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Cheap flights from Duluth to Portland from $348

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Duluth to Portland departing on 5/5. 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 Duluth to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:57 pm - 9:19 pm
DLH
-
PWM
5h 22m
1 stop
United Airlines Logo
9:40 am - 2:22 pm
PWM
-
DLH
5h 42m
1 stop
$348United Airlines
Tue, May 5 - Sat, May 9
United Airlines Logo
11:14 am - 11:59 pm
DLH
-
PWM
11h 45m
2 stops
United Airlines Logo
9:40 am - 5:20 pm
PWM
-
DLH
8h 40m
1 stop
$354United Airlines
Tue, May 5 - Sat, May 9
United Airlines Logo
2:57 pm - 11:59 pm
DLH
-
PWM
8h 02m
2 stops
United Airlines Logo
9:20 am - 5:20 pm
PWM
-
DLH
9h 00m
2 stops
$359United Airlines
Tue, May 5 - Sat, May 9
United Airlines Logo
2:57 pm - 9:19 pm
DLH
-
PWM
5h 22m
1 stop
United Airlines Logo
9:40 am - 5:20 pm
PWM
-
DLH
8h 40m
1 stop
$394United Airlines
Tue, May 5 - Sat, May 9
United Airlines Logo
11:14 am - 11:59 pm
DLH
-
PWM
11h 45m
2 stops
United Airlines Logo
11:34 am - 5:20 pm
PWM
-
DLH
6h 46m
1 stop
$399United Airlines
Tue, May 5 - Sat, May 9
United Airlines Logo
2:57 pm - 9:19 pm
DLH
-
PWM
5h 22m
1 stop
United Airlines Logo
9:40 am - 5:20 pm
PWM
-
DLH
8h 40m
1 stop
$408United Airlines
Tue, May 5 - Sat, May 9
United Airlines Logo
7:45 am - 2:14 pm
DLH
-
PWM
5h 29m
1 stop
United Airlines Logo
11:34 am - 5:20 pm
PWM
-
DLH
6h 46m
1 stop
$439United Airlines
Tue, May 5 - Sat, May 9
United Airlines Logo
7:50 am - 9:09 pm
DLH
-
PWM
12h 19m
1 stop
United Airlines Logo
5:45 am - 10:43 am
PWM
-
DLH
5h 58m
1 stop
$477United Airlines
Sat, Feb 28 - Wed, Mar 4
United Airlines Logo
7:45 am - 2:14 pm
DLH
-
PWM
5h 29m
1 stop
United Airlines Logo
6:00 am - 10:34 am
PWM
-
DLH
5h 34m
1 stop
$479United Airlines
Thu, May 14 - Sun, May 17
United Airlines Logo
7:50 am - 11:20 pm
DLH
-
PWM
14h 30m
2 stops
United Airlines Logo
5:45 am - 10:43 am
PWM
-
DLH
5h 58m
1 stop
$483United Airlines
Sat, Feb 28 - Wed, Mar 4

United Airlines flights from Duluth to Portland, Maine

Our best United Airlines deals on Duluth to Portland, Maine flight tickets
United Airlines
May 5
DLH2:57 pmDuluth Intl
5h 22m
1 stop
PWM9:19 pmPortland
May 9
PWM9:40 amPortland
5h 42m
1 stop
DLH2:22 pmDuluth Intl
$348
United Airlines
May 5
DLH11:14 amDuluth Intl
11h 45m
2 stops
PWM11:59 pmPortland
May 9
PWM9:40 amPortland
8h 40m
1 stop
DLH5:20 pmDuluth Intl
$354
United Airlines
May 5
DLH2:57 pmDuluth Intl
8h 02m
2 stops
PWM11:59 pmPortland
May 9
PWM9:20 amPortland
9h 00m
2 stops
DLH5:20 pmDuluth Intl
$359

momondo Fare Finder

 
Customize your flight search to find flights from Duluth to Portland, Maine 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 February 15, 2026.
Use the filters below to find and compare flights from Duluth to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Tue 5/5

2:57 pm-9:19 pm

1 stop5h 22m

Portland

Sat 5/9

9:40 am-2:22 pm

1 stop5h 42m

$348

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Tue 5/5

11:14 am-11:59 pm

2 stops11h 45m

Portland

Sat 5/9

9:40 am-5:20 pm

1 stop8h 40m

$354

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Tue 5/5

2:57 pm-11:59 pm

2 stops8h 02m

Portland

Sat 5/9

9:20 am-5:20 pm

2 stops9h 00m

$359

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Tue 5/5

2:57 pm-9:19 pm

1 stop5h 22m

Portland

Sat 5/9

9:40 am-5:20 pm

1 stop8h 40m

$394

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Tue 5/5

11:14 am-11:59 pm

2 stops11h 45m

Portland

Sat 5/9

11:34 am-5:20 pm

1 stop6h 46m

$399

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Tue 5/5

2:57 pm-9:19 pm

1 stop5h 22m

Portland

Sat 5/9

9:40 am-5:20 pm

1 stop8h 40m

$408

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Tue 5/5

7:45 am-2:14 pm

1 stop5h 29m

Portland

Sat 5/9

11:34 am-5:20 pm

1 stop6h 46m

$439

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 2/28

7:50 am-9:09 pm

1 stop12h 19m

Portland

Wed 3/4

5:45 am-10:43 am

1 stop5h 58m

$477

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Thu 5/14

7:45 am-2:14 pm

1 stop5h 29m

Portland

Sun 5/17

6:00 am-10:34 am

1 stop5h 34m

$479

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 2/28

7:50 am-11:20 pm

2 stops14h 30m

Portland

Wed 3/4

5:45 am-10:43 am

1 stop5h 58m

$483

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

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

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 cheapest airline that flies from Duluth Intl to Portland?

United Airlines is the most popular carrier operating from Duluth Intl to Portland

When to book flights from Duluth to Portland, Maine

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

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

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

Fastest flight time

5h 50m

Direct flights

None
The fastest flight from Duluth to Portland, Maine takes 5h 50m
There are no direct flights from Duluth to Portland, Maine. There are no popular flight routes from Duluth to Portland, Maine.
Search flight deals

  • How far is Duluth Intl to Portland by plane?

    The distance between Duluth Intl and Portland is about 1080.6 mi. 5h 50m is a normal flight duration for this route.

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

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

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

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

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

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Duluth to Portland, Maine

Compare and see reviews for airlines that fly from Duluth to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $224Free CancellationRating
7.9
8,205 reviews
Search Delta flights
United AirlinesPriceFrom $358Free CancellationRating
7.4
9,296 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Gorham
Auburn
Windham
Intervale
Bath
Oxford
Georgetown
Falmouth
Tamworth

Why use momondo?

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

It is quick and easy to find Duluth to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.

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

momondo does allow users to show only those flights to Portland from Duluth which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Duluth to Portland 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 Duluth to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Duluth and alert you when they change.

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