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 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?

As of December 2025, there are 2 operators available to choose from 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.

$257 Cheap Flights from Duluth to Portland in 2025/26

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3:05 pm - 2:39 pm

DLH

PWM

22h 34m1 stop

6:00 am - 2:30 pm

PWM

DLH

9h 30m2 stops

$478United Airlines

Sat, Jan 24 - Wed, Jan 28

7:40 am - 2:39 pm

DLH

PWM

5h 59m1 stop

4:10 pm - 9:59 pm

PWM

DLH

6h 49m1 stop

$514United Airlines

Sat, Jan 24 - Wed, Jan 28

3:05 pm - 2:31 pm

DLH

PWM

22h 26m2 stops

4:10 pm - 9:59 pm

PWM

DLH

6h 49m1 stop

$518United Airlines

Sat, Jan 24 - Wed, Jan 28

3:05 pm - 2:31 pm

DLH

PWM

22h 26m2 stops

6:00 am - 2:30 pm

PWM

DLH

9h 30m2 stops

$524United Airlines

Sat, Jan 24 - Wed, Jan 28

3:05 pm - 2:39 pm

DLH

PWM

22h 34m1 stop

4:10 pm - 9:59 pm

PWM

DLH

6h 49m1 stop

$533United Airlines

Sat, Jan 24 - Wed, Jan 28

7:40 am - 2:39 pm

DLH

PWM

5h 59m1 stop

4:10 pm - 9:59 pm

PWM

DLH

6h 49m1 stop

$543United Airlines

Sat, Jan 24 - Wed, Jan 28

7:40 am - 2:39 pm

DLH

PWM

5h 59m1 stop

6:00 am - 2:30 pm

PWM

DLH

9h 30m2 stops

$548United Airlines

Sat, Jan 24 - Wed, Jan 28

7:40 am - 6:54 pm

DLH

PWM

10h 14m2 stops

6:00 am - 2:30 pm

PWM

DLH

9h 30m2 stops

$553United Airlines

Sat, Jan 24 - Wed, Jan 28

3:03 pm - 9:29 pm

DLH

PWM

5h 26m1 stop

6:46 pm - 10:55 pm

PWM

DLH

29h 09m2 stops

$693United Airlines

Thu, Dec 25 - Mon, Dec 29

3:03 pm - 11:59 pm

DLH

PWM

7h 56m2 stops

7:30 pm - 10:55 pm

PWM

DLH

28h 25m2 stops

$698United Airlines

Thu, Dec 25 - Mon, Dec 29

United Airlines flights from Duluth to Portland, Maine

Our best United Airlines deals on Duluth to Portland, Maine flight tickets

United Airlines

Jan 24

DLH3:05 pmDuluth Intl

22h 26m

2 stops

PWM2:31 pmPortland

Jan 28

PWM6:00 amPortland

9h 30m

2 stops

DLH2:30 pmDuluth Intl

$478

Find similar

United Airlines

Jan 24

DLH3:05 pmDuluth Intl

22h 34m

1 stop

PWM2:39 pmPortland

Jan 28

PWM4:10 pmPortland

6h 49m

1 stop

DLH9:59 pmDuluth Intl

$533

Find similar

United Airlines

Jan 24

DLH7:40 amDuluth Intl

5h 59m

1 stop

PWM2:39 pmPortland

Jan 28

PWM4:10 pmPortland

6h 49m

1 stop

DLH9:59 pmDuluth Intl

$543

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 1/24

3:05 pm-2:39 pm

1 stop22h 34m

Portland

Wed 1/28

6:00 am-2:30 pm

2 stops9h 30m

$478

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 1/24

7:40 am-2:39 pm

1 stop5h 59m

Portland

Wed 1/28

4:10 pm-9:59 pm

1 stop6h 49m

$514

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 1/24

3:05 pm-2:31 pm

2 stops22h 26m

Portland

Wed 1/28

4:10 pm-9:59 pm

1 stop6h 49m

$518

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 1/24

3:05 pm-2:31 pm

2 stops22h 26m

Portland

Wed 1/28

6:00 am-2:30 pm

2 stops9h 30m

$524

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 1/24

3:05 pm-2:39 pm

1 stop22h 34m

Portland

Wed 1/28

4:10 pm-9:59 pm

1 stop6h 49m

$533

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 1/24

7:40 am-2:39 pm

1 stop5h 59m

Portland

Wed 1/28

4:10 pm-9:59 pm

1 stop6h 49m

$543

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 1/24

7:40 am-2:39 pm

1 stop5h 59m

Portland

Wed 1/28

6:00 am-2:30 pm

2 stops9h 30m

$548

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 1/24

7:40 am-6:54 pm

2 stops10h 14m

Portland

Wed 1/28

6:00 am-2:30 pm

2 stops9h 30m

$553

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Thu 12/25

3:03 pm-9:29 pm

1 stop5h 26m

Portland

Mon 12/29

6:46 pm-10:55 pm

2 stops29h 09m

$693

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Thu 12/25

3:03 pm-11:59 pm

2 stops7h 56m

Portland

Mon 12/29

7:30 pm-10:55 pm

2 stops28h 25m

$698

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Duluth is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $398. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Duluth because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $808.

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 26m
Direct flights	None

The fastest flight from Duluth to Portland, Maine takes 5h 26m

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 26m 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?
As of December 2025, there are 2 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Duluth to Portland, Maine is United Airlines (62% of total bookings). The next most popular airline is Delta (38%).

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
Delta	PriceFrom $224	Free Cancellation	Rating 7.9 8,007 reviews		Search Delta flights
United Airlines	PriceFrom $358	Free Cancellation	Rating 7.4 9,095 reviews		Search United Airlines flights

North Conway

Boothbay Harbor

Jackson

Conway

Freeport

Lewiston

Bartlett

Brunswick

Auburn

Gorham

Windham

Intervale

Oxford

Bath

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.