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Bismarck

$154+ Cheap flights from Portland to Bismarck (PDX - BIS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIS
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from Portland to Bismarck

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Bismarck (BIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$275
(United Airlines)

One-way from

$154
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$378
Provider with most accurate pricing for Portland-Bismarck flight deals.
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Provider most trusted by Cheapflights users for Portland-Bismarck flights.
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From Portland to Bismarck
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One-way flight from Portland to Bismarck
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Highest demand for flights based on searches. 16% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Portland to Bismarck

Cheapest flights from Portland to Bismarck
Explore the most affordable flight options available from Portland to Bismarck. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This United Airlines deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:15 pm
PDX
-
BIS
1 stop5h 28m
United Airlines
Tue 4/286:00 am
BIS
-
PDX
1 stop5h 48m
United Airlines
Deal found 1/11$275
This United Airlines deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/24:15 pm
PDX
-
BIS
1 stop5h 28m
United Airlines
Fri 4/105:05 pm
BIS
-
PDX
1 stop7h 49m
United Airlines
Deal found 1/11$279
This Delta deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1411:15 am
PDX
-
BIS
2 stops10h 07m
Delta
Sat 2/286:10 am
BIS
-
PDX
1 stop8h 34m
Delta
Deal found 1/11$296
This United Airlines deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/273:45 pm
PDX
-
BIS
1 stop5h 45m
United Airlines
Sat 1/311:35 pm
BIS
-
PDX
2 stops11h 31m
United Airlines
Deal found 1/11$314
This Delta deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/271:53 pm
PDX
-
BIS
1 stop7h 33m
Delta
Sat 1/311:28 pm
BIS
-
PDX
1 stop9h 04m
Delta
Deal found 1/11$329
This Delta deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3111:39 am
PDX
-
BIS
1 stop6h 14m
Delta
Mon 8/35:30 pm
BIS
-
PDX
1 stop8h 04m
Delta
Deal found 1/12$359
This Delta deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:39 am
PDX
-
BIS
1 stop6h 14m
Delta
Tue 7/287:31 am
BIS
-
PDX
1 stop7h 23m
Delta
Deal found 1/11$399

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 12, 2026.
Use the filters below to find and compare flights from Portland to Bismarck that are best for you.

Fly from

Portland

Fly to

Bismarck

Route

Depart

Return

Price

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Fri 4/24

4:15 pm-11:43 pm

1 stop5h 28m

Bismarck

Tue 4/28

6:00 am-9:48 am

1 stop5h 48m

$275

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 4/2

4:15 pm-11:43 pm

1 stop5h 28m

Bismarck

Fri 4/10

5:05 pm-10:54 pm

1 stop7h 49m

$279

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 2/14

11:15 am-11:22 pm

2 stops10h 07m

Bismarck

Sat 2/28

6:10 am-12:44 pm

1 stop8h 34m

$296

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 1/27

7:45 am-11:30 pm

2 stops13h 45m

Bismarck

Sat 1/31

1:35 pm-11:06 pm

2 stops11h 31m

$320

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Tue 1/27

1:53 pm-11:26 pm

1 stop7h 33m

Bismarck

Sat 1/31

1:28 pm-8:32 pm

1 stop9h 04m

$329

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 4/9

7:46 pm-8:30 pm

1 stop22h 44m

$154

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Mon 4/13

12:30 am-10:31 am

1 stop8h 01m

$281

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sat 4/11

5:00 am-12:58 pm

1 stop5h 58m

$281

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Sun 4/12

12:30 am-10:31 am

1 stop8h 01m

$281

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 4/8

6:05 am-4:06 pm

1 stop8h 01m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 15 results
1
2

Compare providers for flights from Portland to Bismarck

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Bismarck in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Bismarck flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Bismarck flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-Bismarck flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Bismarck flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Bismarck flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Bismarck

Have a flexible travel schedule? Discover the best time to fly to Bismarck from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Bismarck

What is the cheapest month to book a flight from Portland to Bismarck?

Currently, July is the cheapest month in which you can book a flight from Portland to Bismarck (average of $169). Flying from Portland to Bismarck in November is currently the most expensive (average of $441). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Bismarck

Get insights into the airlines that provide service to Bismarck. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bismarck. Reviews last updated January 12, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Portland to Bismarck. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,033 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,033 reviews
Delta
7.9
Good
8,033 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,143 reviews
Delta
7.9
Good
8,033 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Portland to Bismarck. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Bismarck?

    Airlines like United Airlines fly from Portland to Bismarck in about 5h 28m. The time it takes to get you to your destination can typically vary by up to . Portland and Bismarck are separated by a distance of 1044 mi.

  • What are the cheapest airlines flying from Portland to Bismarck round-trip?

    Flying on Delta is currently your cheapest option to Bismarck, with prices starting at $243. Another option worth looking into is United Airlines, starting at $282 round trip. Delta is currently priced 42% below the average price you’ll pay for this route.

  • Can I find deals for flights from Portland to Bismarck that include hotel bookings?

    Yes. In addition to deals on Portland to Bismarck flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Bismarck?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Bismarck.

  • Can I find deals for business class flights from Portland to Bismarck?

    Yes. Cheapflights offers flight deals from Portland to Bismarck by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Bismarck?

    Currently, July is the cheapest month in which you can book a flight from Portland to Bismarck (average of $169). Flying from Portland to Bismarck in November is currently the most expensive (average of $441). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Portland to Bismarck

Discover the top 2 airlines that operate flights from Portland to Bismarck. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$243Average$318FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$282Average$449FlexibilityNo cancel feeOn-time69%

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