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Cheap flights from Portland, Maine to Duluth from $303

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 9/2. 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.
Delta Logo
4:47 pm - 10:57 pmPWM  Portland-DLH Duluth Intl
7h 10m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul
Delta Logo
5:14 am - 10:50 amDLH  Duluth Intl-PWM Portland
4h 36m1 stop Minneapolis St Paul
$324Delta
Wed, Nov 4 - Sat, Nov 7
Delta Logo
6:28 am - 3:41 pmPWM  Portland-DLH Duluth Intl
10h 13m2 stops New York LaGuardia Minneapolis St Paul
Delta Logo
5:14 am - 4:02 pmDLH  Duluth Intl-PWM Portland
9h 48m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County
$329Delta
Wed, Nov 4 - Sat, Nov 7
Delta Logo
6:01 am - 3:41 pmPWM  Portland-DLH Duluth Intl
10h 40m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
Delta Logo
7:00 am - 3:55 pmDLH  Duluth Intl-PWM Portland
7h 55m2 stops Minneapolis St Paul New York LaGuardia
$329Delta
Wed, Nov 4 - Sat, Nov 7
United Airlines Logo
6:00 am - 10:42 amPWM  Portland-DLH Duluth Intl
5h 42m1 stop Chicago O'Hare Intl
United Airlines Logo
3:10 pm - 9:46 pmDLH  Duluth Intl-PWM Portland
5h 36m1 stop Chicago O'Hare Intl
$348United Airlines
Sat, Oct 10 - Sat, Oct 17
United Airlines Logo
6:00 am - 10:42 amPWM  Portland-DLH Duluth Intl
5h 42m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 2:38 pmDLH  Duluth Intl-PWM Portland
7h 38m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$354United Airlines
Sat, Oct 10 - Sat, Oct 17
United Airlines Logo
5:08 pm - 11:14 pmPWM  Portland-DLH Duluth Intl
7h 06m1 stop Chicago O'Hare Intl
United Airlines Logo
3:06 pm - 9:51 pmDLH  Duluth Intl-PWM Portland
5h 45m1 stop Chicago O'Hare Intl
$408United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
5:08 pm - 11:14 pmPWM  Portland-DLH Duluth Intl
7h 06m1 stop Chicago O'Hare Intl
United Airlines Logo
7:00 am - 2:16 pmDLH  Duluth Intl-PWM Portland
6h 16m1 stop Chicago O'Hare Intl
$408United Airlines
Wed, Nov 4 - Sat, Nov 7
United Airlines Logo
5:30 am - 2:30 pmPWM  Portland-DLH Duluth Intl
10h 00m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
7:00 am - 2:16 pmDLH  Duluth Intl-PWM Portland
6h 16m1 stop Chicago O'Hare Intl
$414United Airlines
Tue, Nov 3 - Sat, Nov 7

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Delta flights from Portland, Maine to Duluth

Our best Delta deals on Portland, Maine to Duluth flight tickets
Delta
Nov 4
PWM4:47 pmPortland
7h 10m
2 stops
DLH10:57 pmDuluth Intl
Nov 7
DLH5:14 amDuluth Intl
4h 36m
1 stop
PWM10:50 amPortland
$324
Delta
Nov 4
PWM6:01 amPortland
10h 40m
2 stops
DLH3:41 pmDuluth Intl
Nov 7
DLH7:00 amDuluth Intl
7h 55m
2 stops
PWM3:55 pmPortland
$329

United Airlines flights from Portland, Maine to Duluth

Our best United Airlines deals on Portland, Maine to Duluth flight tickets
United Airlines
Oct 10
PWM6:00 amPortland
5h 42m
1 stop
DLH10:42 amDuluth Intl
Oct 17
DLH3:10 pmDuluth Intl
5h 36m
1 stop
PWM9:46 pmPortland
$348
United Airlines
Oct 10
PWM6:00 amPortland
5h 42m
1 stop
DLH10:42 amDuluth Intl
Oct 17
DLH6:00 amDuluth Intl
7h 38m
2 stops
PWM2:38 pmPortland
$354
United Airlines
Nov 3
PWM5:08 pmPortland
7h 06m
1 stop
DLH11:14 pmDuluth Intl
Nov 7
DLH3:06 pmDuluth Intl
5h 45m
1 stop
PWM9:51 pmPortland
$408

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 August 12, 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 Portland - DLH Duluth Intl

PWMDLH

Portland

Wed 11/4

4:47 pm-10:57 pm

2 stops7h 10m

Duluth Intl

Sat 11/7

5:14 am-10:50 am

1 stop4h 36m

$324

PortlandDuluth

PWM Portland - DLH Duluth Intl

PWMDLH

Portland

Wed 11/4

6:28 am-3:41 pm

2 stops10h 13m

Duluth Intl

Sat 11/7

5:14 am-4:02 pm

2 stops9h 48m

$329

PortlandDuluth

PWM Portland - DLH Duluth Intl

PWMDLH

Portland

Wed 11/4

6:01 am-3:41 pm

2 stops10h 40m

Duluth Intl

Sat 11/7

7:00 am-3:55 pm

2 stops7h 55m

$329
Quickest round-trip

PortlandDuluth

PWM Portland - DLH Duluth Intl

PWMDLH

Portland

Sat 10/10

6:00 am-10:42 am

1 stop5h 42m

Duluth Intl

Sat 10/17

3:10 pm-9:46 pm

1 stop5h 36m

$348

PortlandDuluth

PWM Portland - DLH Duluth Intl

PWMDLH

Portland

Sat 10/10

6:00 am-10:42 am

1 stop5h 42m

Duluth Intl

Sat 10/17

6:00 am-2:38 pm

2 stops7h 38m

$354

PortlandDuluth

PWM Portland - DLH Duluth Intl

PWMDLH

Portland

Tue 11/3

5:08 pm-11:14 pm

1 stop7h 06m

Duluth Intl

Sat 11/7

3:06 pm-9:51 pm

1 stop5h 45m

$408

PortlandDuluth

PWM Portland - DLH Duluth Intl

PWMDLH

Portland

Wed 11/4

5:08 pm-11:14 pm

1 stop7h 06m

Duluth Intl

Sat 11/7

7:00 am-2:16 pm

1 stop6h 16m

$408

PortlandDuluth

PWM Portland - DLH Duluth Intl

PWMDLH

Portland

Tue 11/3

5:30 am-2:30 pm

2 stops10h 00m

Duluth Intl

Sat 11/7

7:00 am-2:16 pm

1 stop6h 16m

$414
Cheapest one-way

PortlandDuluth

PWM Portland - DLH Duluth Intl

PWMDLH

Portland

Wed 9/2

7:40 am-2:29 pm

1 stop7h 49m

$303
Quickest one-way

PortlandDuluth

PWM Portland - DLH Duluth Intl

PWMDLH

Portland

Sat 10/17

6:00 am-10:42 am

1 stop5h 42m

$303

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 45% 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 42m

Direct flights

None
The fastest flight from Portland, Maine to Duluth takes 5h 42m
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 42m 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
10,111 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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