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Cheap flights from Bismarck to Portland from $422

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Bismarck to Portland departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 5:21 pm
BIS
-
PWM
10h 21m
2 stops
American Airlines Logo
7:07 am - 12:29 pm
PWM
-
BIS
6h 22m
1 stop
$422American Airlines
Sat, May 2 - Wed, May 6
American Airlines Logo
6:00 am - 5:21 pm
BIS
-
PWM
10h 21m
2 stops
American Airlines Logo
10:24 am - 10:55 pm
PWM
-
BIS
13h 31m
2 stops
$428American Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
6:00 am - 3:41 pm
BIS
-
PWM
8h 41m
1 stop
United Airlines Logo
3:23 pm - 11:38 pm
PWM
-
BIS
9h 15m
1 stop
$489United Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
9:13 am - 11:20 pm
BIS
-
PWM
13h 07m
2 stops
United Airlines Logo
6:00 am - 11:43 pm
PWM
-
BIS
18h 43m
2 stops
$830United Airlines
Wed, Feb 18 - Sun, Feb 22
American Airlines Logo
6:05 am - 10:30 pm
BIS
-
PWM
15h 25m
3 stops
American Airlines Logo
12:14 pm - 11:55 pm
PWM
-
BIS
12h 41m
2 stops
$1,206American Airlines
Wed, Feb 18 - Sun, Feb 22

United Airlines flights from Bismarck to Portland, Maine

Our best United Airlines deals on Bismarck to Portland, Maine flight tickets
United Airlines
May 2
BIS6:00 amBismarck
8h 41m
1 stop
PWM3:41 pmPortland
May 6
PWM3:23 pmPortland
9h 15m
1 stop
BIS11:38 pmBismarck
$489
United Airlines
Feb 18
BIS9:13 amBismarck
13h 07m
2 stops
PWM11:20 pmPortland
Feb 22
PWM6:00 amPortland
18h 43m
2 stops
BIS11:43 pmBismarck
$830

American Airlines flights from Bismarck to Portland, Maine

Our best American Airlines deals on Bismarck to Portland, Maine flight tickets
American Airlines
May 2
BIS6:00 amBismarck
10h 21m
2 stops
PWM5:21 pmPortland
May 6
PWM7:07 amPortland
6h 22m
1 stop
BIS12:29 pmBismarck
$422
American Airlines
May 2
BIS6:00 amBismarck
10h 21m
2 stops
PWM5:21 pmPortland
May 6
PWM10:24 amPortland
13h 31m
2 stops
BIS10:55 pmBismarck
$428
American Airlines
Feb 18
BIS6:05 amBismarck
15h 25m
3 stops
PWM10:30 pmPortland
Feb 22
PWM12:14 pmPortland
12h 41m
2 stops
BIS11:55 pmBismarck
$1,206

momondo Fare Finder

 
Customize your flight search to find flights from Bismarck 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 4, 2026.
Use the filters below to find and compare flights from Bismarck to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BismarckPortland

BIS - PWM

BISPWM

Bismarck

Sat 5/2

6:00 am-5:21 pm

2 stops10h 21m

Portland

Wed 5/6

7:07 am-12:29 pm

1 stop6h 22m

$422

BismarckPortland

BIS - PWM

BISPWM

Bismarck

Sat 5/2

6:00 am-5:21 pm

2 stops10h 21m

Portland

Wed 5/6

10:24 am-10:55 pm

2 stops13h 31m

$428

BismarckPortland

BIS - PWM

BISPWM

Bismarck

Sat 5/2

6:00 am-3:41 pm

1 stop8h 41m

Portland

Wed 5/6

3:23 pm-11:38 pm

1 stop9h 15m

$489

BismarckPortland

BIS - PWM

BISPWM

Bismarck

Wed 2/18

9:13 am-11:20 pm

2 stops13h 07m

Portland

Sun 2/22

6:00 am-11:43 pm

2 stops18h 43m

$830

BismarckPortland

BIS - PWM

BISPWM

Bismarck

Wed 2/18

6:05 am-10:30 pm

3 stops15h 25m

Portland

Sun 2/22

12:14 pm-11:55 pm

2 stops12h 41m

$1,206

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Portland from

How to get the cheapest flight ticket from Bismarck 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

Can stopping save me money on Bismarck to Portland, Maine flights?

You could potentially save up to 7% on your flight if you consider stops on a Bismarck to Portland, Maine flight.

When to book flights from Bismarck to Portland, Maine

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

Cheap Bismarck to Portland, Maine (BIS to PWM) flight deals and tips

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

Fastest flight time

8h 41m

Direct flights

None
The fastest flight from Bismarck to Portland, Maine takes 8h 41m
There are no direct flights from Bismarck to Portland, Maine. There are no popular flight routes from Bismarck to Portland, Maine.
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  • How far is Bismarck to Portland by plane?

    The distance between Bismarck and Portland is about 1490.5 mi. 8h 41m is a normal flight duration for this route.

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

    Prices for flights from Bismarck Airport to Portland Airport are updated daily.

  • How old do you have to be to fly from Bismarck Airport to Portland Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bismarck Airport to Portland Airport.

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

    The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 Bismarck to Portland?

Finding the right flight to Portland from Bismarck 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 Portland quick and easy, saving you time and money.

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

All flight searches from Bismarck to Portland on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Bismarck to Portland.

I’m not ready to book a flight from Bismarck to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Bismarck to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

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