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Cheap flights from Portland to Bismarck from $259

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Bismarck departing on 1/30. 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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Find the cheapest flights from Portland to Bismarck

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:24 pm - 8:38 pm
PDX
-
BIS
5h 14m1 stop
United Airlines Logo
5:30 am - 9:45 am
BIS
-
PDX
6h 15m1 stop
$259United Airlines
Fri, Jan 30 - Sun, Feb 1
Delta Logo
11:10 am - 11:26 pm
PDX
-
BIS
10h 16m2 stops
Delta Logo
1:31 pm - 8:32 pm
BIS
-
PDX
9h 01m1 stop
$264Delta
Fri, Jan 30 - Sun, Feb 1
Delta Logo
5:30 am - 4:34 pm
PDX
-
BIS
9h 04m2 stops
Delta Logo
1:28 pm - 8:33 am
BIS
-
PDX
21h 05m2 stops
$293Delta
Wed, Jan 28 - Sat, Jan 31
Delta Logo
7:05 am - 8:19 pm
PDX
-
BIS
11h 14m2 stops
Delta Logo
5:00 pm - 9:11 pm
BIS
-
PDX
6h 11m1 stop
$304Delta
Wed, Apr 1 - Sat, Apr 11
Delta Logo
7:05 am - 8:19 pm
PDX
-
BIS
11h 14m2 stops
Delta Logo
1:22 pm - 5:39 pm
BIS
-
PDX
6h 17m1 stop
$324Delta
Wed, Mar 11 - Mon, Mar 16
Delta Logo
7:05 am - 8:19 pm
PDX
-
BIS
11h 14m2 stops
Delta Logo
1:22 pm - 11:54 pm
BIS
-
PDX
12h 32m2 stops
$329Delta
Wed, Mar 11 - Mon, Mar 16
Delta Logo
11:10 am - 11:26 pm
PDX
-
BIS
10h 16m2 stops
Delta Logo
1:31 pm - 8:32 pm
BIS
-
PDX
9h 01m1 stop
$336Delta
Fri, Feb 6 - Sun, Feb 8
United Airlines Logo
5:00 am - 12:51 pm
PDX
-
BIS
5h 51m1 stop
United Airlines Logo
5:30 am - 9:45 am
BIS
-
PDX
6h 15m1 stop
$339United Airlines
Wed, Jan 28 - Sat, Jan 31
United Airlines Logo
5:00 am - 12:51 pm
PDX
-
BIS
5h 51m1 stop
United Airlines Logo
1:35 pm - 11:06 pm
BIS
-
PDX
11h 31m2 stops
$344United Airlines
Wed, Jan 28 - Sat, Jan 31
United Airlines Logo
4:00 pm - 11:43 pm
PDX
-
BIS
5h 43m1 stop
United Airlines Logo
6:25 pm - 10:59 pm
BIS
-
PDX
6h 34m1 stop
$377United Airlines
Fri, Feb 13 - Sun, Feb 15

United Airlines flights from Portland to Bismarck

Our best United Airlines deals on Portland to Bismarck flight tickets
United Airlines
Jan 30
PDX1:24 pmPortland
5h 14m
1 stop
BIS8:38 pmBismarck
Feb 1
BIS5:30 amBismarck
6h 15m
1 stop
PDX9:45 amPortland
$259
Find similar
United Airlines
Jan 28
PDX5:00 amPortland
5h 51m
1 stop
BIS12:51 pmBismarck
Jan 31
BIS1:35 pmBismarck
11h 31m
2 stops
PDX11:06 pmPortland
$344
Find similar
United Airlines
Feb 13
PDX4:00 pmPortland
5h 43m
1 stop
BIS11:43 pmBismarck
Feb 15
BIS6:25 pmBismarck
6h 34m
1 stop
PDX10:59 pmPortland
$377
Find similar

Delta flights from Portland to Bismarck

Our best Delta deals on Portland to Bismarck flight tickets
Delta
Jan 30
PDX11:10 amPortland
10h 16m
2 stops
BIS11:26 pmBismarck
Feb 1
BIS1:31 pmBismarck
9h 01m
1 stop
PDX8:32 pmPortland
$264
Find similar
Delta
Jan 28
PDX5:30 amPortland
9h 04m
2 stops
BIS4:34 pmBismarck
Jan 31
BIS1:28 pmBismarck
21h 05m
2 stops
PDX8:33 amPortland
$293
Find similar
Delta
Apr 1
PDX7:05 amPortland
11h 14m
2 stops
BIS8:19 pmBismarck
Apr 11
BIS5:00 pmBismarck
6h 11m
1 stop
PDX9:11 pmPortland
$304
Find similar

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 December 4, 2025.
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

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 1/30

1:24 pm-8:38 pm

1 stop5h 14m

Bismarck

Sun 2/1

5:30 am-9:45 am

1 stop6h 15m

$259

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 1/30

11:10 am-11:26 pm

2 stops10h 16m

Bismarck

Sun 2/1

1:31 pm-8:32 pm

1 stop9h 01m

$264

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 1/28

5:30 am-4:34 pm

2 stops9h 04m

Bismarck

Sat 1/31

1:28 pm-8:33 am

2 stops21h 05m

$293

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 4/1

7:05 am-8:19 pm

2 stops11h 14m

Bismarck

Sat 4/11

5:00 pm-9:11 pm

1 stop6h 11m

$304

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 3/11

7:05 am-8:19 pm

2 stops11h 14m

Bismarck

Mon 3/16

1:22 pm-5:39 pm

1 stop6h 17m

$324

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 3/11

7:05 am-8:19 pm

2 stops11h 14m

Bismarck

Mon 3/16

1:22 pm-11:54 pm

2 stops12h 32m

$329

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 2/6

11:10 am-11:26 pm

2 stops10h 16m

Bismarck

Sun 2/8

1:31 pm-8:32 pm

1 stop9h 01m

$336

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 1/28

5:00 am-12:51 pm

1 stop5h 51m

Bismarck

Sat 1/31

5:30 am-9:45 am

1 stop6h 15m

$339

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 1/28

5:00 am-12:51 pm

1 stop5h 51m

Bismarck

Sat 1/31

1:35 pm-11:06 pm

2 stops11h 31m

$344

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 2/13

4:00 pm-11:43 pm

1 stop5h 43m

Bismarck

Sun 2/15

6:25 pm-10:59 pm

1 stop6h 34m

$377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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, September 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 $287. If you aren’t able to travel during the month of September, then book flights to Bismarck from Portland during May instead. Flights to Bismarck in May, while not as cheap as those in September, still average around $342.

What is the cheapest day to depart on your flight to Bismarck?

The cheapest day to depart from Portland to Bismarck is on a Friday. Travelers who choose to depart for Bismarck on a Friday will often find tickets for as low as $398. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $674. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bismarck.

What is the cheapest time of day to depart on your flight to Bismarck?

According to our data, the cheapest time of day to fly to Bismarck is in the evening. momondo users have found flights departing from Portland to Bismarck in the evening for as low as $296. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $569. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Portland to Bismarck flights?

You could potentially save up to 38% 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 14m

Direct flights

None
The fastest flight from Portland to Bismarck takes 5h 14m
There are no direct flights from Portland to Bismarck. There are no popular flight routes from Portland to Bismarck.
Search flight deals

  • How far is Portland to Bismarck by plane?

    The straight-line distance from Portland to Bismarck is 1047.2 mi. 5h 14m 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 $243Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,066 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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