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Cheap flights from Portland, Maine to Duluth from $304

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 7/22. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
5:08 pm - 11:22 pm
PWM
-
DLH
7h 14m
1 stop
United Airlines Logo
7:45 am - 2:38 pm
DLH
-
PWM
5h 53m
1 stop
$308United Airlines
Thu, Sep 24 - Tue, Oct 6
United Airlines Logo
5:08 pm - 11:22 pm
PWM
-
DLH
7h 14m
1 stop
United Airlines Logo
7:45 am - 7:24 pm
DLH
-
PWM
10h 39m
2 stops
$314United Airlines
Thu, Sep 24 - Tue, Oct 6
United Airlines Logo
5:15 am - 2:29 pm
PWM
-
DLH
10h 14m
2 stops
United Airlines Logo
3:10 pm - 11:59 pm
DLH
-
PWM
7h 49m
2 stops
$396United Airlines
Thu, Sep 24 - Tue, Oct 6
United Airlines Logo
5:08 pm - 11:04 pm
PWM
-
DLH
6h 56m
1 stop
United Airlines Logo
3:14 pm - 9:15 pm
DLH
-
PWM
5h 01m
1 stop
$398United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
5:08 pm - 11:04 pm
PWM
-
DLH
6h 56m
1 stop
United Airlines Logo
3:14 pm - 11:59 pm
DLH
-
PWM
7h 45m
2 stops
$404United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
6:00 am - 5:32 pm
PWM
-
DLH
12h 32m
2 stops
United Airlines Logo
7:35 am - 7:18 pm
DLH
-
PWM
10h 43m
2 stops
$409United Airlines
Sat, Nov 14 - Tue, Nov 17
Delta Logo
11:30 am - 3:44 pm
PWM
-
DLH
5h 14m
1 stop
Delta Logo
5:10 am - 10:55 am
DLH
-
PWM
4h 45m
1 stop
$467Delta
Mon, Oct 26 - Sat, Oct 31
Delta Logo
3:00 pm - 10:48 pm
PWM
-
DLH
8h 48m
2 stops
Delta Logo
5:10 am - 1:22 pm
DLH
-
PWM
7h 12m
2 stops
$478Delta
Mon, Oct 26 - Sat, Oct 31
United Airlines Logo
5:15 am - 5:34 pm
PWM
-
DLH
13h 19m
2 stops
United Airlines Logo
7:03 am - 9:41 pm
DLH
-
PWM
13h 38m
1 stop
$686United Airlines
Wed, Jul 22 - Sun, Jul 26
United Airlines Logo
6:00 am - 11:10 pm
PWM
-
DLH
18h 10m
1 stop
United Airlines Logo
3:10 pm - 9:23 pm
DLH
-
PWM
5h 13m
1 stop
$712United Airlines
Sun, Sep 13 - Sat, Sep 19

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Delta flights from Portland, Maine to Duluth

Our best Delta deals on Portland, Maine to Duluth flight tickets
Delta
Oct 26
PWM11:30 amPortland
5h 14m
1 stop
DLH3:44 pmDuluth Intl
Oct 31
DLH5:10 amDuluth Intl
4h 45m
1 stop
PWM10:55 amPortland
$467
Delta
Oct 26
PWM3:00 pmPortland
8h 48m
2 stops
DLH10:48 pmDuluth Intl
Oct 31
DLH5:10 amDuluth Intl
7h 12m
2 stops
PWM1:22 pmPortland
$478
Delta
Jul 22
PWM11:47 amPortland
4h 55m
1 stop
DLH3:42 pmDuluth Intl
Jul 26
DLH5:00 amDuluth Intl
4h 42m
1 stop
PWM10:42 amPortland
$787

United Airlines flights from Portland, Maine to Duluth

Our best United Airlines deals on Portland, Maine to Duluth flight tickets
United Airlines
Sep 24
PWM5:08 pmPortland
7h 14m
1 stop
DLH11:22 pmDuluth Intl
Oct 6
DLH7:45 amDuluth Intl
5h 53m
1 stop
PWM2:38 pmPortland
$308
United Airlines
Sep 24
PWM5:08 pmPortland
7h 14m
1 stop
DLH11:22 pmDuluth Intl
Oct 6
DLH7:45 amDuluth Intl
10h 39m
2 stops
PWM7:24 pmPortland
$314
United Airlines
Sep 24
PWM5:15 amPortland
10h 14m
2 stops
DLH2:29 pmDuluth Intl
Oct 6
DLH3:10 pmDuluth Intl
7h 49m
2 stops
PWM11:59 pmPortland
$396

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 June 27, 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

Thu 9/24

5:08 pm-11:22 pm

1 stop7h 14m

Duluth Intl

Tue 10/6

7:45 am-2:38 pm

1 stop5h 53m

$308

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Thu 9/24

5:08 pm-11:22 pm

1 stop7h 14m

Duluth Intl

Tue 10/6

7:45 am-7:24 pm

2 stops10h 39m

$314

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Thu 9/24

5:15 am-2:29 pm

2 stops10h 14m

Duluth Intl

Tue 10/6

3:10 pm-11:59 pm

2 stops7h 49m

$396

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 11/14

5:08 pm-11:04 pm

1 stop6h 56m

Duluth Intl

Tue 11/17

3:14 pm-9:15 pm

1 stop5h 01m

$398

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 11/14

5:08 pm-11:04 pm

1 stop6h 56m

Duluth Intl

Tue 11/17

3:14 pm-11:59 pm

2 stops7h 45m

$404

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 11/14

6:00 am-5:32 pm

2 stops12h 32m

Duluth Intl

Tue 11/17

7:35 am-7:18 pm

2 stops10h 43m

$409
Quickest round-trip

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Mon 10/26

11:30 am-3:44 pm

1 stop5h 14m

Duluth Intl

Sat 10/31

5:10 am-10:55 am

1 stop4h 45m

$467

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Mon 10/26

3:00 pm-10:48 pm

2 stops8h 48m

Duluth Intl

Sat 10/31

5:10 am-1:22 pm

2 stops7h 12m

$478

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Wed 7/22

5:15 am-5:34 pm

2 stops13h 19m

Duluth Intl

Sun 7/26

7:03 am-9:41 pm

1 stop13h 38m

$686

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sun 9/13

6:00 am-11:10 pm

1 stop18h 10m

Duluth Intl

Sat 9/19

3:10 pm-9:23 pm

1 stop5h 13m

$712

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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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

4h 55m

Direct flights

None
The fastest flight from Portland, Maine to Duluth takes 4h 55m
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. 4h 55m 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
9,896 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.

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