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$474+ Cheap flights from Duluth to Portland, ME (DLH - 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
DLH — PWM
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Duluth to Portland

Cheapest flights from Duluth to Portland
Explore the most affordable flight options available from Duluth to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 1/273:05 pm
DLH
-
PWM
2 stops22h 26m
United Airlines
Sat 1/314:10 pm
PWM
-
DLH
1 stop6h 49m
United Airlines
Deal found 1/26$646
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 2/117:40 am
DLH
-
PWM
1 stop5h 59m
United Airlines
Sun 2/156:00 am
PWM
-
DLH
2 stops29h 43m
United Airlines
Deal found 1/27$699

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

June
Provider with most accurate pricing for Duluth Intl-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Duluth Intl-Portland flights.
Search Deals
High demand for flights, 9% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Search Deals

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 January 27, 2026.
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

Wed 2/11

7:40 am-2:39 pm

1 stop5h 59m

Portland

Sun 2/15

6:00 am-10:43 am

2 stops29h 43m

$699

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 6/20

5:10 am-10:49 am

1 stop4h 39m

$474

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 6/20

11:26 am-10:44 am

2 stops22h 18m

$477

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sun 6/21

5:10 am-10:49 am

1 stop4h 39m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • Most accurate provider: When it comes to deals on Duluth-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Duluth-Portland, Maine flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March is currently the most expensive (average of $438). 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.

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 January 27, 2026.
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
8,119 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,119 reviews
Delta
7.9
Good
8,119 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,205 reviews
Delta
7.9
Good
8,119 reviews

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • 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 53% 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 March is currently the most expensive (average of $438). 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$224Average$353FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$358Average$522FlexibilityNo cancel feeOn-time69%

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