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Cheap flights from Portland to Bismarck from $164

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 9/22. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Bismarck

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 am - 11:38 pm
PDX
-
BIS
12h 38m
2 stops
United Airlines Logo
6:00 am - 9:28 am
BIS
-
PDX
5h 28m
1 stop
$316United Airlines
Tue, Sep 22 - Wed, Sep 30
Delta Logo
11:39 am - 7:57 pm
PDX
-
BIS
6h 18m
1 stop
Delta Logo
5:00 am - 10:36 am
BIS
-
PDX
7h 36m
1 stop
$319Delta
Sun, Nov 22 - Thu, Nov 26
United Airlines Logo
4:07 pm - 11:38 pm
PDX
-
BIS
5h 31m
1 stop
United Airlines Logo
9:05 am - 3:03 pm
BIS
-
PDX
7h 58m
1 stop
$324United Airlines
Tue, Sep 22 - Wed, Sep 30
Delta Logo
12:25 am - 10:32 am
PDX
-
BIS
8h 07m
1 stop
Delta Logo
1:17 pm - 5:31 pm
BIS
-
PDX
6h 14m
1 stop
$371Delta
Tue, Sep 8 - Mon, Sep 14
Delta Logo
6:15 am - 2:25 pm
PDX
-
BIS
6h 10m
1 stop
Delta Logo
5:30 pm - 11:47 pm
BIS
-
PDX
8h 17m
1 stop
$393Delta
Sat, Nov 21 - Fri, Nov 27
United Airlines Logo
5:00 am - 12:56 pm
PDX
-
BIS
5h 56m
1 stop
United Airlines Logo
6:25 pm - 11:13 pm
BIS
-
PDX
6h 48m
1 stop
$449United Airlines
Thu, Jul 23 - Sun, Jul 26
United Airlines Logo
11:05 am - 8:28 pm
PDX
-
BIS
7h 23m
1 stop
United Airlines Logo
6:25 pm - 11:13 pm
BIS
-
PDX
6h 48m
1 stop
$459United Airlines
Fri, Jul 17 - Fri, Jul 24
Delta Logo
8:44 pm - 10:32 am
PDX
-
BIS
11h 48m
2 stops
Delta Logo
1:17 pm - 11:54 pm
BIS
-
PDX
12h 37m
2 stops
$467Delta
Tue, Sep 22 - Wed, Sep 30
Delta Logo
11:35 am - 7:55 pm
PDX
-
BIS
6h 20m
1 stop
Delta Logo
1:17 pm - 10:02 pm
BIS
-
PDX
10h 45m
2 stops
$489Delta
Wed, Sep 9 - Mon, Sep 14
United Airlines Logo
5:00 am - 12:56 pm
PDX
-
BIS
5h 56m
1 stop
United Airlines Logo
6:00 am - 9:32 am
BIS
-
PDX
5h 32m
1 stop
$525United Airlines
Wed, Aug 5 - Tue, Aug 11

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United Airlines flights from Portland to Bismarck

Our best United Airlines deals on Portland to Bismarck flight tickets
United Airlines
Sep 22
PDX9:00 amPortland
12h 38m
2 stops
BIS11:38 pmBismarck
Sep 30
BIS6:00 amBismarck
5h 28m
1 stop
PDX9:28 amPortland
$316
United Airlines
Sep 22
PDX4:07 pmPortland
5h 31m
1 stop
BIS11:38 pmBismarck
Sep 30
BIS9:05 amBismarck
7h 58m
1 stop
PDX3:03 pmPortland
$324
United Airlines
Jul 23
PDX5:00 amPortland
5h 56m
1 stop
BIS12:56 pmBismarck
Jul 26
BIS6:25 pmBismarck
6h 48m
1 stop
PDX11:13 pmPortland
$449

Delta flights from Portland to Bismarck

Our best Delta deals on Portland to Bismarck flight tickets
Delta
Nov 22
PDX11:39 amPortland
6h 18m
1 stop
BIS7:57 pmBismarck
Nov 26
BIS5:00 amBismarck
7h 36m
1 stop
PDX10:36 amPortland
$319
Delta
Sep 8
PDX12:25 amPortland
8h 07m
1 stop
BIS10:32 amBismarck
Sep 14
BIS1:17 pmBismarck
6h 14m
1 stop
PDX5:31 pmPortland
$371
Delta
Nov 21
PDX6:15 amPortland
6h 10m
1 stop
BIS2:25 pmBismarck
Nov 27
BIS5:30 pmBismarck
8h 17m
1 stop
PDX11:47 pmPortland
$393

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 July 8, 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

Tue 9/22

9:00 am-11:38 pm

2 stops12h 38m

Bismarck

Wed 9/30

6:00 am-9:28 am

1 stop5h 28m

$316

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sun 11/22

11:39 am-7:57 pm

1 stop6h 18m

Bismarck

Thu 11/26

5:00 am-10:36 am

1 stop7h 36m

$319

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 9/22

4:07 pm-11:38 pm

1 stop5h 31m

Bismarck

Wed 9/30

9:05 am-3:03 pm

1 stop7h 58m

$324

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 9/8

12:25 am-10:32 am

1 stop8h 07m

Bismarck

Mon 9/14

1:17 pm-5:31 pm

1 stop6h 14m

$371

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 11/21

6:15 am-2:25 pm

1 stop6h 10m

Bismarck

Fri 11/27

5:30 pm-11:47 pm

1 stop8h 17m

$393

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 7/23

5:00 am-12:56 pm

1 stop5h 56m

Bismarck

Sun 7/26

6:25 pm-11:13 pm

1 stop6h 48m

$449

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 7/17

11:05 am-8:28 pm

1 stop7h 23m

Bismarck

Fri 7/24

6:25 pm-11:13 pm

1 stop6h 48m

$459

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 9/22

8:44 pm-10:32 am

2 stops11h 48m

Bismarck

Wed 9/30

1:17 pm-11:54 pm

2 stops12h 37m

$467

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 9/9

11:35 am-7:55 pm

1 stop6h 20m

Bismarck

Mon 9/14

1:17 pm-10:02 pm

2 stops10h 45m

$489
Quickest round-trip

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 8/5

5:00 am-12:56 pm

1 stop5h 56m

Bismarck

Tue 8/11

6:00 am-9:32 am

1 stop5h 32m

$525

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 38m

Direct flights

None
The fastest flight from Portland to Bismarck takes 5h 38m
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 38m 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 $279Free CancellationRating
7.8
8,450 reviews
Search Delta flights
United AirlinesPriceFrom $328Free CancellationRating
7.4
9,944 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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