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Cheap flights from Bismarck to Portland from $344

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 11/8. 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

Find the cheapest flights from Bismarck to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:00 am - 10:50 amBIS  Bismarck-PWM Portland
4h 50m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 2:32 pmPWM  Portland-BIS Bismarck
9h 32m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
$344Delta
Sun, Nov 8 - Tue, Nov 17
Delta Logo
5:00 am - 10:45 amBIS  Bismarck-PWM Portland
4h 45m1 stop Minneapolis St Paul
Delta Logo
6:05 am - 4:56 pmPWM  Portland-BIS Bismarck
11h 51m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
$379Delta
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
1:40 pm - 11:59 pmBIS  Bismarck-PWM Portland
9h 19m2 stops Denver Intl Washington, D.C. Dulles Intl
United Airlines Logo
6:03 am - 4:26 pmPWM  Portland-BIS Bismarck
11h 23m2 stops Chicago O'Hare Intl Denver Intl
$384United Airlines
Tue, Aug 25 - Sat, Aug 29
Delta Logo
5:00 am - 10:50 amBIS  Bismarck-PWM Portland
4h 50m1 stop Minneapolis St Paul
Delta Logo
6:00 am - 4:29 pmPWM  Portland-BIS Bismarck
11h 29m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
$394Delta
Sun, Nov 8 - Sat, Nov 14
Delta Logo
5:00 am - 3:35 pmBIS  Bismarck-PWM Portland
9h 35m2 stops Minneapolis St Paul New York John F Kennedy Intl
Delta Logo
6:00 am - 4:29 pmPWM  Portland-BIS Bismarck
11h 29m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
$399Delta
Sun, Nov 8 - Sat, Nov 14
Delta Logo
12:38 pm - 11:33 pmBIS  Bismarck-PWM Portland
9h 55m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 4:29 pmPWM  Portland-BIS Bismarck
11h 29m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
$417Delta
Tue, Nov 10 - Sat, Nov 14
Delta Logo
5:00 am - 10:50 amBIS  Bismarck-PWM Portland
4h 50m1 stop Minneapolis St Paul
Delta Logo
4:03 pm - 11:57 amPWM  Portland-BIS Bismarck
20h 54m2 stops New York John F Kennedy Intl Minneapolis St Paul
$426Delta
Sun, Nov 8 - Fri, Nov 13
Delta Logo
9:00 am - 12:10 amBIS  Bismarck-PWM Portland
14h 10m2 stops Minneapolis St Paul New York John F Kennedy Intl
Delta Logo
6:00 am - 2:32 pmPWM  Portland-BIS Bismarck
9h 32m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
$427Delta
Sat, Nov 7 - Tue, Nov 17
United Airlines Logo
5:50 am - 4:02 pmBIS  Bismarck-PWM Portland
9h 12m1 stop Denver Intl
United Airlines Logo
3:23 pm - 11:46 pmPWM  Portland-BIS Bismarck
9h 23m1 stop Denver Intl
$429United Airlines
Sat, Nov 7 - Fri, Nov 13
Delta Logo
5:00 am - 3:35 pmBIS  Bismarck-PWM Portland
9h 35m2 stops Minneapolis St Paul New York John F Kennedy Intl
Delta Logo
4:03 pm - 11:57 amPWM  Portland-BIS Bismarck
20h 54m2 stops New York John F Kennedy Intl Minneapolis St Paul
$431Delta
Sun, Nov 8 - Fri, Nov 13

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Delta flights from Bismarck to Portland, Maine

Our best Delta deals on Bismarck to Portland, Maine flight tickets
Delta
Nov 8
BIS5:00 amBismarck
4h 50m
1 stop
PWM10:50 amPortland
Nov 17
PWM6:00 amPortland
9h 32m
2 stops
BIS2:32 pmBismarck
$344
Delta
Aug 25
BIS5:00 amBismarck
4h 45m
1 stop
PWM10:45 amPortland
Aug 29
PWM6:05 amPortland
11h 51m
2 stops
BIS4:56 pmBismarck
$379
Delta
Nov 8
BIS5:00 amBismarck
4h 50m
1 stop
PWM10:50 amPortland
Nov 14
PWM6:00 amPortland
11h 29m
2 stops
BIS4:29 pmBismarck
$394

United Airlines flights from Bismarck to Portland, Maine

Our best United Airlines deals on Bismarck to Portland, Maine flight tickets
United Airlines
Aug 25
BIS1:40 pmBismarck
9h 19m
2 stops
PWM11:59 pmPortland
Aug 29
PWM6:03 amPortland
11h 23m
2 stops
BIS4:26 pmBismarck
$384
United Airlines
Nov 7
BIS5:50 amBismarck
9h 12m
1 stop
PWM4:02 pmPortland
Nov 13
PWM3:23 pmPortland
9h 23m
1 stop
BIS11:46 pmBismarck
$429
United Airlines
Nov 7
BIS5:50 amBismarck
9h 12m
1 stop
PWM4:02 pmPortland
Nov 17
PWM8:47 amPortland
12h 42m
2 stops
BIS8:29 pmBismarck
$434

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 August 10, 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

Cheapest round-trip
Quickest round-trip

BismarckPortland

BIS Bismarck - PWM Portland

BISPWM

Bismarck

Sun 11/8

5:00 am-10:50 am

1 stop4h 50m

Portland

Tue 11/17

6:00 am-2:32 pm

2 stops9h 32m

$344

BismarckPortland

BIS Bismarck - PWM Portland

BISPWM

Bismarck

Tue 8/25

5:00 am-10:45 am

1 stop4h 45m

Portland

Sat 8/29

6:05 am-4:56 pm

2 stops11h 51m

$379

BismarckPortland

BIS Bismarck - PWM Portland

BISPWM

Bismarck

Tue 8/25

1:40 pm-11:59 pm

2 stops9h 19m

Portland

Sat 8/29

6:03 am-4:26 pm

2 stops11h 23m

$384

BismarckPortland

BIS Bismarck - PWM Portland

BISPWM

Bismarck

Sun 11/8

5:00 am-10:50 am

1 stop4h 50m

Portland

Sat 11/14

6:00 am-4:29 pm

2 stops11h 29m

$394

BismarckPortland

BIS Bismarck - PWM Portland

BISPWM

Bismarck

Sun 11/8

5:00 am-3:35 pm

2 stops9h 35m

Portland

Sat 11/14

6:00 am-4:29 pm

2 stops11h 29m

$399

BismarckPortland

BIS Bismarck - PWM Portland

BISPWM

Bismarck

Tue 11/10

12:38 pm-11:33 pm

2 stops9h 55m

Portland

Sat 11/14

6:00 am-4:29 pm

2 stops11h 29m

$417

BismarckPortland

BIS Bismarck - PWM Portland

BISPWM

Bismarck

Sun 11/8

5:00 am-10:50 am

1 stop4h 50m

Portland

Fri 11/13

4:03 pm-11:57 am

2 stops20h 54m

$426

BismarckPortland

BIS Bismarck - PWM Portland

BISPWM

Bismarck

Sat 11/7

9:00 am-12:10 am

2 stops14h 10m

Portland

Tue 11/17

6:00 am-2:32 pm

2 stops9h 32m

$427

BismarckPortland

BIS Bismarck - PWM Portland

BISPWM

Bismarck

Sat 11/7

5:50 am-4:02 pm

1 stop9h 12m

Portland

Fri 11/13

3:23 pm-11:46 pm

1 stop9h 23m

$429

BismarckPortland

BIS Bismarck - PWM Portland

BISPWM

Bismarck

Sun 11/8

5:00 am-3:35 pm

2 stops9h 35m

Portland

Fri 11/13

4:03 pm-11:57 am

2 stops20h 54m

$431

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 10% 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

4h 45m

Direct flights

None
The fastest flight from Bismarck to Portland, Maine takes 4h 45m
There are no direct flights from Bismarck to Portland, Maine. There are no popular flight routes from Bismarck to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Bismarck to Portland, Maine

  • How far is Bismarck to Portland by plane?

    The distance between Bismarck and Portland is about 1490.5 mi. 4h 45m 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
Lewiston
Brunswick
Freeport
Gorham
Auburn
Bartlett
Conway
Windham
Bath
Intervale
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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