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?

As of August 2025, there is 1 operator available to choose from 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.

$374 Cheap Flights from Portland to Duluth in 2025

Q: What is the typical price of a round-trip flight between Portland, Maine and Duluth?

Prices are currently low for flights on this route. Typical prices usually range from $440 to $1,068. The lowest price recently found on this route was $374.

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Find the cheapest flights from Portland, Maine to Duluth

Round-trip

One-way

Cheap round-trip flights

6:14 am - 10:45 amPWM-DLH

5h 31m1 stop

3:10 pm - 9:59 pmDLH-PWM

5h 49m1 stop

$374United Airlines

Find Deal

Fri, Sep 5 - Fri, Sep 12

7:00 am - 10:46 pmPWM-DLH

16h 46m2 stops

5:10 am - 10:42 amDLH-PWM

4h 32m1 stop

$382Delta

Find Deal

Sat, Aug 30 - Wed, Sep 3

7:00 am - 10:46 pmPWM-DLH

16h 46m2 stops

5:10 am - 10:42 amDLH-PWM

4h 32m1 stop

$412Delta

Find Deal

Sat, Aug 30 - Wed, Sep 3

4:56 pm - 10:05 pmPWM-DLH

6h 09m1 stop

3:10 pm - 7:29 pmDLH-PWM

27h 19m2 stops

$453United Airlines

Find Deal

Fri, Sep 5 - Fri, Sep 12

5:02 pm - 10:05 pmPWM-DLH

6h 03m1 stop

3:10 pm - 9:59 pmDLH-PWM

5h 49m1 stop

$488United Airlines

Find Deal

Sat, Aug 30 - Wed, Sep 3

7:00 am - 10:46 pmPWM-DLH

16h 46m2 stops

7:50 am - 11:25 pmDLH-PWM

14h 35m2 stops

$510Delta

Find Deal

Sat, Aug 30 - Wed, Sep 3

7:00 am - 10:46 pmPWM-DLH

16h 46m2 stops

7:50 am - 11:25 pmDLH-PWM

14h 35m2 stops

$520Delta

Find Deal

Sat, Aug 30 - Wed, Sep 3

7:00 am - 10:46 pmPWM-DLH

16h 46m2 stops

7:50 am - 11:25 pmDLH-PWM

14h 35m2 stops

$540Delta

Find Deal

Sat, Aug 30 - Wed, Sep 3

1:34 pm - 10:46 pmPWM-DLH

10h 12m2 stops

10:50 am - 12:11 amDLH-PWM

12h 21m2 stops

$578Delta

Find Deal

Fri, Sep 5 - Fri, Sep 12

5:35 am - 10:00 pmPWM-DLH

17h 25m2 stops

3:10 pm - 9:59 pmDLH-PWM

5h 49m1 stop

$927United Airlines

Find Deal

Sun, Aug 17 - Sun, Aug 24

United Airlines flights from Portland, Maine to Duluth

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

United Airlines

Sep 5

PWM6:14 amPortland

5h 31m

1 stop

DLH10:45 amDuluth Intl

Sep 12

DLH3:10 pmDuluth Intl

5h 49m

1 stop

PWM9:59 pmPortland

$374

Find similar

United Airlines

Sep 5

PWM4:56 pmPortland

6h 09m

1 stop

DLH10:05 pmDuluth Intl

Sep 12

DLH3:10 pmDuluth Intl

27h 19m

2 stops

PWM7:29 pmPortland

$453

Find similar

United Airlines

Aug 30

PWM5:02 pmPortland

6h 03m

1 stop

DLH10:05 pmDuluth Intl

Sep 3

DLH3:10 pmDuluth Intl

5h 49m

1 stop

PWM9:59 pmPortland

$488

Find similar

Delta flights from Portland, Maine to Duluth

Our best Delta deals on Portland, Maine to Duluth flight tickets

Delta

Aug 30

PWM7:00 amPortland

16h 46m

2 stops

DLH10:46 pmDuluth Intl

Sep 3

DLH5:10 amDuluth Intl

4h 32m

1 stop

PWM10:42 amPortland

$382

Find similar

Delta

Aug 30

PWM7:00 amPortland

16h 46m

2 stops

DLH10:46 pmDuluth Intl

Sep 3

DLH5:10 amDuluth Intl

4h 32m

1 stop

PWM10:42 amPortland

$412

Find similar

Delta

Aug 30

PWM7:00 amPortland

16h 46m

2 stops

DLH10:46 pmDuluth Intl

Sep 3

DLH7:50 amDuluth Intl

14h 35m

2 stops

PWM11:25 pmPortland

$510

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Fri 9/5

6:14 am-10:45 am

1 stop5h 31m

Duluth Intl

Fri 9/12

3:10 pm-9:59 pm

1 stop5h 49m

$374

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 8/30

7:00 am-10:46 pm

2 stops16h 46m

Duluth Intl

Wed 9/3

5:10 am-10:42 am

1 stop4h 32m

$382

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 8/30

7:00 am-10:46 pm

2 stops16h 46m

Duluth Intl

Wed 9/3

5:10 am-10:42 am

1 stop4h 32m

$412

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Fri 9/5

4:56 pm-10:05 pm

1 stop6h 09m

Duluth Intl

Fri 9/12

3:10 pm-7:29 pm

2 stops27h 19m

$453

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 8/30

5:02 pm-10:05 pm

1 stop6h 03m

Duluth Intl

Wed 9/3

3:10 pm-9:59 pm

1 stop5h 49m

$488

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 8/30

7:00 am-10:46 pm

2 stops16h 46m

Duluth Intl

Wed 9/3

7:50 am-11:25 pm

2 stops14h 35m

$510

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 8/30

7:00 am-10:46 pm

2 stops16h 46m

Duluth Intl

Wed 9/3

7:50 am-11:25 pm

2 stops14h 35m

$520

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sat 8/30

7:00 am-10:46 pm

2 stops16h 46m

Duluth Intl

Wed 9/3

7:50 am-11:25 pm

2 stops14h 35m

$540

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Fri 9/5

1:34 pm-10:46 pm

2 stops10h 12m

Duluth Intl

Fri 9/12

10:50 am-12:11 am

2 stops12h 21m

$578

PortlandDuluth

PWM - DLH

PWMDLH

Portland

Sun 8/17

5:35 am-10:00 pm

2 stops17h 25m

Duluth Intl

Sun 8/24

3:10 pm-9:59 pm

1 stop5h 49m

$927

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

What is the typical price of a round-trip flight between Portland, Maine and Duluth?

What is the cheapest day to depart on your flight to Duluth?

The cheapest day to depart from Portland, Maine to Duluth is on a Wednesday when prices can be found for as low as $398. On the other hand, Tuesday is the most expensive day to depart from Portland, Maine because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $884.

What is the cheapest time of day to depart on your flight to Duluth?

Flying to Duluth from Portland, Maine in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $540 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Duluth is in the morning when prices are around $573.

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

Best Price Found	$374
Fastest flight time	5h 31m
Direct flights	None
Airports in Duluth	1 airport

The best flight deal from Portland, Maine to Duluth found on momondo in the last 72 hours is $374

The fastest flight from Portland, Maine to Duluth takes 5h 31m

There are no direct flights from Portland, Maine to Duluth. Popular non-direct route for this connection is Portland Airport - Duluth Intl Airport.

There is 1 airport near Duluth: Duluth Intl (DLH)

Search flight deals

How far is Portland to Duluth Intl by plane?
There are 1080.6 mi between Portland and Duluth Intl. 5h 31m 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?
As of August 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland, Maine to Duluth is United Airlines (100% of total bookings).

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 Airlines	PriceFrom $340	Free Cancellation	Rating 7.4 8,912 reviews		Search United Airlines flights

Two Harbors

Hayward

Superior

Cloquet

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.