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$129+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — PWM
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 Saturday or Tuesday and return on a Thursday

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 August 1, 2025.

Round-trip from

$284
(JetBlue)

One-way from

$129
(Frontier)

Popular in

February

Cheapest in

November

Average price

$458

Good round-trip deal

$447 or less

Good one-way deal

$332 or less
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 ($33 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 August 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 August 1, 2025.

This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/812:23 amDEN - PWM
1 stop15h 50mFrontier
Sat 8/166:58 pmPWM - DEN
1 stop15h 04mFrontier
Deal found 7/30$265
This JetBlue deal was found by Cheapflights users on 7/31. 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.
Fri 9/511:25 amDEN - PWM
1 stop8h 37mJetBlue
Fri 9/122:17 pmPWM - DEN
1 stop22h 23mJetBlue
Deal found 7/31$284
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 9/207:00 amDEN - PWM
1 stop8h 55mAmerican Airlines
Sat 10/45:10 pmPWM - DEN
1 stop6h 57mAmerican Airlines
Deal found 7/31$289
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 9/69:55 amDEN - PWM
Nonstop3h 55mUnited Airlines
Wed 9/106:23 pmPWM - DEN
1 stop6h 50mUnited Airlines
Deal found 7/29$304
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:13 pmDEN - PWM
1 stop15h 32mSun Country Air
Thu 8/2111:42 amPWM - DEN
1 stop8h 13mSun Country Air
Deal found 7/30$309
This Southwest deal was found by Cheapflights users on 7/31. 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.
Mon 9/811:40 pmDEN - PWM
1 stop8h 10mSouthwest
Mon 9/155:50 amPWM - DEN
1 stop10h 00mSouthwest
Deal found 7/31$312
This Delta deal was found by Cheapflights users on 7/31. 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.
Tue 8/195:45 amDEN - PWM
1 stop8h 25mDelta
Thu 8/212:36 pmPWM - DEN
1 stop10h 13mDelta
Deal found 7/31$313

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 August 1, 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

Fri 9/5

11:25 am-10:02 pm

1 stop8h 37m

Portland

Fri 9/12

2:17 pm-10:40 am

1 stop22h 23m

$284

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Sat 9/20

7:00 am-5:55 pm

1 stop8h 55m

Portland

Sat 10/4

5:10 pm-10:07 pm

1 stop6h 57m

$289

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Sat 9/6

9:55 am-3:50 pm

Nonstop3h 55m

Portland

Wed 9/10

6:23 pm-11:13 pm

1 stop6h 50m

$304

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Thu 8/14

6:13 pm-11:45 am

1 stop15h 32m

Portland

Thu 8/21

11:42 am-5:55 pm

1 stop8h 13m

$309

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Mon 9/8

11:40 pm-9:50 am

1 stop8h 10m

Portland

Mon 9/15

5:50 am-1:50 pm

1 stop10h 00m

$312

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Tue 8/19

5:45 am-4:10 pm

1 stop8h 25m

Portland

Thu 8/21

2:36 pm-10:49 pm

1 stop10h 13m

$313

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Fri 8/29

12:19 am-12:46 pm

1 stop10h 27m

$129

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Thu 10/23

11:25 am-10:02 pm

1 stop8h 37m

$134

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Sat 8/23

10:00 am-11:44 am

1 stop23h 44m

$138

DenverPortland

DEN - PWM

DENPWM

Denver Intl

Fri 9/5

2:15 pm-11:20 pm

1 stop7h 05m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 13 results
1
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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 July 25, 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 August 1, 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 45% 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 July 27, 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. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to Portland, Maine

Explore weekly flight availability from Denver to Portland. 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 August 1, 2025.

The most flights from DEN to PWM are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Denver to Portland, Maine?

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 August 1, 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
4,246 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,900 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
JetBlue
7.3
Good
2,914 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 airports do I use to fly from Denver to Portland?

    If you wish to fly to Portland from Denver, then you need to book flights from Denver Intl to Portland. There is 1 flight from Denver Intl (DEN) to Portland (PWM) per day to choose from. Flights to Portland from Denver Intl are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 3h 43m is how long a nonstop flight from Denver to Portland typically takes.

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

    According to our current data, JetBlue ($284), American Airlines ($289), and United Airlines ($304) offers the cheapest pricing from Denver to Portland, Maine. These flights start at 37% 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 Frontier, which is currently one of the cheapest options available, starting at $129. JetBlue flights start at $134 while deals on Sun Country Air start at $138 one-way.

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

    On average you can expect to pay $665 for a flight from Denver to Portland, Maine. The cheapest flight overall is $273 while the most popular route, (Denver Intl - Portland) is currently priced at $278.

  • 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Brunswick
North Conway
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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$158Average$250FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$212Average$357FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$332FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$249Average$315FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$279Average$450FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$312Average$586FlexibilityNo cancel feeOn-time69%

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