What is the cheapest airline that flies from Portland to Bismarck?

Allegiant Air and Delta are the most popular carriers operating from Portland to Bismarck

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?

The number of operators available for flights from Portland Airport to Bismarck Airport is 2 as of January 2026.

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.

$194 Cheap Flights from Portland to Bismarck in 2026

Q: What is the typical price of a round-trip flight between Portland and Bismarck?

Prices are currently typical for flights on this route. Typical prices usually range from $273 to $686. The lowest price recently found on this route was $309.

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Find the cheapest flights from Portland to Bismarck

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:53 pm - 11:22 pm

PDX

BIS

7h 29m

1 stop

1:30 pm - 8:30 pm

BIS

PDX

9h 00m

1 stop

$309Delta

Fri, Feb 20 - Sun, Feb 22

1:27 pm - 11:22 pm

PDX

BIS

7h 55m

2 stops

1:30 pm - 8:30 pm

BIS

PDX

9h 00m

1 stop

$314Delta

Fri, Feb 20 - Sun, Feb 22

4:15 pm - 11:43 pm

PDX

BIS

5h 28m

1 stop

5:05 pm - 10:54 pm

BIS

PDX

7h 49m

1 stop

$322United Airlines

Thu, Apr 2 - Fri, Apr 10

4:15 pm - 11:43 pm

PDX

BIS

5h 28m

1 stop

5:05 pm - 10:54 pm

BIS

PDX

7h 49m

1 stop

$325United Airlines

Thu, Apr 2 - Fri, Apr 10

5:00 am - 12:58 pm

PDX

BIS

5h 58m

1 stop

6:00 am - 9:48 am

BIS

PDX

5h 48m

1 stop

$333United Airlines

Thu, Apr 9 - Sun, Apr 12

12:30 am - 10:33 am

PDX

BIS

8h 03m

1 stop

1:19 pm - 8:05 pm

BIS

PDX

8h 46m

1 stop

$354Delta

Thu, Apr 9 - Mon, Apr 13

10:35 am - 8:27 pm

PDX

BIS

7h 52m

1 stop

6:25 pm - 10:55 pm

BIS

PDX

6h 30m

1 stop

$398United Airlines

Sat, May 23 - Tue, May 26

12:30 am - 10:35 am

PDX

BIS

8h 05m

1 stop

1:19 pm - 8:05 pm

BIS

PDX

8h 46m

1 stop

$399Delta

Wed, Apr 22 - Sun, Apr 26

11:39 am - 7:53 pm

PDX

BIS

6h 14m

1 stop

5:30 pm - 11:34 pm

BIS

PDX

8h 04m

1 stop

$403Delta

Tue, Jul 28 - Mon, Aug 3

7:32 pm - 10:35 am

PDX

BIS

13h 03m

2 stops

1:19 pm - 8:05 pm

BIS

PDX

8h 46m

1 stop

$404Delta

Thu, Apr 23 - Sun, Apr 26

United Airlines flights from Portland to Bismarck

Our best United Airlines deals on Portland to Bismarck flight tickets

United Airlines

Apr 2

PDX4:15 pmPortland

5h 28m

1 stop

BIS11:43 pmBismarck

Apr 10

BIS5:05 pmBismarck

7h 49m

1 stop

PDX10:54 pmPortland

$322

United Airlines

Apr 2

PDX4:15 pmPortland

5h 28m

1 stop

BIS11:43 pmBismarck

Apr 10

BIS5:05 pmBismarck

7h 49m

1 stop

PDX10:54 pmPortland

$325

United Airlines

Apr 9

PDX5:00 amPortland

5h 58m

1 stop

BIS12:58 pmBismarck

Apr 12

BIS6:00 amBismarck

5h 48m

1 stop

PDX9:48 amPortland

$333

American Airlines flights from Portland to Bismarck

Our best American Airlines deals on Portland to Bismarck flight tickets

American Airlines

Apr 2

PDX11:59 pmPortland

11h 55m

2 stops

BIS1:54 pmBismarck

Apr 10

BIS2:26 pmBismarck

9h 12m

1 stop

PDX9:38 pmPortland

$458

American Airlines

Feb 16

PDX11:35 pmPortland

12h 19m

2 stops

BIS1:54 pmBismarck

Feb 23

BIS2:24 pmBismarck

9h 28m

1 stop

PDX9:52 pmPortland

$461

American Airlines

Feb 16

PDX11:35 pmPortland

12h 19m

2 stops

BIS1:54 pmBismarck

Feb 23

BIS2:24 pmBismarck

11h 35m

2 stops

PDX11:59 pmPortland

$580

Fly from

Fly to

Route

Depart

Return

Price

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 2/20

1:53 pm-11:22 pm

1 stop7h 29m

Bismarck

Sun 2/22

1:30 pm-8:30 pm

1 stop9h 00m

$309

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 2/20

1:27 pm-11:22 pm

2 stops7h 55m

Bismarck

Sun 2/22

1:30 pm-8:30 pm

1 stop9h 00m

$314

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 4/2

4:15 pm-11:43 pm

1 stop5h 28m

Bismarck

Fri 4/10

5:05 pm-10:54 pm

1 stop7h 49m

$322

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 4/2

4:15 pm-11:43 pm

1 stop5h 28m

Bismarck

Fri 4/10

5:05 pm-10:54 pm

1 stop7h 49m

$325

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 4/9

5:00 am-12:58 pm

1 stop5h 58m

Bismarck

Sun 4/12

6:00 am-9:48 am

1 stop5h 48m

$333

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 4/9

12:30 am-10:33 am

1 stop8h 03m

Bismarck

Mon 4/13

1:19 pm-8:05 pm

1 stop8h 46m

$354

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 5/23

10:35 am-8:27 pm

1 stop7h 52m

Bismarck

Tue 5/26

6:25 pm-10:55 pm

1 stop6h 30m

$398

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 4/22

12:30 am-10:35 am

1 stop8h 05m

Bismarck

Sun 4/26

1:19 pm-8:05 pm

1 stop8h 46m

$399

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 7/28

11:39 am-7:53 pm

1 stop6h 14m

Bismarck

Mon 8/3

5:30 pm-11:34 pm

1 stop8h 04m

$403

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 4/23

7:32 pm-10:35 am

2 stops13h 03m

Bismarck

Sun 4/26

1:19 pm-8:05 pm

1 stop8h 46m

$404

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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

Prices

Airlines

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 $282. 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 26% 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 28m
Direct flights	None

The fastest flight from Portland to Bismarck takes 5h 28m

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 28m 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?
The number of operators available for flights from Portland Airport to Bismarck Airport is 2 as of January 2026.
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?
Based on momondo bookings for flights between Portland and Bismarck, the leading airline is United Airlines, making up 68% of the total bookings. Other popular airlines include Delta with 32%.

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
Delta	PriceFrom $243	Free Cancellation	Rating 7.9 8,127 reviews		Search Delta flights
United Airlines	PriceFrom $287	Free Cancellation	Rating 7.4 9,215 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.