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Cheap flights from Portland to Bismarck from $344

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 7/24. 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.
Delta Logo
3:00 pm - 11:11 pm
PDX
-
BIS
6h 11m
1 stop
Delta Logo
1:28 pm - 8:15 pm
BIS
-
PDX
8h 47m
1 stop
$344Delta
Fri, Jul 24 - Sat, Aug 1
Delta Logo
12:33 am - 10:40 am
PDX
-
BIS
8h 07m
1 stop
Delta Logo
5:40 pm - 11:18 pm
BIS
-
PDX
7h 38m
1 stop
$371Delta
Tue, Jul 14 - Tue, Jul 21
United Airlines Logo
4:07 pm - 11:38 pm
PDX
-
BIS
5h 31m
1 stop
United Airlines Logo
5:15 pm - 9:05 pm
BIS
-
PDX
5h 50m
1 stop
$430United Airlines
Wed, Sep 2 - Sat, Sep 5
United Airlines Logo
11:05 am - 8:28 pm
PDX
-
BIS
7h 23m
1 stop
United Airlines Logo
9:16 am - 3:13 pm
BIS
-
PDX
7h 57m
1 stop
$456United Airlines
Fri, Jul 10 - Tue, Jul 14
United Airlines Logo
9:00 am - 11:38 pm
PDX
-
BIS
12h 38m
2 stops
United Airlines Logo
5:15 pm - 9:05 pm
BIS
-
PDX
5h 50m
1 stop
$464United Airlines
Wed, Sep 2 - Sat, Sep 5
United Airlines Logo
12:50 pm - 11:11 pm
PDX
-
BIS
8h 21m
1 stop
United Airlines Logo
9:16 am - 3:13 pm
BIS
-
PDX
7h 57m
1 stop
$475United Airlines
Thu, Jul 9 - Tue, Jul 14
Delta Logo
12:33 am - 10:40 am
PDX
-
BIS
8h 07m
1 stop
Delta Logo
5:00 am - 10:42 am
BIS
-
PDX
7h 42m
1 stop
$479Delta
Tue, Jul 14 - Tue, Jul 21
United Airlines Logo
4:05 pm - 11:37 pm
PDX
-
BIS
5h 32m
1 stop
United Airlines Logo
5:07 pm - 8:49 pm
BIS
-
PDX
5h 42m
1 stop
$508United Airlines
Fri, Oct 30 - Sun, Nov 8
United Airlines Logo
4:07 pm - 11:38 pm
PDX
-
BIS
5h 31m
1 stop
United Airlines Logo
1:40 pm - 5:50 pm
BIS
-
PDX
6h 10m
1 stop
$544United Airlines
Wed, Sep 2 - Sat, Sep 5
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
$547United Airlines
Fri, Jul 31 - Sun, Aug 2

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American Airlines flights from Portland to Bismarck

Our best American Airlines deals on Portland to Bismarck flight tickets
American Airlines
Jul 9
PDX1:34 pmPortland
8h 22m
1 stop
BIS11:56 pmBismarck
Jul 14
BIS6:00 amBismarck
12h 38m
2 stops
PDX4:38 pmPortland
$589
American Airlines
Oct 30
PDX11:55 amPortland
9h 01m
1 stop
BIS10:56 pmBismarck
Nov 8
BIS6:00 amBismarck
13h 12m
2 stops
PDX5:12 pmPortland
$656
American Airlines
Jul 24
PDX11:15 pmPortland
12h 10m
2 stops
BIS1:25 pmBismarck
Aug 1
BIS1:55 pmBismarck
9h 34m
1 stop
PDX9:29 pmPortland
$697

Delta flights from Portland to Bismarck

Our best Delta deals on Portland to Bismarck flight tickets
Delta
Jul 24
PDX3:00 pmPortland
6h 11m
1 stop
BIS11:11 pmBismarck
Aug 1
BIS1:28 pmBismarck
8h 47m
1 stop
PDX8:15 pmPortland
$344
Delta
Jul 14
PDX12:33 amPortland
8h 07m
1 stop
BIS10:40 amBismarck
Jul 21
BIS5:40 pmBismarck
7h 38m
1 stop
PDX11:18 pmPortland
$371
Delta
Jul 14
PDX12:33 amPortland
8h 07m
1 stop
BIS10:40 amBismarck
Jul 21
BIS5:00 amBismarck
7h 42m
1 stop
PDX10:42 amPortland
$479

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 June 19, 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 7/24

3:00 pm-11:11 pm

1 stop6h 11m

Bismarck

Sat 8/1

1:28 pm-8:15 pm

1 stop8h 47m

$344

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 7/14

12:33 am-10:40 am

1 stop8h 07m

Bismarck

Tue 7/21

5:40 pm-11:18 pm

1 stop7h 38m

$371

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 9/2

4:07 pm-11:38 pm

1 stop5h 31m

Bismarck

Sat 9/5

5:15 pm-9:05 pm

1 stop5h 50m

$430

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 7/10

11:05 am-8:28 pm

1 stop7h 23m

Bismarck

Tue 7/14

9:16 am-3:13 pm

1 stop7h 57m

$456

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 9/2

9:00 am-11:38 pm

2 stops12h 38m

Bismarck

Sat 9/5

5:15 pm-9:05 pm

1 stop5h 50m

$464

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 7/9

12:50 pm-11:11 pm

1 stop8h 21m

Bismarck

Tue 7/14

9:16 am-3:13 pm

1 stop7h 57m

$475

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 7/14

12:33 am-10:40 am

1 stop8h 07m

Bismarck

Tue 7/21

5:00 am-10:42 am

1 stop7h 42m

$479
Quickest round-trip

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 10/30

4:05 pm-11:37 pm

1 stop5h 32m

Bismarck

Sun 11/8

5:07 pm-8:49 pm

1 stop5h 42m

$508

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 9/2

4:07 pm-11:38 pm

1 stop5h 31m

Bismarck

Sat 9/5

1:40 pm-5:50 pm

1 stop6h 10m

$544

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 7/31

12:50 pm-11:11 pm

1 stop8h 21m

Bismarck

Sun 8/2

6:25 pm-11:13 pm

1 stop6h 48m

$547

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 31m

Direct flights

None
The fastest flight from Portland to Bismarck takes 5h 31m
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 31m 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
8,419 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,860 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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