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Cheap flights from Portland, Maine to Duluth from $490

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Duluth departing on 6/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland, Maine to Duluth

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:15 pm - 10:43 am
PWM
-
DLH
19h 28m
1 stop
United Airlines Logo
11:20 am - 11:20 pm
DLH
-
PWM
11h 00m
2 stops
$513United Airlines
mar., févr. 24 - sam., févr. 28
United Airlines Logo
6:00 am - 10:43 am
PWM
-
DLH
29h 43m
2 stops
United Airlines Logo
11:20 am - 11:20 pm
DLH
-
PWM
11h 00m
2 stops
$518United Airlines
mar., févr. 24 - sam., févr. 28
United Airlines Logo
4:15 pm - 10:43 am
PWM
-
DLH
19h 28m
1 stop
United Airlines Logo
7:50 am - 3:14 pm
DLH
-
PWM
6h 24m
1 stop
$522United Airlines
mar., févr. 24 - sam., févr. 28

United Airlines flights from Portland, Maine to Duluth

Our best United Airlines deals on Portland, Maine to Duluth flight tickets
United Airlines
Feb 10
PWM11:12 amPortland
11h 47m
2 stops
DLH9:59 pmDuluth Intl
Feb 14
DLH7:50 amDuluth Intl
6h 24m
1 stop
PWM3:14 pmPortland
$484
United Airlines
Feb 10
PWM11:12 amPortland
11h 47m
2 stops
DLH9:59 pmDuluth Intl
Feb 14
DLH11:20 amDuluth Intl
11h 00m
2 stops
PWM11:20 pmPortland
$489
United Airlines
Feb 10
PWM11:12 amPortland
11h 47m
2 stops
DLH9:59 pmDuluth Intl
Feb 14
DLH11:20 amDuluth Intl
11h 00m
2 stops
PWM11:20 pmPortland
$499

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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, momondo users made 832,500 searches. Data last updated février 9, 2026.
Use the filters below to find and compare flights from Portland, Maine to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandDuluth

PWM - DLH

PWMDLH

Portland

mar. 2/24

4:15 pm-10:43 am

1 stop19h 28m

Duluth Intl

sam. 2/28

11:20 am-11:20 pm

2 stops11h 00m

$513

PortlandDuluth

PWM - DLH

PWMDLH

Portland

mar. 2/24

6:00 am-10:43 am

2 stops29h 43m

Duluth Intl

sam. 2/28

11:20 am-11:20 pm

2 stops11h 00m

$518

PortlandDuluth

PWM - DLH

PWMDLH

Portland

mar. 2/24

4:15 pm-10:43 am

1 stop19h 28m

Duluth Intl

sam. 2/28

7:50 am-3:14 pm

1 stop6h 24m

$522

PortlandDuluth

PWM - DLH

PWMDLH

Portland

jeu. 6/18

4:50 pm-11:38 pm

2 stops7h 48m

$490

PortlandDuluth

PWM - DLH

PWMDLH

Portland

jeu. 6/18

6:25 pm-5:34 pm

1 stop24h 09m

$547

PortlandDuluth

PWM - DLH

PWMDLH

Portland

jeu. 6/18

5:20 am-12:43 am

3 stops20h 23m

$625

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Portland, Maine to Duluth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Portland, Maine to Duluth flights?

You could potentially save up to 13% on your flight if you consider stops on a Portland, Maine to Duluth flight.

When to book flights from Portland, Maine to Duluth

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Duluth according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Duluth (PWM to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Duluth

Fastest flight time

11h 47m

Direct flights

None
The fastest flight from Portland, Maine to Duluth takes 11h 47m
There are no direct flights from Portland, Maine to Duluth. There are no popular flight routes from Portland, Maine to Duluth.
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  • How far is Portland to Duluth Intl by plane?

    There are 1080.6 mi between Portland and Duluth Intl. 11h 47m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Portland Airport to Duluth Intl Airport?

    Prices for flights from Portland Airport to Duluth Intl Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Duluth Intl Airport?

  • How old do you have to be to fly from Portland Airport to Duluth Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Duluth Intl Airport.

  • What documentation or ID do you need to fly to Duluth Intl Airport?

    The required travel and health documents for your Duluth Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Duluth Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland, Maine to Duluth?

Best airlines flying from Portland, Maine to Duluth

Compare and see reviews for airlines that fly from Portland, Maine to Duluth with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $328Free CancellationRating
7.4
9,262 reviews
Search United Airlines flights

Traveling to a place near Duluth?

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

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Duluth?

Finding the right flight to Duluth from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Duluth quick and easy, saving you time and money.

Can I find flights from Portland to Duluth with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Duluth flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Duluth?

Once you have performed a search for Portland to Duluth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Portland to Duluth right now. Can momondo alert me if prices change?

Price alerts on flights to Duluth from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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