Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Bismarck from $275

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 5/1. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Bismarck

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:15 pm - 11:38 pm
PDX
-
BIS
5h 23m
1 stop
United Airlines Logo
1:55 pm - 5:44 pm
BIS
-
PDX
5h 49m
1 stop
$275United Airlines
Fri, May 1 - Tue, May 5
Delta Logo
12:40 am - 10:35 am
PDX
-
BIS
7h 55m
1 stop
Delta Logo
7:40 am - 12:48 pm
BIS
-
PDX
7h 08m
1 stop
$279Delta
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
4:15 pm - 11:38 pm
PDX
-
BIS
5h 23m
1 stop
United Airlines Logo
9:00 am - 8:58 pm
BIS
-
PDX
13h 58m
2 stops
$280United Airlines
Fri, May 1 - Tue, May 5
Delta Logo
11:35 am - 11:22 pm
PDX
-
BIS
9h 47m
2 stops
Delta Logo
7:40 am - 12:48 pm
BIS
-
PDX
7h 08m
1 stop
$284Delta
Thu, Mar 5 - Sun, Mar 8
Delta Logo
12:40 am - 10:35 am
PDX
-
BIS
7h 55m
1 stop
Delta Logo
11:18 am - 5:33 pm
BIS
-
PDX
8h 15m
1 stop
$319Delta
Wed, Feb 25 - Mon, Mar 2
United Airlines Logo
5:05 am - 12:56 pm
PDX
-
BIS
5h 51m
1 stop
United Airlines Logo
6:25 pm - 11:14 pm
BIS
-
PDX
6h 49m
1 stop
$325United Airlines
Thu, Feb 26 - Sun, Mar 1
Delta Logo
12:05 am - 10:33 am
PDX
-
BIS
7h 28m
1 stop
Delta Logo
4:50 pm - 11:54 pm
BIS
-
PDX
9h 04m
2 stops
$334Delta
Sat, Mar 7 - Sun, Mar 15
Delta Logo
1:32 pm - 11:22 pm
PDX
-
BIS
7h 50m
2 stops
Delta Logo
11:18 am - 5:33 pm
BIS
-
PDX
8h 15m
1 stop
$359Delta
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
5:30 am - 8:31 pm
PDX
-
BIS
13h 01m
2 stops
United Airlines Logo
6:00 am - 12:35 pm
BIS
-
PDX
8h 35m
2 stops
$380United Airlines
Fri, May 1 - Tue, May 5
United Airlines Logo
4:00 pm - 11:43 pm
PDX
-
BIS
5h 43m
1 stop
United Airlines Logo
1:43 pm - 5:51 pm
BIS
-
PDX
6h 08m
1 stop
$399United Airlines
Fri, Feb 20 - Sun, Feb 22

Delta flights from Portland to Bismarck

Our best Delta deals on Portland to Bismarck flight tickets
Delta
Mar 7
PDX12:05 amPortland
7h 28m
1 stop
BIS10:33 amBismarck
Mar 15
BIS7:40 amBismarck
7h 08m
1 stop
PDX12:48 pmPortland
$279
Delta
Feb 25
PDX12:40 amPortland
7h 55m
1 stop
BIS10:35 amBismarck
Mar 2
BIS11:18 amBismarck
8h 15m
1 stop
PDX5:33 pmPortland
$319
Delta
Mar 7
PDX12:05 amPortland
7h 28m
1 stop
BIS10:33 amBismarck
Mar 15
BIS4:50 pmBismarck
9h 04m
2 stops
PDX11:54 pmPortland
$334

United Airlines flights from Portland to Bismarck

Our best United Airlines deals on Portland to Bismarck flight tickets
United Airlines
May 1
PDX4:15 pmPortland
5h 23m
1 stop
BIS11:38 pmBismarck
May 5
BIS1:55 pmBismarck
5h 49m
1 stop
PDX5:44 pmPortland
$275
United Airlines
May 1
PDX4:15 pmPortland
5h 23m
1 stop
BIS11:38 pmBismarck
May 5
BIS9:00 amBismarck
13h 58m
2 stops
PDX8:58 pmPortland
$280
United Airlines
May 1
PDX5:30 amPortland
13h 01m
2 stops
BIS8:31 pmBismarck
May 5
BIS6:00 amBismarck
8h 35m
2 stops
PDX12:35 pmPortland
$380

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 February 11, 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

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 5/1

4:15 pm-11:38 pm

1 stop5h 23m

Bismarck

Tue 5/5

1:55 pm-5:44 pm

1 stop5h 49m

$275

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 3/4

12:40 am-10:35 am

1 stop7h 55m

Bismarck

Sun 3/8

7:40 am-12:48 pm

1 stop7h 08m

$279

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 5/1

4:15 pm-11:38 pm

1 stop5h 23m

Bismarck

Tue 5/5

9:00 am-8:58 pm

2 stops13h 58m

$280

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 3/5

11:35 am-11:22 pm

2 stops9h 47m

Bismarck

Sun 3/8

7:40 am-12:48 pm

1 stop7h 08m

$284

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 2/25

12:40 am-10:35 am

1 stop7h 55m

Bismarck

Mon 3/2

11:18 am-5:33 pm

1 stop8h 15m

$319

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 2/26

5:05 am-12:56 pm

1 stop5h 51m

Bismarck

Sun 3/1

6:25 pm-11:14 pm

1 stop6h 49m

$325

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 3/7

12:05 am-10:33 am

1 stop7h 28m

Bismarck

Sun 3/15

4:50 pm-11:54 pm

2 stops9h 04m

$334

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 2/26

1:32 pm-11:22 pm

2 stops7h 50m

Bismarck

Mon 3/2

11:18 am-5:33 pm

1 stop8h 15m

$359

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 5/1

5:30 am-8:31 pm

2 stops13h 01m

Bismarck

Tue 5/5

6:00 am-12:35 pm

2 stops8h 35m

$380

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 2/20

4:00 pm-11:43 pm

1 stop5h 43m

Bismarck

Sun 2/22

1:43 pm-5:51 pm

1 stop6h 08m

$399

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 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 $344.

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 23m

Direct flights

None
The fastest flight from Portland to Bismarck takes 5h 23m
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 23m 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
8,180 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,279 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.

An easier way to manage your Bismarck trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 3/13
Fri 3/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States