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Cheap flights from Portland to Bismarck from $288

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 8/13. 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
12:35 am - 10:30 am
PDX
-
BIS
7h 55m
1 stop
Delta Logo
5:00 am - 10:41 am
BIS
-
PDX
7h 41m
1 stop
$335Delta
Wed, Aug 19 - Tue, Aug 25
Delta Logo
12:35 am - 10:30 am
PDX
-
BIS
7h 55m
1 stop
Delta Logo
1:27 pm - 8:17 pm
BIS
-
PDX
8h 50m
1 stop
$339Delta
Wed, Aug 26 - Fri, Sep 4
Delta Logo
3:00 pm - 11:12 pm
PDX
-
BIS
6h 12m
1 stop
Delta Logo
1:27 pm - 8:17 pm
BIS
-
PDX
8h 50m
1 stop
$339Delta
Fri, Aug 21 - Fri, Aug 28
Delta Logo
1:35 pm - 11:11 pm
PDX
-
BIS
7h 36m
1 stop
Delta Logo
5:40 pm - 11:10 pm
BIS
-
PDX
7h 30m
1 stop
$339Delta
Fri, Sep 18 - Mon, Sep 21
United Airlines Logo
4:07 pm - 11:38 pm
PDX
-
BIS
5h 31m
1 stop
United Airlines Logo
6:00 am - 9:32 am
BIS
-
PDX
5h 32m
1 stop
$353United Airlines
Fri, Sep 18 - Mon, Sep 21
United Airlines Logo
9:00 am - 11:38 pm
PDX
-
BIS
12h 38m
2 stops
United Airlines Logo
6:35 pm - 10:54 pm
BIS
-
PDX
6h 19m
1 stop
$395United Airlines
Fri, Aug 21 - Fri, Aug 28
United Airlines Logo
1:03 pm - 11:38 pm
PDX
-
BIS
8h 35m
2 stops
United Airlines Logo
1:40 pm - 10:45 pm
BIS
-
PDX
11h 05m
2 stops
$435United Airlines
Fri, Aug 21 - Fri, Aug 28
American Airlines Logo
5:15 am - 10:44 pm
PDX
-
BIS
15h 29m
2 stops
American Airlines Logo
6:45 am - 12:48 pm
BIS
-
PDX
8h 03m
1 stop
$690American Airlines
Tue, Aug 11 - Tue, Aug 18
American Airlines Logo
5:15 am - 10:44 pm
PDX
-
BIS
15h 29m
2 stops
American Airlines Logo
6:45 am - 4:51 pm
BIS
-
PDX
12h 06m
2 stops
$746American Airlines
Tue, Aug 11 - Tue, Aug 18
American Airlines Logo
10:05 pm - 12:27 pm
PDX
-
BIS
12h 22m
2 stops
American Airlines Logo
1:55 pm - 11:59 pm
BIS
-
PDX
12h 04m
2 stops
$1,045American Airlines
Sat, Aug 15 - Mon, Aug 17

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United Airlines flights from Portland to Bismarck

Our best United Airlines deals on Portland to Bismarck flight tickets
United Airlines
Sep 18
PDX4:07 pmPortland
5h 31m
1 stop
BIS11:38 pmBismarck
Sep 21
BIS6:00 amBismarck
5h 32m
1 stop
PDX9:32 amPortland
$353
United Airlines
Aug 21
PDX9:00 amPortland
12h 38m
2 stops
BIS11:38 pmBismarck
Aug 28
BIS6:35 pmBismarck
6h 19m
1 stop
PDX10:54 pmPortland
$395
United Airlines
Aug 21
PDX1:03 pmPortland
8h 35m
2 stops
BIS11:38 pmBismarck
Aug 28
BIS1:40 pmBismarck
11h 05m
2 stops
PDX10:45 pmPortland
$435

American Airlines flights from Portland to Bismarck

Our best American Airlines deals on Portland to Bismarck flight tickets
American Airlines
Aug 11
PDX5:15 amPortland
15h 29m
2 stops
BIS10:44 pmBismarck
Aug 18
BIS6:45 amBismarck
8h 03m
1 stop
PDX12:48 pmPortland
$690
American Airlines
Aug 7
PDX11:34 pmPortland
11h 51m
2 stops
BIS1:25 pmBismarck
Aug 11
BIS6:45 amBismarck
12h 06m
2 stops
PDX4:51 pmPortland
$717
American Airlines
Aug 11
PDX5:15 amPortland
15h 29m
2 stops
BIS10:44 pmBismarck
Aug 18
BIS6:45 amBismarck
12h 06m
2 stops
PDX4:51 pmPortland
$746

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 July 28, 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 8/19

12:35 am-10:30 am

1 stop7h 55m

Bismarck

Tue 8/25

5:00 am-10:41 am

1 stop7h 41m

$335

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 8/26

12:35 am-10:30 am

1 stop7h 55m

Bismarck

Fri 9/4

1:27 pm-8:17 pm

1 stop8h 50m

$339

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 8/21

3:00 pm-11:12 pm

1 stop6h 12m

Bismarck

Fri 8/28

1:27 pm-8:17 pm

1 stop8h 50m

$339

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 9/18

1:35 pm-11:11 pm

1 stop7h 36m

Bismarck

Mon 9/21

5:40 pm-11:10 pm

1 stop7h 30m

$339
Quickest round-trip

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 9/18

4:07 pm-11:38 pm

1 stop5h 31m

Bismarck

Mon 9/21

6:00 am-9:32 am

1 stop5h 32m

$353

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 8/21

9:00 am-11:38 pm

2 stops12h 38m

Bismarck

Fri 8/28

6:35 pm-10:54 pm

1 stop6h 19m

$395

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 8/21

1:03 pm-11:38 pm

2 stops8h 35m

Bismarck

Fri 8/28

1:40 pm-10:45 pm

2 stops11h 05m

$435

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 8/11

5:15 am-10:44 pm

2 stops15h 29m

Bismarck

Tue 8/18

6:45 am-12:48 pm

1 stop8h 03m

$690

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 8/11

5:15 am-10:44 pm

2 stops15h 29m

Bismarck

Tue 8/18

6:45 am-4:51 pm

2 stops12h 06m

$746

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 8/15

10:05 pm-12:27 pm

2 stops12h 22m

Bismarck

Mon 8/17

1:55 pm-11:59 pm

2 stops12h 04m

$1,045

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 $325.

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 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
8,483 reviews
Search Delta flights
United AirlinesPriceFrom $328Free CancellationRating
7.4
10,048 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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