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$145+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PWM
dic. 12 — dic. 191
vie. 12/12
vie. 12/19
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 59 days in advance, depart on a Tuesday or Friday and return on a Friday

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 noviembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$269
(Kiwi.com)

One-way from

$145
(Southwest)

Popular in

February

Cheapest in

November

Average price

$368

Good round-trip deal

$294 or less

Good one-way deal

$358 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
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Highest demand for flights based on searches. 7% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 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 noviembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 11/10. 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.
mar. 12/211:59 pmDEN - PWM
1 stop7h 11mUnited Airlines
mié. 12/106:00 amPWM - DEN
1 stop8h 04mUnited Airlines
Deal found 11/10$289
This American Airlines deal was found by Cheapflights users on 11/10. 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.
mar. 12/210:26 amDEN - PWM
2 stops11h 15mAmerican Airlines
dom. 12/76:00 amPWM - DEN
1 stop7h 11mAmerican Airlines
Deal found 11/10$294
This American Airlines deal was found by Cheapflights users on 11/10. 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.
mar. 12/212:26 pmDEN - PWM
2 stops9h 15mAmerican Airlines
mié. 12/1012:23 pmPWM - DEN
2 stops11h 59mAmerican Airlines
Deal found 11/10$299
This American Airlines deal was found by Cheapflights users on 11/11. 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.
mié. 11/2612:12 pmDEN - PWM
1 stop8h 34mAmerican Airlines
mar. 12/26:36 pmPWM - DEN
1 stop7h 12mAmerican Airlines
Deal found 11/11$324
This American Airlines deal was found by Cheapflights users on 11/11. 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.
mié. 12/39:11 amDEN - PWM
2 stops11h 41mAmerican Airlines
dom. 12/75:34 amPWM - DEN
2 stops12h 14mAmerican Airlines
Deal found 11/11$334
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/112:59 amDEN - PWM
2 stops31h 37mMultiple Airlines
mié. 12/1011:16 amPWM - DEN
1 stop13h 48mMultiple Airlines
Deal found 11/10$340
This American Airlines deal was found by Cheapflights users on 11/9. 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.
mié. 12/316:44 amDEN - PWM
2 stops14h 07mAmerican Airlines
dom. 1/45:20 pmPWM - DEN
2 stops10h 42mAmerican Airlines
Deal found 11/9$362
This United Airlines deal was found by Cheapflights users on 11/11. 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.
mié. 12/241:47 pmDEN - PWM
1 stop7h 35mUnited Airlines
dom. 12/285:30 amPWM - DEN
1 stop8h 30mUnited Airlines
Deal found 11/11$369
This Southwest deal was found by Cheapflights users on 11/10. 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.
mar. 12/305:05 amDEN - PWM
1 stop7h 35mSouthwest
sáb. 1/35:15 amPWM - DEN
1 stop7h 20mSouthwest
Deal found 11/10$383
This Delta deal was found by Cheapflights users on 11/11. 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.
mié. 11/266:15 amDEN - PWM
1 stop7h 50mDelta
jue. 12/42:34 pmPWM - DEN
1 stop22h 19mDelta
Deal found 11/11$387

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 noviembre 12, 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

mar. 12/9

6:46 am-4:03 pm

1 stop7h 17m

Portland

mar. 12/16

6:08 am-2:07 pm

1 stop9h 59m

$289

DenverPortland

DEN - PWM

DENPWM

Denver Intl

mar. 12/2

11:59 pm-9:10 am

1 stop7h 11m

Portland

mié. 12/10

6:00 am-12:04 pm

1 stop8h 04m

$289

DenverPortland

DEN - PWM

DENPWM

Denver Intl

mié. 12/3

11:34 am-10:23 pm

1 stop8h 49m

Portland

dom. 12/7

6:08 am-12:11 pm

1 stop8h 03m

$289

DenverPortland

DEN - PWM

DENPWM

Denver Intl

mar. 12/9

7:00 am-2:55 pm

1 stop5h 55m

Portland

mar. 12/16

5:30 am-1:30 pm

2 stops10h 00m

$294

DenverPortland

DEN - PWM

DENPWM

Denver Intl

mar. 2/10

2:25 pm-10:15 pm

1 stop5h 50m

Portland

sáb. 2/28

2:00 pm-8:00 pm

1 stop8h 00m

$313

DenverPortland

DEN - PWM

DENPWM

Denver Intl

mié. 12/24

1:47 pm-11:22 pm

1 stop7h 35m

Portland

dom. 12/28

5:30 am-12:00 pm

1 stop8h 30m

$369

DenverPortland

DEN - PWM

DENPWM

Denver Intl

mar. 12/30

5:05 am-2:40 pm

1 stop7h 35m

Portland

sáb. 1/3

5:15 am-1:05 pm

2 stops9h 50m

$388

DenverPortland

DEN - PWM

DENPWM

Denver Intl

mié. 11/26

9:55 am-3:38 pm

Nonstop3h 43m

Portland

mié. 12/3

6:00 am-1:58 pm

1 stop9h 58m

$394

DenverPortland

DEN - PWM

DENPWM

Denver Intl

lun. 11/17

10:05 am-3:48 pm

Nonstop3h 43m

Portland

lun. 11/24

3:20 pm-6:21 pm

Nonstop5h 01m

$399

DenverPortland

DEN - PWM

DENPWM

Denver Intl

jue. 11/27

6:00 am-2:12 pm

1 stop6h 12m

Portland

jue. 12/4

10:35 am-4:33 pm

1 stop7h 58m

$404

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 21 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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Portland, Maine flight deals on Cheapflights vs. eDreams >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 November 7, 2025.

Booking 59 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 $98). Flying from Denver to Portland, Maine in June is currently the most expensive (average of $173). 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 noviembre 12, 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 evening could potentially save you up to 39% 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 November 2, 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. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 noviembre 12, 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
4,235 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,009 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,015 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,049 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,907 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Denver to Portland, Maine?

    Delta, United Airlines, and Southwest can get you from Denver to Portland, Maine in just under 5h 55m. Your travel time can differ by up to 1h 22m. Airlines will cover a distance of 1776 mi. This flight may include one or multiple stops.

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

    According to our current data, Frontier ($129), American Airlines ($192), and JetBlue ($249) offers the cheapest pricing from Denver to Portland, Maine. These flights start at 71% 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 United Airlines, which is currently one of the cheapest options available, starting at $169. American Airlines flights start at $174 while deals on Southwest start at $174 one-way.

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

    On average you can expect to pay $666 for a flight from Denver to Portland, Maine. The cheapest flight overall is $269 while the most popular route, (Denver Intl - Portland) is currently priced at $269.

  • 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 $98). Flying from Denver to Portland, Maine in June is currently the most expensive (average of $173). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Brunswick
Auburn
Conway

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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 noviembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$129Average$232FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$192Average$364FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$249Average$310FlexibilityNo cancel feeOn-time62%
DeltaCheapest$249Average$317FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$274Average$447FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$288Average$569FlexibilityNo cancel feeOn-time69%

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