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Cheap flights from Portland to Bismarck from $148

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 7/16. 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
3:28 pm - 11:12 pm
PDX
-
BIS
5h 44m
1 stop
Delta Logo
1:27 pm - 5:34 pm
BIS
-
PDX
6h 07m
1 stop
$319Delta
Fri, Aug 14 - Thu, Aug 27
Delta Logo
3:28 pm - 11:12 pm
PDX
-
BIS
5h 44m
1 stop
Delta Logo
5:00 am - 10:48 am
BIS
-
PDX
7h 48m
1 stop
$344Delta
Fri, Aug 14 - Wed, Aug 19
Delta Logo
12:30 am - 10:30 am
PDX
-
BIS
8h 00m
1 stop
Delta Logo
1:27 pm - 8:17 pm
BIS
-
PDX
8h 50m
1 stop
$396Delta
Sun, Aug 2 - Tue, Aug 11
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
$401American Airlines
Tue, Jun 9 - Sat, Jun 13
American Airlines Logo
10:59 pm - 1:30 pm
PDX
-
BIS
12h 31m
2 stops
American Airlines Logo
2:00 pm - 12:20 am
BIS
-
PDX
12h 20m
2 stops
$406American Airlines
Tue, Jun 9 - Sat, Jun 13
United Airlines Logo
5:00 am - 12:56 pm
PDX
-
BIS
5h 56m
1 stop
United Airlines Logo
1:45 pm - 8:54 pm
BIS
-
PDX
9h 09m
2 stops
$415United Airlines
Fri, Jun 5 - Tue, Jun 9
United Airlines Logo
8:50 am - 5:19 pm
PDX
-
BIS
6h 29m
1 stop
United Airlines Logo
1:45 pm - 5:46 pm
BIS
-
PDX
6h 01m
1 stop
$422United Airlines
Tue, Jun 9 - Sat, Jun 13
Delta Logo
3:00 pm - 11:21 pm
PDX
-
BIS
6h 21m
1 stop
Delta Logo
5:42 pm - 11:18 pm
BIS
-
PDX
7h 36m
1 stop
$439Delta
Wed, Jun 10 - Mon, Jun 15
United Airlines Logo
12:50 pm - 11:11 pm
PDX
-
BIS
8h 21m
1 stop
United Airlines Logo
6:25 pm - 11:13 pm
BIS
-
PDX
6h 48m
1 stop
$449United Airlines
Fri, Jul 31 - Mon, Aug 10
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
$482American Airlines
Fri, Jun 5 - Tue, Jun 9

United Airlines flights from Portland to Bismarck

Our best United Airlines deals on Portland to Bismarck flight tickets
United Airlines
May 27
PDX11:16 amPortland
10h 25m
2 stops
BIS11:41 pmBismarck
Jun 3
BIS6:25 pmBismarck
6h 33m
1 stop
PDX10:58 pmPortland
$372
United Airlines
Jun 5
PDX5:00 amPortland
5h 56m
1 stop
BIS12:56 pmBismarck
Jun 9
BIS1:45 pmBismarck
9h 09m
2 stops
PDX8:54 pmPortland
$415
United Airlines
Jun 9
PDX8:50 amPortland
6h 29m
1 stop
BIS5:19 pmBismarck
Jun 13
BIS1:45 pmBismarck
6h 01m
1 stop
PDX5:46 pmPortland
$422

American Airlines flights from Portland to Bismarck

Our best American Airlines deals on Portland to Bismarck flight tickets
American Airlines
Jun 9
PDX10:59 pmPortland
12h 31m
2 stops
BIS1:30 pmBismarck
Jun 13
BIS12:47 pmBismarck
10h 34m
1 stop
PDX9:21 pmPortland
$401
American Airlines
Jun 9
PDX10:59 pmPortland
12h 31m
2 stops
BIS1:30 pmBismarck
Jun 13
BIS2:00 pmBismarck
12h 20m
2 stops
PDX12:20 amPortland
$406
American Airlines
May 27
PDX10:59 pmPortland
12h 31m
2 stops
BIS1:30 pmBismarck
Jun 3
BIS6:00 amBismarck
10h 57m
2 stops
PDX2:57 pmPortland
$429

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 25, 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
Quickest round-trip

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 8/14

3:28 pm-11:12 pm

1 stop5h 44m

Bismarck

Thu 8/27

1:27 pm-5:34 pm

1 stop6h 07m

$319

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 8/14

3:28 pm-11:12 pm

1 stop5h 44m

Bismarck

Wed 8/19

5:00 am-10:48 am

1 stop7h 48m

$344

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sun 8/2

12:30 am-10:30 am

1 stop8h 00m

Bismarck

Tue 8/11

1:27 pm-8:17 pm

1 stop8h 50m

$396

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 6/9

10:59 pm-1:30 pm

2 stops12h 31m

Bismarck

Sat 6/13

12:47 pm-9:21 pm

1 stop10h 34m

$401

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 6/9

10:59 pm-1:30 pm

2 stops12h 31m

Bismarck

Sat 6/13

2:00 pm-12:20 am

2 stops12h 20m

$406

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 6/5

5:00 am-12:56 pm

1 stop5h 56m

Bismarck

Tue 6/9

1:45 pm-8:54 pm

2 stops9h 09m

$415

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 6/9

8:50 am-5:19 pm

1 stop6h 29m

Bismarck

Sat 6/13

1:45 pm-5:46 pm

1 stop6h 01m

$422

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 6/10

3:00 pm-11:21 pm

1 stop6h 21m

Bismarck

Mon 6/15

5:42 pm-11:18 pm

1 stop7h 36m

$439

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 7/31

12:50 pm-11:11 pm

1 stop8h 21m

Bismarck

Mon 8/10

6:25 pm-11:13 pm

1 stop6h 48m

$449

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 6/5

1:34 pm-11:57 pm

1 stop8h 23m

Bismarck

Tue 6/9

12:47 pm-9:21 pm

1 stop10h 34m

$482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 29% 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

5h 26m

Direct flights

None
The fastest flight from Portland to Bismarck takes 5h 26m
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. 5h 26m 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 $273Free CancellationRating
7.9
8,434 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,747 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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