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Cheap flights from Portland, Maine to Duluth from $399

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Duluth departing on 5/30. 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
6:25 pm - 11:11 pm
PWM
-
DLH
5h 46m
1 stop
United Airlines Logo
11:18 am - 11:51 pm
DLH
-
PWM
11h 33m
2 stops
$399United Airlines
Sat, May 30 - Wed, Jun 3
United Airlines Logo
5:15 am - 2:26 pm
PWM
-
DLH
10h 11m
2 stops
United Airlines Logo
11:18 am - 11:51 pm
DLH
-
PWM
11h 33m
2 stops
$404United Airlines
Sat, May 30 - Wed, Jun 3
United Airlines Logo
4:56 pm - 11:11 pm
PWM
-
DLH
7h 15m
1 stop
United Airlines Logo
6:25 pm - 10:07 am
DLH
-
PWM
14h 42m
2 stops
$608United Airlines
Wed, May 27 - Sun, May 31
United Airlines Logo
4:56 pm - 11:11 pm
PWM
-
DLH
7h 15m
1 stop
United Airlines Logo
7:06 am - 9:51 pm
DLH
-
PWM
13h 45m
1 stop
$610United Airlines
Fri, May 29 - Tue, Jun 2
United Airlines Logo
2:20 pm - 11:11 pm
PWM
-
DLH
9h 51m
2 stops
United Airlines Logo
6:25 pm - 7:27 pm
DLH
-
PWM
24h 02m
2 stops
$613United Airlines
Wed, May 27 - Sun, May 31
United Airlines Logo
4:56 pm - 11:11 pm
PWM
-
DLH
7h 15m
1 stop
United Airlines Logo
7:00 am - 2:26 pm
DLH
-
PWM
6h 26m
1 stop
$616United Airlines
Wed, May 27 - Sun, May 31
United Airlines Logo
3:16 pm - 11:11 pm
PWM
-
DLH
8h 55m
2 stops
United Airlines Logo
7:06 am - 1:25 pm
DLH
-
PWM
29h 19m
2 stops
$656United Airlines
Fri, May 29 - Tue, Jun 2
United Airlines Logo
5:03 pm - 11:11 pm
PWM
-
DLH
7h 08m
1 stop
United Airlines Logo
11:18 am - 9:51 pm
DLH
-
PWM
9h 33m
1 stop
$674United Airlines
Sat, May 30 - Wed, Jun 3
United Airlines Logo
5:00 pm - 11:23 pm
PWM
-
DLH
7h 23m
1 stop
United Airlines Logo
3:03 pm - 9:51 pm
DLH
-
PWM
5h 48m
1 stop
$675United Airlines
Thu, Jun 18 - Tue, Jun 23
United Airlines Logo
5:15 am - 2:26 pm
PWM
-
DLH
10h 11m
3 stops
United Airlines Logo
5:00 am - 6:25 pm
DLH
-
PWM
12h 25m
2 stops
$686United Airlines
Wed, May 27 - Sun, May 31

Delta flights from Portland, Maine to Duluth

Our best Delta deals on Portland, Maine to Duluth flight tickets
Delta
Aug 1
PWM6:25 amPortland
10h 22m
2 stops
DLH3:47 pmDuluth Intl
Aug 8
DLH5:15 amDuluth Intl
4h 30m
1 stop
PWM10:45 amPortland
$1,034
Delta
Jun 26
PWM12:40 pmPortland
11h 10m
2 stops
DLH10:50 pmDuluth Intl
Jul 3
DLH4:07 pmDuluth Intl
7h 45m
2 stops
PWM12:52 amPortland
$1,434
Delta
Jun 26
PWM12:40 pmPortland
7h 44m
2 stops
DLH7:24 pmDuluth Intl
Jul 1
DLH5:00 amDuluth Intl
8h 19m
2 stops
PWM2:19 pmPortland
$1,613

United Airlines flights from Portland, Maine to Duluth

Our best United Airlines deals on Portland, Maine to Duluth flight tickets
United Airlines
May 30
PWM6:25 pmPortland
5h 46m
1 stop
DLH11:11 pmDuluth Intl
Jun 3
DLH11:18 amDuluth Intl
11h 33m
2 stops
PWM11:51 pmPortland
$399
United Airlines
May 30
PWM5:15 amPortland
10h 11m
2 stops
DLH2:26 pmDuluth Intl
Jun 3
DLH11:18 amDuluth Intl
11h 33m
2 stops
PWM11:51 pmPortland
$404
United Airlines
May 27
PWM4:56 pmPortland
7h 15m
1 stop
DLH11:11 pmDuluth Intl
May 31
DLH6:25 pmDuluth Intl
14h 42m
2 stops
PWM10:07 amPortland
$608

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 May 15, 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

Sat 5/30

6:25 pm-11:11 pm

1 stop5h 46m

Duluth Intl

Wed 6/3

11:18 am-11:51 pm

2 stops11h 33m

$399

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 5/30

5:15 am-2:26 pm

2 stops10h 11m

Duluth Intl

Wed 6/3

11:18 am-11:51 pm

2 stops11h 33m

$404

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Wed 5/27

4:56 pm-11:11 pm

1 stop7h 15m

Duluth Intl

Sun 5/31

6:25 pm-10:07 am

2 stops14h 42m

$608

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Fri 5/29

4:56 pm-11:11 pm

1 stop7h 15m

Duluth Intl

Tue 6/2

7:06 am-9:51 pm

1 stop13h 45m

$610

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Wed 5/27

2:20 pm-11:11 pm

2 stops9h 51m

Duluth Intl

Sun 5/31

6:25 pm-7:27 pm

2 stops24h 02m

$613

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Wed 5/27

4:56 pm-11:11 pm

1 stop7h 15m

Duluth Intl

Sun 5/31

7:00 am-2:26 pm

1 stop6h 26m

$616

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Fri 5/29

3:16 pm-11:11 pm

2 stops8h 55m

Duluth Intl

Tue 6/2

7:06 am-1:25 pm

2 stops29h 19m

$656

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 5/30

5:03 pm-11:11 pm

1 stop7h 08m

Duluth Intl

Wed 6/3

11:18 am-9:51 pm

1 stop9h 33m

$674
Quickest round-trip

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Thu 6/18

5:00 pm-11:23 pm

1 stop7h 23m

Duluth Intl

Tue 6/23

3:03 pm-9:51 pm

1 stop5h 48m

$675

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Wed 5/27

5:15 am-2:26 pm

3 stops10h 11m

Duluth Intl

Sun 5/31

5:00 am-6:25 pm

2 stops12h 25m

$686

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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

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 46m

Direct flights

None
The fastest flight from Portland, Maine to Duluth takes 5h 46m
There are no direct flights from Portland, Maine to Duluth. There are no popular flight routes from Portland, Maine to Duluth.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Duluth

  • How far is Portland to Duluth Intl by plane?

    There are 1080.6 mi between Portland and Duluth Intl. 5h 46m 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
9,718 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
Cloquet
Hayward

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.

An easier way to manage your Duluth trip

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