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$454+ Cheap flights from Duluth to Portland, ME (DLH - PWM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — PWM
nov. 27 — déc. 41
jeu. 11/27
jeu. 12/4
1 adult, Economy
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Cheap flight deals from Duluth to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Duluth (DLH) 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 octobre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$454
(United Airlines)

Popular in

December

Cheapest in

June

Average price

$513
Provider with most accurate pricing for Duluth Intl-Portland flight deals.
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Provider most trusted by Cheapflights users for Duluth Intl-Portland flights.
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From Duluth Intl to Portland
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Highest demand for flights based on searches. 12% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Duluth to Portland

Best flights from Duluth to Portland
Discover carefully curated flight deals from Duluth to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated octobre 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/25. 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.
mer. 3/411:20 amDLH - PWM
2 stops11h 00mUnited Airlines
sam. 3/76:00 amPWM - DLH
2 stops9h 33mUnited Airlines
Deal found 10/25$454

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duluth 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 octobre 28, 2025.
Use the filters below to find and compare flights from Duluth to Portland that are best for you.

Fly from

Duluth

Fly to

Portland

Route

Depart

Return

Price

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

mer. 3/4

11:20 am-11:20 pm

2 stops11h 00m

Portland

sam. 3/7

6:00 am-2:33 pm

2 stops9h 33m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Compare providers for flights from Duluth 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 Duluth to Portland in October.
ProviderPrice AccuracyTrust Score*
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 Duluth-Portland, Maine flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Duluth-Portland, Maine flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Duluth-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Duluth-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 Duluth-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 Duluth to Portland

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

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

Currently, June is the cheapest month in which you can book a flight from Duluth to Portland, Maine (average of $111). Flying from Duluth to Portland, Maine in December is currently the most expensive (average of $936). 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.

How much does it cost to fly round-trip from Duluth 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 octobre 28, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Duluth to Portland to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Duluth 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 Duluth to Portland, Maine?

    For as low as $454, United Airlines can have you in Portland, Maine from Duluth in 11h. There are 1083 mi between Duluth and Portland, Maine.

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

    Delta, at $224, was found to be the cheapest airline from Duluth to Portland, Maine. An alternate airline flying to your destination would be United Airlines. Users have found that Delta is 54% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Duluth to Portland, Maine (average of $111). Flying from Duluth to Portland, Maine in December is currently the most expensive (average of $936). 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 2 airlines flying from Duluth to Portland

Discover the top 2 airlines that operate flights from Duluth 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 octobre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$224Average$388FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$358Average$497FlexibilityNo cancel feeOn-time69%

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