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Cheap flights from Portland to Bismarck from $166

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 9/6. 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
11:52 am - 7:31 pm
PDX
-
BIS
5h 39m
1 stop
Delta Logo
5:42 pm - 11:47 pm
BIS
-
PDX
8h 05m
1 stop
$321Delta
Wed, Nov 25 - Wed, Dec 2
Delta Logo
6:00 am - 2:32 pm
PDX
-
BIS
6h 32m
1 stop
Delta Logo
5:42 pm - 11:47 pm
BIS
-
PDX
8h 05m
1 stop
$321Delta
Tue, Nov 24 - Wed, Dec 2
United Airlines Logo
10:50 am - 8:33 pm
PDX
-
BIS
7h 43m
1 stop
United Airlines Logo
9:00 am - 3:05 pm
BIS
-
PDX
8h 05m
1 stop
$325United Airlines
Sat, Aug 29 - Sat, Sep 5
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
$325United Airlines
Sat, Aug 29 - Tue, Sep 1
Delta Logo
6:00 am - 2:32 pm
PDX
-
BIS
6h 32m
1 stop
Delta Logo
5:00 am - 10:36 am
BIS
-
PDX
7h 36m
1 stop
$325Delta
Tue, Nov 24 - Sun, Nov 29
Delta Logo
6:00 am - 2:32 pm
PDX
-
BIS
6h 32m
1 stop
Delta Logo
5:15 pm - 11:59 pm
BIS
-
PDX
8h 44m
1 stop
$325Delta
Wed, Nov 25 - Thu, Nov 26
United Airlines Logo
5:30 am - 8:33 pm
PDX
-
BIS
13h 03m
2 stops
United Airlines Logo
9:00 am - 1:14 pm
BIS
-
PDX
6h 14m
1 stop
$330United Airlines
Sat, Aug 29 - Tue, Sep 1
American Airlines Logo
11:58 am - 10:59 pm
PDX
-
BIS
9h 01m
1 stop
American Airlines Logo
7:03 am - 1:32 pm
BIS
-
PDX
8h 29m
1 stop
$673American Airlines
Fri, Oct 9 - Sun, Oct 11
American Airlines Logo
10:55 pm - 1:37 pm
PDX
-
BIS
12h 42m
2 stops
American Airlines Logo
7:03 am - 1:32 pm
BIS
-
PDX
8h 29m
1 stop
$707American Airlines
Fri, Oct 9 - Sun, Oct 11
American Airlines Logo
10:55 pm - 1:37 pm
PDX
-
BIS
12h 42m
2 stops
American Airlines Logo
7:03 am - 5:09 pm
BIS
-
PDX
12h 06m
2 stops
$771American Airlines
Fri, Oct 9 - Sun, Oct 11

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Delta flights from Portland to Bismarck

Our best Delta deals on Portland to Bismarck flight tickets
Delta
Nov 24
PDX6:00 amPortland
6h 32m
1 stop
BIS2:32 pmBismarck
Dec 2
BIS5:42 pmBismarck
8h 05m
1 stop
PDX11:47 pmPortland
$321
Delta
Nov 24
PDX6:00 amPortland
6h 32m
1 stop
BIS2:32 pmBismarck
Nov 29
BIS5:00 amBismarck
7h 36m
1 stop
PDX10:36 amPortland
$325
Delta
Nov 23
PDX11:52 amPortland
5h 39m
1 stop
BIS7:31 pmBismarck
Nov 26
BIS5:15 pmBismarck
8h 44m
1 stop
PDX11:59 pmPortland
$329

United Airlines flights from Portland to Bismarck

Our best United Airlines deals on Portland to Bismarck flight tickets
United Airlines
Aug 29
PDX5:30 amPortland
13h 03m
2 stops
BIS8:33 pmBismarck
Sep 1
BIS9:00 amBismarck
6h 14m
1 stop
PDX1:14 pmPortland
$330
United Airlines
Aug 29
PDX5:30 amPortland
13h 03m
2 stops
BIS8:33 pmBismarck
Sep 1
BIS9:00 amBismarck
13h 31m
2 stops
PDX8:31 pmPortland
$335
United Airlines
Aug 29
PDX5:30 amPortland
13h 03m
2 stops
BIS8:33 pmBismarck
Sep 5
BIS1:40 pmBismarck
11h 05m
2 stops
PDX10:45 pmPortland
$339

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 August 3, 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

Wed 11/25

11:52 am-7:31 pm

1 stop5h 39m

Bismarck

Wed 12/2

5:42 pm-11:47 pm

1 stop8h 05m

$321

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 11/24

6:00 am-2:32 pm

1 stop6h 32m

Bismarck

Wed 12/2

5:42 pm-11:47 pm

1 stop8h 05m

$321

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 8/29

10:50 am-8:33 pm

1 stop7h 43m

Bismarck

Sat 9/5

9:00 am-3:05 pm

1 stop8h 05m

$325
Quickest round-trip

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 8/29

5:00 am-12:56 pm

1 stop5h 56m

Bismarck

Tue 9/1

6:00 am-9:32 am

1 stop5h 32m

$325

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 11/24

6:00 am-2:32 pm

1 stop6h 32m

Bismarck

Sun 11/29

5:00 am-10:36 am

1 stop7h 36m

$325

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 11/25

6:00 am-2:32 pm

1 stop6h 32m

Bismarck

Thu 11/26

5:15 pm-11:59 pm

1 stop8h 44m

$325

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 8/29

5:30 am-8:33 pm

2 stops13h 03m

Bismarck

Tue 9/1

9:00 am-1:14 pm

1 stop6h 14m

$330

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 10/9

11:58 am-10:59 pm

1 stop9h 01m

Bismarck

Sun 10/11

7:03 am-1:32 pm

1 stop8h 29m

$673

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 10/9

10:55 pm-1:37 pm

2 stops12h 42m

Bismarck

Sun 10/11

7:03 am-1:32 pm

1 stop8h 29m

$707

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 10/9

10:55 pm-1:37 pm

2 stops12h 42m

Bismarck

Sun 10/11

7:03 am-5:09 pm

2 stops12h 06m

$771

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?

Prices are currently low for flights on this route.

Typical prices usually range from $460 to $577.
The lowest price recently found on this route was $321.

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 $0. If you aren’t able to travel during the month of September, then book flights to Bismarck from Portland during February instead. Flights to Bismarck in February, while not as cheap as those in September, still average around $279.

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 14m

Direct flights

None
The fastest flight from Portland to Bismarck takes 5h 14m
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 14m 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
8,483 reviews
Search Delta flights
United AirlinesPriceFrom $328Free CancellationRating
7.4
10,058 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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