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Cheap flights from Portland to Bismarck from $279

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 5/22. 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

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Find the cheapest flights from Portland to Bismarck

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:39 am - 7:53 pm
PDX
-
BIS
6h 14m1 stop
Delta Logo
6:10 am - 12:54 pm
BIS
-
PDX
8h 44m1 stop
$279Delta
Fri, May 22 - Sun, May 24
United Airlines Logo
5:00 am - 12:51 pm
PDX
-
BIS
5h 51m1 stop
United Airlines Logo
1:35 pm - 11:06 pm
BIS
-
PDX
11h 31m2 stops
$280United Airlines
Sat, Jan 24 - Sat, Jan 31
Delta Logo
1:53 pm - 11:30 pm
PDX
-
BIS
7h 37m1 stop
Delta Logo
1:28 pm - 8:32 pm
BIS
-
PDX
9h 04m1 stop
$290Delta
Sat, Jan 24 - Sat, Jan 31
Delta Logo
1:30 pm - 11:30 pm
PDX
-
BIS
8h 00m2 stops
Delta Logo
1:28 pm - 10:54 pm
BIS
-
PDX
11h 26m2 stops
$300Delta
Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
5:00 am - 12:51 pm
PDX
-
BIS
5h 51m1 stop
United Airlines Logo
9:00 am - 1:45 pm
BIS
-
PDX
6h 45m1 stop
$304United Airlines
Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
5:35 am - 4:32 pm
PDX
-
BIS
8h 57m2 stops
United Airlines Logo
1:35 pm - 11:06 pm
BIS
-
PDX
11h 31m2 stops
$355United Airlines
Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
3:50 pm - 11:43 pm
PDX
-
BIS
5h 53m1 stop
United Airlines Logo
5:30 am - 9:42 am
BIS
-
PDX
6h 12m1 stop
$400United Airlines
Wed, Feb 18 - Sat, Feb 21
United Airlines Logo
3:50 pm - 11:43 pm
PDX
-
BIS
5h 53m1 stop
United Airlines Logo
5:30 am - 9:42 am
BIS
-
PDX
6h 12m1 stop
$417United Airlines
Wed, Feb 18 - Sat, Feb 21
Delta Logo
11:39 am - 7:53 pm
PDX
-
BIS
6h 14m1 stop
Delta Logo
6:10 am - 12:31 pm
BIS
-
PDX
8h 21m2 stops
$444Delta
Fri, May 22 - Sun, May 24
United Airlines Logo
3:50 pm - 11:43 pm
PDX
-
BIS
29h 53m2 stops
United Airlines Logo
5:30 am - 9:42 am
BIS
-
PDX
6h 12m1 stop
$488United Airlines
Wed, Feb 18 - Sat, Feb 21

United Airlines flights from Portland to Bismarck

Our best United Airlines deals on Portland to Bismarck flight tickets
United Airlines
Jan 24
PDX5:00 amPortland
5h 51m
1 stop
BIS12:51 pmBismarck
Jan 31
BIS1:35 pmBismarck
11h 31m
2 stops
PDX11:06 pmPortland
$280
Find similar
United Airlines
Jan 24
PDX5:00 amPortland
5h 51m
1 stop
BIS12:51 pmBismarck
Jan 31
BIS9:00 amBismarck
6h 45m
1 stop
PDX1:45 pmPortland
$304
Find similar
United Airlines
Jan 24
PDX5:35 amPortland
8h 57m
2 stops
BIS4:32 pmBismarck
Jan 31
BIS1:35 pmBismarck
11h 31m
2 stops
PDX11:06 pmPortland
$355
Find similar

Delta flights from Portland to Bismarck

Our best Delta deals on Portland to Bismarck flight tickets
Delta
May 22
PDX11:39 amPortland
6h 14m
1 stop
BIS7:53 pmBismarck
May 24
BIS6:10 amBismarck
8h 44m
1 stop
PDX12:54 pmPortland
$279
Find similar
Delta
Jan 24
PDX1:53 pmPortland
7h 37m
1 stop
BIS11:30 pmBismarck
Jan 31
BIS1:28 pmBismarck
9h 04m
1 stop
PDX8:32 pmPortland
$290
Find similar
Delta
Jan 24
PDX1:30 pmPortland
8h 00m
2 stops
BIS11:30 pmBismarck
Jan 31
BIS1:28 pmBismarck
11h 26m
2 stops
PDX10:54 pmPortland
$300
Find similar

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 December 28, 2025.
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 5/22

11:39 am-7:53 pm

1 stop6h 14m

Bismarck

Sun 5/24

6:10 am-12:54 pm

1 stop8h 44m

$279

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 1/24

5:00 am-12:51 pm

1 stop5h 51m

Bismarck

Sat 1/31

1:35 pm-11:06 pm

2 stops11h 31m

$280

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 1/24

1:53 pm-11:30 pm

1 stop7h 37m

Bismarck

Sat 1/31

1:28 pm-8:32 pm

1 stop9h 04m

$290

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 1/24

1:30 pm-11:30 pm

2 stops8h 00m

Bismarck

Sat 1/31

1:28 pm-10:54 pm

2 stops11h 26m

$300

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 1/24

5:00 am-12:51 pm

1 stop5h 51m

Bismarck

Sat 1/31

9:00 am-1:45 pm

1 stop6h 45m

$304

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 1/24

5:35 am-4:32 pm

2 stops8h 57m

Bismarck

Sat 1/31

1:35 pm-11:06 pm

2 stops11h 31m

$355

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 2/18

3:50 pm-11:43 pm

1 stop5h 53m

Bismarck

Sat 2/21

5:30 am-9:42 am

1 stop6h 12m

$400

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 2/18

3:50 pm-11:43 pm

1 stop5h 53m

Bismarck

Sat 2/21

5:30 am-9:42 am

1 stop6h 12m

$417

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 5/22

11:39 am-7:53 pm

1 stop6h 14m

Bismarck

Sun 5/24

6:10 am-12:31 pm

2 stops8h 21m

$444

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 2/18

3:50 pm-11:43 pm

2 stops29h 53m

Bismarck

Sat 2/21

5:30 am-9:42 am

1 stop6h 12m

$488

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 $342.

What is the cheapest time of day to depart on your flight to Bismarck?

According to our data, the cheapest time of day to fly to Bismarck is in the evening. momondo users have found flights departing from Portland to Bismarck in the evening for as low as $296. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $569. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 53m

Direct flights

None
The fastest flight from Portland to Bismarck takes 5h 53m
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 53m 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
8,019 reviews
Search Delta flights
United AirlinesPriceFrom $282Free CancellationRating
7.4
9,113 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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