24 pmDEN - PWM
1 stop15h 11mMultiple Airlines
sam. 7/127:25 pmPWM - DEN
1 stop14h 37mMultiple Airlines
Deal found 5/12$332

Cheapflights Fare Finder

Customize your flight search to find flights from Denver to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mai 14, 2025.
Use the filters below to find and compare flights from Denver to Portland that are best for you.

Fly from

Denver

Fly to

Portland

Route

Depart

Return

Price

DenverPortland

DEN - PWM

DENPWM

Denver Intl

sam. 6/28

5:01 pm-11:45 am

1 stop16h 44m

Portland

ven. 7/11

11:22 am-9:25 am

1 stop24h 03m

$265

DenverPortland

DEN - PWM

DENPWM

Denver Intl

ven. 6/13

11:25 am-11:52 pm

1 stop10h 27m

Portland

sam. 6/14

2:19 pm-10:59 pm

1 stop10h 40m

$267

DenverPortland

DEN - PWM

DENPWM

Denver Intl

ven. 7/18

1:41 pm-12:31 am

1 stop8h 50m

Portland

lun. 7/21

6:53 pm-12:20 am

1 stop7h 27m

$273

DenverPortland

DEN - PWM

DENPWM

Denver Intl

mer. 5/28

10:56 am-11:55 pm

2 stops10h 59m

Portland

lun. 6/2

4:01 pm-9:53 pm

1 stop7h 52m

$274

DenverPortland

DEN - PWM

DENPWM

Denver Intl

lun. 9/15

11:59 pm-10:09 am

1 stop8h 10m

Portland

sam. 9/20

3:35 pm-6:00 pm

Nonstop4h 25m

$279

DenverPortland

DEN - PWM

DENPWM

Denver Intl

ven. 9/19

12:04 am-5:17 pm

1 stop15h 13m

Portland

sam. 10/4

6:12 pm-7:47 am

1 stop15h 35m

$280

DenverPortland

DEN - PWM

DENPWM

Denver Intl

dim. 9/14

7:15 am-7:10 pm

1 stop9h 55m

Portland

ven. 9/19

2:00 pm-8:05 pm

2 stops8h 05m

$284

DenverPortland

DEN - PWM

DENPWM

Denver Intl

sam. 7/5

6:24 pm-11:35 am

1 stop15h 11m

Portland

sam. 7/12

7:25 pm-8:02 am

1 stop14h 37m

$332

DenverPortland

DEN - PWM

DENPWM

Denver Intl

ven. 7/4

5:41 pm-11:57 am

1 stop16h 16m

$120

DenverPortland

DEN - PWM

DENPWM

Denver Intl

ven. 6/13

2:00 pm-12:26 am

1 stop8h 26m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 16 results
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Compare providers for flights from Denver to Portland

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 Denver to Portland in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust 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 Denver-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Portland, Maine flights, Cheapflights users trust eDreams the most. eDreams 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 Denver-Portland, Maine flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Denver 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 Denver to Portland

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Portland. Price data was last updated on May 9, 2025.

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Portland, Maine. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Denver to Portland, Maine (average of $296). Flying from Denver to Portland, Maine in July is currently the most expensive (average of $394). 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 DEN to PWM?

Find hourly flight availability from Denver to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mai 14, 2025.

One of the essential ways to save on airfare from Denver to Portland, Maine is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 43% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Denver to Portland. Price data was last updated on May 11, 2025.

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

Rainfall in Portland by month

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

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

Temperature in Portland by month

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

If weather is an important factor for your trip to Portland, Maine, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated mai 14, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Denver to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,290 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,290 reviews
Southwest
8.0
Very good
4,290 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,949 reviews
Southwest
8.0
Very good
4,290 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,726 reviews
Southwest
8.0
Very good
4,290 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,924 reviews
Southwest
8.0
Very good
4,290 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,290 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

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

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

    According to our current data, Sun Country Air ($265), JetBlue ($267), and American Airlines ($274) offers the cheapest pricing from Denver to Portland, Maine. These flights start at 41% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Sun Country Air, which is currently one of the cheapest options available, starting at $120. Frontier flights start at $122 while deals on Delta start at $129 one-way.

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

    On average you can expect to pay $699 for a flight from Denver to Portland, Maine. The cheapest flight overall is $225 while the most popular route, (Denver Intl - Portland) is currently priced at $247.

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

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

  • How can I find direct flights from Denver to Portland?

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

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

    Yes. Cheapflights offers flight deals from Denver to Portland 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 Denver to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Denver to Portland, Maine (average of $296). Flying from Denver to Portland, Maine in July is currently the most expensive (average of $394). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
North Conway
Bath
Brunswick
Auburn
Conway
Lewiston

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Top 6 airlines flying from Denver to Portland

Discover the top 6 airlines that operate flights from Denver to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mai 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$261FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$209Average$278FlexibilityNo cancel feeOn-time62%
DeltaCheapest$236Average$336FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$263Average$363FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$288Average$460FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$332Average$563FlexibilityNo cancel feeOn-time69%

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