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

Allegiant Air, Delta, and United Airlines 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.

$204 Cheap Flights from Portland to Bismarck in 2026

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Find the cheapest flights from Portland to Bismarck

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:30 am - 10:31 am

PDX

BIS

8h 01m

1 stop

7:31 am - 12:54 pm

BIS

PDX

7h 23m

1 stop

$271Delta

Mon, May 4 - Tue, May 12

12:30 am - 10:31 am

PDX

BIS

8h 01m

1 stop

7:31 am - 12:54 pm

BIS

PDX

7h 23m

1 stop

$275Delta

Wed, Apr 29 - Tue, May 12

12:30 am - 10:31 am

PDX

BIS

8h 01m

1 stop

7:31 am - 12:54 pm

BIS

PDX

7h 23m

1 stop

$279Delta

Wed, Apr 29 - Thu, May 14

7:32 pm - 10:31 am

PDX

BIS

12h 59m

2 stops

7:31 am - 12:54 pm

BIS

PDX

7h 23m

1 stop

$280Delta

Thu, Apr 30 - Tue, May 12

7:32 pm - 10:31 am

PDX

BIS

12h 59m

2 stops

7:31 am - 12:54 pm

BIS

PDX

7h 23m

1 stop

$284Delta

Thu, Apr 30 - Thu, May 14

12:30 am - 10:31 am

PDX

BIS

8h 01m

1 stop

7:31 am - 12:54 pm

BIS

PDX

7h 23m

1 stop

$290Delta

Mon, May 4 - Mon, May 11

12:30 am - 10:31 am

PDX

BIS

8h 01m

1 stop

7:31 am - 12:54 pm

BIS

PDX

7h 23m

1 stop

$294Delta

Wed, Apr 29 - Wed, May 13

7:32 pm - 10:31 am

PDX

BIS

12h 59m

2 stops

7:31 am - 12:54 pm

BIS

PDX

7h 23m

1 stop

$299Delta

Thu, Apr 30 - Fri, May 15

6:15 am - 4:16 pm

PDX

BIS

8h 01m

1 stop

7:31 am - 12:54 pm

BIS

PDX

7h 23m

1 stop

$309Delta

Sat, May 2 - Fri, May 15

7:32 pm - 10:31 am

PDX

BIS

12h 59m

2 stops

7:31 am - 12:54 pm

BIS

PDX

7h 23m

1 stop

$314Delta

Mon, May 4 - Thu, May 14

United Airlines flights from Portland to Bismarck

Our best United Airlines deals on Portland to Bismarck flight tickets

United Airlines

May 2

PDX5:15 amPortland

5h 33m

1 stop

BIS12:48 pmBismarck

May 13

BIS5:50 amBismarck

5h 50m

1 stop

PDX9:40 amPortland

$351

United Airlines

May 2

PDX5:30 amPortland

12h 33m

2 stops

BIS8:03 pmBismarck

May 13

BIS5:50 amBismarck

5h 50m

1 stop

PDX9:40 amPortland

$356

United Airlines

May 5

PDX5:30 amPortland

12h 33m

2 stops

BIS8:03 pmBismarck

May 12

BIS5:50 amBismarck

8h 35m

2 stops

PDX12:25 pmPortland

$361

American Airlines flights from Portland to Bismarck

Our best American Airlines deals on Portland to Bismarck flight tickets

American Airlines

May 13

PDX11:59 pmPortland

10h 14m

1 stop

BIS12:13 pmBismarck

May 28

BIS12:51 pmBismarck

10h 41m

1 stop

PDX9:32 pmPortland

$355

American Airlines

May 12

PDX11:59 pmPortland

10h 14m

1 stop

BIS12:13 pmBismarck

May 28

BIS12:51 pmBismarck

10h 41m

1 stop

PDX9:32 pmPortland

$411

Fly from

Fly to

Route

Depart

Return

Price

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Mon 5/4

12:30 am-10:31 am

1 stop8h 01m

Bismarck

Tue 5/12

7:31 am-12:54 pm

1 stop7h 23m

$271

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 4/29

12:30 am-10:31 am

1 stop8h 01m

Bismarck

Tue 5/12

7:31 am-12:54 pm

1 stop7h 23m

$275

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 4/29

12:30 am-10:31 am

1 stop8h 01m

Bismarck

Thu 5/14

7:31 am-12:54 pm

1 stop7h 23m

$279

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 4/30

7:32 pm-10:31 am

2 stops12h 59m

Bismarck

Tue 5/12

7:31 am-12:54 pm

1 stop7h 23m

$280

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 4/30

7:32 pm-10:31 am

2 stops12h 59m

Bismarck

Thu 5/14

7:31 am-12:54 pm

1 stop7h 23m

$284

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Mon 5/4

12:30 am-10:31 am

1 stop8h 01m

Bismarck

Mon 5/11

7:31 am-12:54 pm

1 stop7h 23m

$290

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 4/29

12:30 am-10:31 am

1 stop8h 01m

Bismarck

Wed 5/13

7:31 am-12:54 pm

1 stop7h 23m

$294

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 4/30

7:32 pm-10:31 am

2 stops12h 59m

Bismarck

Fri 5/15

7:31 am-12:54 pm

1 stop7h 23m

$299

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 5/2

6:15 am-4:16 pm

1 stop8h 01m

Bismarck

Fri 5/15

7:31 am-12:54 pm

1 stop7h 23m

$309

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Mon 5/4

7:32 pm-10:31 am

2 stops12h 59m

Bismarck

Thu 5/14

7:31 am-12:54 pm

1 stop7h 23m

$314

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 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.

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 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 70% of the total bookings. Other popular airlines include Delta with 30%.

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 8,051 reviews		Search Delta flights
United Airlines	PriceFrom $282	Free Cancellation	Rating 7.4 9,163 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.