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Cheap flights from Portland, Maine to Duluth from $352

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
5:05 pm - 9:57 pm
PWM
-
DLH
5h 52m
1 stop
United Airlines Logo
6:15 pm - 10:12 am
DLH
-
PWM
14h 57m
1 stop
$573United Airlines
Tue, Aug 18 - Fri, Aug 21
United Airlines Logo
5:05 pm - 9:57 pm
PWM
-
DLH
5h 52m
1 stop
United Airlines Logo
6:15 pm - 2:35 pm
DLH
-
PWM
19h 20m
2 stops
$578United Airlines
Tue, Aug 18 - Fri, Aug 21
United Airlines Logo
5:15 am - 5:32 pm
PWM
-
DLH
13h 17m
2 stops
United Airlines Logo
6:15 pm - 2:35 pm
DLH
-
PWM
19h 20m
2 stops
$583United Airlines
Tue, Aug 18 - Fri, Aug 21
United Airlines Logo
4:50 pm - 10:04 pm
PWM
-
DLH
6h 14m
1 stop
United Airlines Logo
7:45 am - 2:14 pm
DLH
-
PWM
5h 29m
1 stop
$616United Airlines
Mon, May 4 - Tue, May 5
United Airlines Logo
4:50 pm - 10:04 pm
PWM
-
DLH
6h 14m
1 stop
United Airlines Logo
11:14 am - 11:59 pm
DLH
-
PWM
11h 45m
2 stops
$622United Airlines
Mon, May 4 - Tue, May 5
United Airlines Logo
5:30 am - 5:35 pm
PWM
-
DLH
13h 05m
2 stops
United Airlines Logo
11:14 am - 11:59 pm
DLH
-
PWM
11h 45m
2 stops
$755United Airlines
Mon, May 4 - Tue, May 5

Delta flights from Portland, Maine to Duluth

Our best Delta deals on Portland, Maine to Duluth flight tickets
Delta
Apr 7
PWM2:30 pmPortland
9h 17m
2 stops
DLH10:47 pmDuluth Intl
Apr 12
DLH5:00 amDuluth Intl
7h 50m
2 stops
PWM1:50 pmPortland
$1,039
Delta
Apr 7
PWM2:30 pmPortland
9h 17m
2 stops
DLH10:47 pmDuluth Intl
Apr 12
DLH5:00 amDuluth Intl
7h 50m
2 stops
PWM1:50 pmPortland
$1,059

United Airlines flights from Portland, Maine to Duluth

Our best United Airlines deals on Portland, Maine to Duluth flight tickets
United Airlines
Apr 7
PWM4:28 pmPortland
6h 38m
1 stop
DLH10:06 pmDuluth Intl
Apr 12
DLH7:25 amDuluth Intl
5h 55m
1 stop
PWM2:20 pmPortland
$493
United Airlines
Apr 7
PWM6:04 amPortland
5h 35m
1 stop
DLH10:39 amDuluth Intl
Apr 12
DLH3:08 pmDuluth Intl
5h 32m
1 stop
PWM9:40 pmPortland
$547
United Airlines
Apr 7
PWM6:00 amPortland
9h 27m
2 stops
DLH2:27 pmDuluth Intl
Apr 12
DLH3:08 pmDuluth Intl
5h 32m
1 stop
PWM9:40 pmPortland
$559

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 March 30, 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

Cheapest round-trip

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Tue 8/18

5:05 pm-9:57 pm

1 stop5h 52m

Duluth Intl

Fri 8/21

6:15 pm-10:12 am

1 stop14h 57m

$573

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Tue 8/18

5:05 pm-9:57 pm

1 stop5h 52m

Duluth Intl

Fri 8/21

6:15 pm-2:35 pm

2 stops19h 20m

$578

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Tue 8/18

5:15 am-5:32 pm

2 stops13h 17m

Duluth Intl

Fri 8/21

6:15 pm-2:35 pm

2 stops19h 20m

$583
Quickest round-trip

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Mon 5/4

4:50 pm-10:04 pm

1 stop6h 14m

Duluth Intl

Tue 5/5

7:45 am-2:14 pm

1 stop5h 29m

$616

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Mon 5/4

4:50 pm-10:04 pm

1 stop6h 14m

Duluth Intl

Tue 5/5

11:14 am-11:59 pm

2 stops11h 45m

$622

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Mon 5/4

5:30 am-5:35 pm

2 stops13h 05m

Duluth Intl

Tue 5/5

11:14 am-11:59 pm

2 stops11h 45m

$755
Cheapest one-way
Quickest one-way

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Thu 6/18

6:00 am-10:43 am

1 stop5h 43m

$352

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Thu 6/18

6:00 am-10:43 am

1 stop5h 43m

$392

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Thu 6/18

5:15 am-11:08 pm

3 stops18h 53m

$504

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Thu 6/18

5:15 am-11:08 pm

2 stops18h 53m

$537

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Duluth from

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

What is the typical price of a round-trip flight between Portland, Maine and Duluth?

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

You could potentially save up to 8% 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

5h 35m

Direct flights

None
The fastest flight from Portland, Maine to Duluth takes 5h 35m
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. 5h 35m 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 $351Free CancellationRating
7.4
9,514 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
Superior
Hayward
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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