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Duluth

$303+ Cheap flights from Portland, ME to Duluth (PWM - DLH)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — DLH
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
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Cheap flight deals from Portland to Duluth

Cheapest flights from Portland to Duluth
Explore the most affordable flight options available from Portland to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. 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 10/146:00 am
PWM
-
DLH
1 stop5h 42m
United Airlines
Wed 10/283:06 pm
DLH
-
PWM
1 stop5h 45m
United Airlines
Deal found 7/27$318
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:52 pm
PWM
-
DLH
2 stops10h 05m
Delta
Sat 11/75:14 am
DLH
-
PWM
1 stop4h 36m
Delta
Deal found 7/29$344
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:01 am
PWM
-
DLH
2 stops10h 40m
Delta
Wed 10/285:14 am
DLH
-
PWM
2 stops6h 58m
Delta
Deal found 7/27$354
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 11/148:45 am
PWM
-
DLH
1 stop6h 45m
United Airlines
Wed 11/183:06 pm
DLH
-
PWM
1 stop5h 45m
United Airlines
Deal found 7/27$408
This Delta deal was found by Cheapflights users on 7/28. 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 10/136:50 pm
PWM
-
DLH
2 stops17h 54m
Delta
Wed 10/285:14 am
DLH
-
PWM
1 stop4h 36m
Delta
Deal found 7/28$438

Find flight deals from Portland to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Duluth (DLH). 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 July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$318
(United Airlines)

One-way from

$303
(Delta)
Provider with most accurate pricing for Portland-Duluth Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Duluth Intl flights.
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From Portland to Duluth Intl
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One-way flight from Portland to Duluth Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Duluth 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 July 30, 2026.
Use the filters below to find and compare flights from Portland to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Wed 10/14

6:00 am-10:42 am

1 stop5h 42m

Duluth Intl

Wed 10/28

3:06 pm-9:51 pm

1 stop5h 45m

$318

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Tue 10/13

6:50 pm-11:44 am

2 stops17h 54m

Duluth Intl

Wed 10/28

5:14 am-10:50 am

1 stop4h 36m

$438

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Thu 10/15

6:00 am-10:42 am

1 stop5h 42m

Duluth Intl

Wed 10/28

3:06 pm-9:51 pm

1 stop5h 45m

$469

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Thu 10/15

11:55 am-3:41 pm

1 stop4h 46m

Duluth Intl

Wed 10/28

5:14 am-1:12 pm

2 stops6h 58m

$479

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 11/14

8:45 am-5:38 pm

2 stops9h 53m

Duluth Intl

Wed 11/18

11:16 am-11:21 pm

2 stops11h 05m

$479

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 1/9

4:48 pm-11:04 pm

1 stop7h 16m

Duluth Intl

Tue 1/12

3:14 pm-9:27 pm

1 stop5h 13m

$489
Cheapest one-way

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Wed 10/14

7:58 am-2:29 pm

1 stop7h 31m

$303
Quickest one-way

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Wed 9/2

11:50 am-3:31 pm

1 stop4h 41m

$303

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Wed 9/2

7:40 am-2:29 pm

1 stop7h 49m

$303

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Thu 9/3

11:50 am-3:31 pm

1 stop4h 41m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Compare providers for flights from Portland to Duluth

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

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

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. 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 Duluth. Reviews last updated July 30, 2026.
Read reviews from past customers who have flown United Airlines from Portland to Duluth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,052 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,052 reviews
United Airlines
7.4
Good
10,052 reviews

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

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

    A quick flight from Portland, Maine to Duluth can take about 5h 42m. United Airlines provides one of the quickest options available for as low as $318. Airlines will cover a distance of 1083 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Portland, Maine to Duluth round-trip?

    Our cheapest airline available from Portland, Maine to Duluth is United Airlines. Our recent data shows that you can find tickets from as low as $328 on this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors

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Top airline flying from Portland to Duluth

Discover the top airline that operate flights from Portland to Duluth. 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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$328Average$393FlexibilityNo cancel feeOn-time69%

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