How long is the flight from Portland, Maine to Bismarck?

There are many flights that can get you from Portland, Maine to Bismarck in 25h 54m. Fly via United Airlines to get the fastest option. Portland, Maine and Bismarck are separated by a distance of 1487 mi.

In terms of precipitation, rainfall in Bismarck ranges from 0.4 - 3.2 inches per month. June is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Bismarck when rainfall is around 0.4 in.

If weather is an important factor for your trip to Bismarck, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

What is the cheapest time of day to fly from PWM to BIS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland, Maine to Bismarck as you normally would.

Can I find deals for flights from Portland to Bismarck that include hotel bookings?

Yes. In addition to deals on Portland to Bismarck flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Bismarck?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Bismarck.

Can I find deals for business class flights from Portland to Bismarck?

Yes. Cheapflights offers flight deals from Portland to Bismarck by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$412+ Cheap Flights from Portland, ME to Bismarck

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Cheap flight deals from Portland to Bismarck

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Cheapest flights from Portland to Bismarck
Explore the most affordable flight options available from Portland to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.

Fri 10/308:32 am -

2 stops12h 57m

Tue 11/35:50 am -

1 stop9h 12m

Deal found 10/15

$564

Fri 10/1610:52 am -

2 stops13h 07m

Sun 10/1812:56 pm -

2 stops9h 40m

Deal found 10/15

$589

Fri 10/163:40 pm -

1 stop9h 03m

Sun 10/181:40 pm -

2 stops9h 19m

Deal found 10/15

$694

Mon 11/27:35 pm -

2 stops25h 54m

Fri 11/61:02 pm -

2 stops23h 24m

Deal found 10/17

$887

Fri 10/1611:55 am -

1 stop5h 56m

Sun 10/185:00 am -

1 stop4h 50m

Deal found 10/15

$963

Sun 11/15:30 am -

2 stops11h 57m

Thu 11/55:02 pm -

2 stops29h 19m

Deal found 10/16

$1,031

Last-minute flights from Portland to Bismarck
Discover last-minute flight deals from Portland to Bismarck. Data last updated October 19, 2026 and is based on user searches.

Mon 10/1911:55 am -

1 stop5h 56m

Wed 10/215:00 am -

1 stop4h 50m

Deal found 10/16

$1,073

Fri 10/308:32 am -

2 stops12h 57m

Tue 11/35:50 am -

1 stop9h 12m

Deal found 10/15

$564

Sun 11/15:30 am -

2 stops11h 57m

Thu 11/55:02 pm -

2 stops29h 19m

Deal found 10/16

$1,031

Mon 11/27:35 pm -

2 stops25h 54m

Fri 11/61:02 pm -

2 stops23h 24m

Deal found 10/17

$887

Find flight deals from Portland to Bismarck

Round-trip from	$564 (United Airlines)
One-way from	$412 (United Airlines)

From Portland to Bismarck

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One-way flight from Portland to Bismarck

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Depart

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Price

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Quickest round-trip

PortlandBismarck

PWM Portland - BIS Bismarck

PWMBIS

Portland

Mon 11/2

2:09 pm-11:25 pm

2 stops10h 16m

Bismarck

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$535

PortlandBismarck

PWM Portland - BIS Bismarck

PWMBIS

Portland

Tue 11/3

9:46 am-4:27 pm

3 stops31h 41m

Bismarck

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$764

PortlandBismarck

PWM Portland - BIS Bismarck

PWMBIS

Portland

Mon 11/2

7:35 pm-8:29 pm

2 stops25h 54m

Bismarck

Fri 11/6

1:02 pm-1:26 pm

2 stops23h 24m

$887

PortlandBismarck

PWM Portland - BIS Bismarck

PWMBIS

Portland

Sun 11/1

5:30 am-4:27 pm

2 stops11h 57m

Bismarck

Thu 11/5

5:02 pm-11:21 pm

2 stops29h 19m

$1,031

PortlandBismarck

PWM Portland - BIS Bismarck

PWMBIS

Portland

Fri 10/30

3:23 pm-11:46 pm

1 stop9h 23m

Bismarck

Tue 11/3

5:50 am-4:02 pm

1 stop9h 12m

$1,259

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/18

Sorted by cheapest first

Best time to book a flight from Portland to Bismarck

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PWM-BIS

Estimated round-trip price

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Related info for your journey

How long is the flight from Portland, Maine to Bismarck?
There are many flights that can get you from Portland, Maine to Bismarck in 25h 54m. Fly via United Airlines to get the fastest option. Portland, Maine and Bismarck are separated by a distance of 1487 mi.
Can I find deals for flights from Portland to Bismarck that include hotel bookings?
Yes. In addition to deals on Portland to Bismarck flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Bismarck?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Bismarck.
Can I find deals for business class flights from Portland to Bismarck?
Yes. Cheapflights offers flight deals from Portland to Bismarck by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$412+ Cheap flights from Portland, ME to Bismarck (PWM - BIS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Bismarck with Cheapflights

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Cheap flight deals from Portland to Bismarck

Cheapest flights from Portland to BismarckExplore the most affordable flight options available from Portland to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.

Explore the most affordable flight options available from Portland to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.

Best flights from Portland to BismarckDiscover carefully curated flight deals from Portland to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.

Discover carefully curated flight deals from Portland to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.

Last-minute flights from Portland to BismarckDiscover last-minute flight deals from Portland to Bismarck. Data last updated October 19, 2026 and is based on user searches.

Discover last-minute flight deals from Portland to Bismarck. Data last updated October 19, 2026 and is based on user searches.

One-way flights from Portland to BismarckSearch for one-way flight options from Portland to Bismarck. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.

Search for one-way flight options from Portland to Bismarck. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.

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Best time to book a flight from Portland to Bismarck

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Related info for your journey

How long is the flight from Portland, Maine to Bismarck?

Can I find deals for flights from Portland to Bismarck that include hotel bookings?

How can I find direct flights from Portland to Bismarck?

Can I find deals for business class flights from Portland to Bismarck?

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Portland and Bismarck flights

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Cheapest flights from Portland to Bismarck
Explore the most affordable flight options available from Portland to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.

Best flights from Portland to Bismarck
Discover carefully curated flight deals from Portland to Bismarck that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.

Last-minute flights from Portland to Bismarck
Discover last-minute flight deals from Portland to Bismarck. Data last updated October 19, 2026 and is based on user searches.

One-way flights from Portland to Bismarck
Search for one-way flight options from Portland to Bismarck. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.