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Cheap flights from Portland to Bismarck from $255

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Bismarck departing on 7/15. 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
0 bags

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Find the cheapest flights from Portland to Bismarck

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:33 pm - 11:12 pm
PDX
-
BIS
7h 39m
1 stop
Delta Logo
5:36 pm - 11:25 pm
BIS
-
PDX
7h 49m
1 stop
$319Delta
Fri, Aug 14 - Mon, Aug 17
Delta Logo
12:32 am - 10:30 am
PDX
-
BIS
7h 58m
1 stop
Delta Logo
1:27 pm - 8:17 pm
BIS
-
PDX
8h 50m
1 stop
$330Delta
Mon, Aug 17 - Sun, Aug 23
American Airlines Logo
1:34 pm - 11:57 pm
PDX
-
BIS
8h 23m
1 stop
American Airlines Logo
12:47 pm - 9:21 pm
BIS
-
PDX
10h 34m
1 stop
$344American Airlines
Fri, Jun 5 - Fri, Jun 12
United Airlines Logo
12:50 pm - 8:26 pm
PDX
-
BIS
5h 36m
1 stop
United Airlines Logo
6:25 pm - 11:00 pm
BIS
-
PDX
6h 35m
1 stop
$349United Airlines
Wed, Jun 3 - Mon, Jun 8
American Airlines Logo
11:59 am - 11:57 pm
PDX
-
BIS
9h 58m
1 stop
American Airlines Logo
12:47 pm - 9:21 pm
BIS
-
PDX
10h 34m
1 stop
$406American Airlines
Fri, Jun 5 - Fri, Jun 12
American Airlines Logo
10:59 pm - 1:30 pm
PDX
-
BIS
12h 31m
2 stops
American Airlines Logo
12:47 pm - 9:21 pm
BIS
-
PDX
10h 34m
1 stop
$415American Airlines
Fri, Jun 5 - Fri, Jun 12
American Airlines Logo
1:34 pm - 11:57 pm
PDX
-
BIS
8h 23m
1 stop
American Airlines Logo
12:47 pm - 9:21 pm
BIS
-
PDX
10h 34m
1 stop
$418American Airlines
Fri, Jun 5 - Mon, Jun 8
United Airlines Logo
5:00 am - 12:56 pm
PDX
-
BIS
5h 56m
1 stop
United Airlines Logo
9:16 am - 3:13 pm
BIS
-
PDX
7h 57m
1 stop
$421United Airlines
Fri, May 29 - Tue, Jun 2
American Airlines Logo
1:34 pm - 11:57 pm
PDX
-
BIS
8h 23m
1 stop
American Airlines Logo
12:47 pm - 9:21 pm
BIS
-
PDX
10h 34m
1 stop
$450American Airlines
Fri, Jun 5 - Mon, Jun 8
United Airlines Logo
11:05 am - 8:28 pm
PDX
-
BIS
7h 23m
1 stop
United Airlines Logo
9:16 am - 8:54 pm
BIS
-
PDX
13h 38m
2 stops
$454United Airlines
Fri, May 29 - Tue, Jun 2

United Airlines flights from Portland to Bismarck

Our best United Airlines deals on Portland to Bismarck flight tickets
United Airlines
May 29
PDX5:00 amPortland
5h 56m
1 stop
BIS12:56 pmBismarck
Jun 2
BIS9:16 amBismarck
7h 57m
1 stop
PDX3:13 pmPortland
$421
United Airlines
May 29
PDX11:05 amPortland
7h 23m
1 stop
BIS8:28 pmBismarck
Jun 2
BIS9:16 amBismarck
13h 38m
2 stops
PDX8:54 pmPortland
$454
United Airlines
May 28
PDX5:00 amPortland
5h 56m
1 stop
BIS12:56 pmBismarck
Jun 5
BIS6:25 pmBismarck
6h 35m
1 stop
PDX11:00 pmPortland
$489

American Airlines flights from Portland to Bismarck

Our best American Airlines deals on Portland to Bismarck flight tickets
American Airlines
Jun 5
PDX1:34 pmPortland
8h 23m
1 stop
BIS11:57 pmBismarck
Jun 12
BIS12:47 pmBismarck
10h 34m
1 stop
PDX9:21 pmPortland
$344
American Airlines
Jun 5
PDX11:59 amPortland
9h 58m
1 stop
BIS11:57 pmBismarck
Jun 12
BIS12:47 pmBismarck
10h 34m
1 stop
PDX9:21 pmPortland
$406
American Airlines
Jun 5
PDX10:59 pmPortland
12h 31m
2 stops
BIS1:30 pmBismarck
Jun 12
BIS12:47 pmBismarck
10h 34m
1 stop
PDX9:21 pmPortland
$415

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Bismarck 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 May 16, 2026.
Use the filters below to find and compare flights from Portland to Bismarck that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 8/14

1:33 pm-11:12 pm

1 stop7h 39m

Bismarck

Mon 8/17

5:36 pm-11:25 pm

1 stop7h 49m

$319

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Mon 8/17

12:32 am-10:30 am

1 stop7h 58m

Bismarck

Sun 8/23

1:27 pm-8:17 pm

1 stop8h 50m

$330

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 6/5

1:34 pm-11:57 pm

1 stop8h 23m

Bismarck

Fri 6/12

12:47 pm-9:21 pm

1 stop10h 34m

$344
Quickest round-trip

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 6/3

12:50 pm-8:26 pm

1 stop5h 36m

Bismarck

Mon 6/8

6:25 pm-11:00 pm

1 stop6h 35m

$349

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 6/5

11:59 am-11:57 pm

1 stop9h 58m

Bismarck

Fri 6/12

12:47 pm-9:21 pm

1 stop10h 34m

$406

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 6/5

10:59 pm-1:30 pm

2 stops12h 31m

Bismarck

Fri 6/12

12:47 pm-9:21 pm

1 stop10h 34m

$415

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 6/5

1:34 pm-11:57 pm

1 stop8h 23m

Bismarck

Mon 6/8

12:47 pm-9:21 pm

1 stop10h 34m

$418

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 5/29

5:00 am-12:56 pm

1 stop5h 56m

Bismarck

Tue 6/2

9:16 am-3:13 pm

1 stop7h 57m

$421

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 6/5

1:34 pm-11:57 pm

1 stop8h 23m

Bismarck

Mon 6/8

12:47 pm-9:21 pm

1 stop10h 34m

$450

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 5/29

11:05 am-8:28 pm

1 stop7h 23m

Bismarck

Tue 6/2

9:16 am-8:54 pm

2 stops13h 38m

$454

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Bismarck from

How to get the cheapest flight ticket from Portland to Bismarck

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 and Bismarck?

What is the cheapest month to fly to Bismarck?

In general, February is the cheapest month to fly from Portland to Bismarck. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $279. If you aren’t able to travel during the month of February, then book flights to Bismarck from Portland during September instead. Flights to Bismarck in September, while not as cheap as those in February, still average around $287.

Can stopping save me money on Portland to Bismarck flights?

You could potentially save up to 43% on your flight if you consider stops on a Portland to Bismarck flight.

When to book flights from Portland to Bismarck

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

Cheap Portland to Bismarck (PDX to BIS) flight deals and tips

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

Fastest flight time

6h 00m

Direct flights

None
The fastest flight from Portland to Bismarck takes 6h 00m
There are no direct flights from Portland to Bismarck. There are no popular flight routes from Portland to Bismarck.
Search flight deals

Frequently asked questions about flying from Portland to Bismarck

  • How far is Portland to Bismarck by plane?

    The straight-line distance from Portland to Bismarck is 1047.2 mi. 6h 00m is a normal flight duration for this route.

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

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

  • How many operators does momondo search for flights from Portland Airport to Bismarck Airport?

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

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

    The travel and health documents you'll need for your trip to Bismarck Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bismarck Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland to Bismarck?

Best airlines flying from Portland to Bismarck

Compare and see reviews for airlines that fly from Portland to Bismarck with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $259Free CancellationRating
7.9
8,455 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,727 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Bismarck?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Bismarck. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Portland to Bismarck flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bismarck from Portland.

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

Yes momondo offers price alerts on flights to Bismarck from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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