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Cheap flights from Duluth to Portland from $368

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 10/17. 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 Duluth to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:14 am - 10:50 am
DLH
-
PWM
4h 36m
1 stop
Delta Logo
11:55 am - 3:41 pm
PWM
-
DLH
4h 46m
1 stop
$368Delta
Sat, Oct 17 - Sat, Oct 31
Delta Logo
5:14 am - 10:50 am
DLH
-
PWM
4h 36m
1 stop
Delta Logo
4:45 pm - 10:47 pm
PWM
-
DLH
7h 02m
2 stops
$374Delta
Sat, Oct 17 - Wed, Oct 28
Delta Logo
5:15 am - 3:39 pm
DLH
-
PWM
9h 24m
2 stops
Delta Logo
6:00 am - 3:41 pm
PWM
-
DLH
10h 41m
2 stops
$379Delta
Tue, Sep 22 - Wed, Oct 21
Delta Logo
12:30 pm - 10:42 am
DLH
-
PWM
21h 12m
2 stops
Delta Logo
10:00 am - 7:21 pm
PWM
-
DLH
10h 21m
2 stops
$394Delta
Sat, Oct 17 - Fri, Oct 30
United Airlines Logo
3:10 pm - 9:46 pm
DLH
-
PWM
5h 36m
1 stop
United Airlines Logo
5:08 pm - 11:04 pm
PWM
-
DLH
6h 56m
1 stop
$398United Airlines
Sat, Oct 17 - Fri, Oct 30
United Airlines Logo
3:10 pm - 11:59 pm
DLH
-
PWM
7h 49m
2 stops
United Airlines Logo
5:08 pm - 11:22 pm
PWM
-
DLH
7h 14m
1 stop
$404United Airlines
Sat, Sep 26 - Thu, Oct 1
United Airlines Logo
3:10 pm - 11:59 pm
DLH
-
PWM
7h 49m
2 stops
United Airlines Logo
6:00 am - 2:29 pm
PWM
-
DLH
9h 29m
2 stops
$409United Airlines
Sat, Sep 26 - Wed, Sep 30
United Airlines Logo
3:10 pm - 9:23 pm
DLH
-
PWM
5h 13m
1 stop
United Airlines Logo
5:08 pm - 11:22 pm
PWM
-
DLH
7h 14m
1 stop
$415United Airlines
Wed, Sep 23 - Tue, Oct 20
Delta Logo
7:00 am - 10:50 am
DLH
-
PWM
26h 50m
1 stop
Delta Logo
11:55 am - 3:41 pm
PWM
-
DLH
4h 46m
1 stop
$422Delta
Fri, Oct 16 - Sat, Oct 31
Delta Logo
12:30 pm - 10:50 am
DLH
-
PWM
21h 20m
1 stop
Delta Logo
1:00 pm - 7:21 pm
PWM
-
DLH
7h 21m
2 stops
$428Delta
Fri, Oct 16 - Sat, Oct 31

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Delta flights from Duluth to Portland, Maine

Our best Delta deals on Duluth to Portland, Maine flight tickets
Delta
Oct 17
DLH5:14 amDuluth Intl
4h 36m
1 stop
PWM10:50 amPortland
Oct 31
PWM11:55 amPortland
4h 46m
1 stop
DLH3:41 pmDuluth Intl
$368
Delta
Oct 17
DLH5:14 amDuluth Intl
4h 36m
1 stop
PWM10:50 amPortland
Oct 28
PWM4:45 pmPortland
7h 02m
2 stops
DLH10:47 pmDuluth Intl
$374
Delta
Sep 22
DLH5:15 amDuluth Intl
9h 24m
2 stops
PWM3:39 pmPortland
Oct 21
PWM6:00 amPortland
10h 41m
2 stops
DLH3:41 pmDuluth Intl
$379

United Airlines flights from Duluth to Portland, Maine

Our best United Airlines deals on Duluth to Portland, Maine flight tickets
United Airlines
Oct 17
DLH3:10 pmDuluth Intl
5h 36m
1 stop
PWM9:46 pmPortland
Oct 30
PWM5:08 pmPortland
6h 56m
1 stop
DLH11:04 pmDuluth Intl
$398
United Airlines
Sep 26
DLH3:10 pmDuluth Intl
7h 49m
2 stops
PWM11:59 pmPortland
Oct 1
PWM5:08 pmPortland
7h 14m
1 stop
DLH11:22 pmDuluth Intl
$404
United Airlines
Sep 26
DLH3:10 pmDuluth Intl
7h 49m
2 stops
PWM11:59 pmPortland
Sep 30
PWM6:00 amPortland
9h 29m
2 stops
DLH2:29 pmDuluth Intl
$409

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 July 16, 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

Cheapest round-trip
Quickest round-trip

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 10/17

5:14 am-10:50 am

1 stop4h 36m

Portland

Sat 10/31

11:55 am-3:41 pm

1 stop4h 46m

$368

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 10/17

5:14 am-10:50 am

1 stop4h 36m

Portland

Wed 10/28

4:45 pm-10:47 pm

2 stops7h 02m

$374

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Tue 9/22

5:15 am-3:39 pm

2 stops9h 24m

Portland

Wed 10/21

6:00 am-3:41 pm

2 stops10h 41m

$379

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 10/17

12:30 pm-10:42 am

2 stops21h 12m

Portland

Fri 10/30

10:00 am-7:21 pm

2 stops10h 21m

$394

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 10/17

3:10 pm-9:46 pm

1 stop5h 36m

Portland

Fri 10/30

5:08 pm-11:04 pm

1 stop6h 56m

$398

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 9/26

3:10 pm-11:59 pm

2 stops7h 49m

Portland

Thu 10/1

5:08 pm-11:22 pm

1 stop7h 14m

$404

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Sat 9/26

3:10 pm-11:59 pm

2 stops7h 49m

Portland

Wed 9/30

6:00 am-2:29 pm

2 stops9h 29m

$409

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Wed 9/23

3:10 pm-9:23 pm

1 stop5h 13m

Portland

Tue 10/20

5:08 pm-11:22 pm

1 stop7h 14m

$415

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Fri 10/16

7:00 am-10:50 am

1 stop26h 50m

Portland

Sat 10/31

11:55 am-3:41 pm

1 stop4h 46m

$422

DuluthPortland

DLH - PWM

DLHPWM

Duluth Intl

Fri 10/16

12:30 pm-10:50 am

1 stop21h 20m

Portland

Sat 10/31

1:00 pm-7:21 pm

2 stops7h 21m

$428

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 13m

Direct flights

None
The fastest flight from Duluth to Portland, Maine takes 5h 13m
There are no direct flights from Duluth to Portland, Maine. There are no popular flight routes from Duluth to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Duluth to Portland, Maine

  • How far is Duluth Intl to Portland by plane?

    The distance between Duluth Intl and Portland is about 1080.6 mi. 5h 13m 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 $283Free CancellationRating
7.8
8,471 reviews
Search Delta flights
United AirlinesPriceFrom $338Free CancellationRating
7.4
9,993 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
Lewiston
Brunswick
Conway
Freeport
Bartlett
Gorham
Auburn
Windham
Bath
Intervale
Oxford
Falmouth
Georgetown
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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