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$271+ Cheap flights from Bismarck to Portland (BIS - PDX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — PDX
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
1 adult, Economy
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Cheap flight deals from Bismarck to Portland

Cheapest flights from Bismarck to Portland
Explore the most affordable flight options available from Bismarck to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 17, 2026.

This Delta deal was found by Cheapflights users on 2/16. 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 5/21:19 pm
BIS
-
PDX
1 stop6h 13m
Delta
Tue 5/512:30 am
PDX
-
BIS
1 stop8h 04m
Delta
Deal found 2/16$271
This Delta deal was found by Cheapflights users on 2/13. 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 3/211:26 pm
BIS
-
PDX
1 stop8h 59m
Delta
Wed 3/2512:30 am
PDX
-
BIS
1 stop8h 03m
Delta
Deal found 2/13$275
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Sat 5/29:00 am
BIS
-
PDX
2 stops13h 58m
United Airlines
Wed 5/64:15 pm
PDX
-
BIS
1 stop5h 26m
United Airlines
Deal found 2/16$276
This Delta deal was found by Cheapflights users on 2/13. 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 9/111:10 pm
BIS
-
PDX
1 stop9h 05m
Delta
Fri 9/1811:39 am
PDX
-
BIS
1 stop6h 14m
Delta
Deal found 2/13$279
This United Airlines deal was found by Cheapflights users on 2/16. 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 5/16:00 am
BIS
-
PDX
1 stop5h 38m
United Airlines
Sat 5/97:15 am
PDX
-
BIS
2 stops11h 16m
United Airlines
Deal found 2/16$280
This Delta deal was found by Cheapflights users on 2/16. 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 5/11:19 pm
BIS
-
PDX
1 stop8h 48m
Delta
Sat 5/911:55 am
PDX
-
BIS
1 stop5h 39m
Delta
Deal found 2/16$290
This Delta deal was found by Cheapflights users on 2/16. 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 3/311:18 am
BIS
-
PDX
1 stop8h 15m
Delta
Sat 3/71:53 pm
PDX
-
BIS
1 stop7h 29m
Delta
Deal found 2/16$309
This Delta deal was found by Cheapflights users on 2/13. 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 4/291:19 pm
BIS
-
PDX
1 stop8h 46m
Delta
Tue 5/512:30 am
PDX
-
BIS
1 stop8h 05m
Delta
Deal found 2/13$325

Find flight deals from Bismarck to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) to Portland (PDX). 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 February 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(Delta)

Popular in

March

Cheapest in

April

Average price

$417
Provider with most accurate pricing for Bismarck-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bismarck-Portland flights.
Search Deals
From Bismarck to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bismarck to Portland 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 February 17, 2026.
Use the filters below to find and compare flights from Bismarck to Portland that are best for you.

Fly from

Bismarck

Fly to

Portland

Route

Depart

Return

Price

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 5/2

1:19 pm-5:32 pm

1 stop6h 13m

Portland

Sat 5/9

11:55 am-7:34 pm

1 stop5h 39m

$271

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 3/21

1:26 pm-8:25 pm

1 stop8h 59m

Portland

Wed 3/25

12:30 am-10:33 am

1 stop8h 03m

$275

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 5/1

1:19 pm-8:07 pm

1 stop8h 48m

Portland

Sat 5/9

11:55 am-7:34 pm

1 stop5h 39m

$290

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Tue 3/3

11:18 am-5:33 pm

1 stop8h 15m

Portland

Sat 3/7

1:53 pm-11:22 pm

1 stop7h 29m

$309

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 5/2

6:00 am-4:33 pm

2 stops12h 33m

Portland

Wed 5/6

7:15 am-8:31 pm

2 stops11h 16m

$312

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Wed 4/29

1:19 pm-8:05 pm

1 stop8h 46m

Portland

Tue 5/5

12:30 am-10:35 am

1 stop8h 05m

$325

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Mon 7/20

5:30 pm-11:34 pm

1 stop8h 04m

$281

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Mon 7/20

12:51 pm-9:32 pm

1 stop10h 41m

$281

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sun 2/22

6:05 am-1:02 pm

1 stop8h 57m

$417

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sun 2/22

11:51 am-9:35 am

3 stops47h 44m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Compare providers for flights from Bismarck to Portland

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 Bismarck to Portland in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice 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 Bismarck-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bismarck-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bismarck-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bismarck-Portland flights, Cheapflights users trust FlightHub the most. FlightHub 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 Bismarck-Portland 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 Bismarck to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Bismarck 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 Bismarck to Portland

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

Currently, May is the cheapest month in which you can book a flight from Bismarck to Portland (average of $159). Flying from Bismarck to Portland in December is currently the most expensive (average of $518). 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.

How much does it cost to fly round-trip from Bismarck to Portland?

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated February 17, 2026.
Peruse reviews from past customers who have flown with Delta and United Airlines from Bismarck to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,207 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

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
8,207 reviews
Delta
7.9
Good
8,207 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

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
9,312 reviews
Delta
7.9
Good
8,207 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

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 Bismarck to Portland. 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 Bismarck to Portland?

    Delta can get you from Bismarck to Portland in just under 6h 13m. Your travel time can differ by up to . Bismarck and Portland are separated by a distance of 1044 mi.

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

    Cheapflights users have booked flights from Bismarck to Portland round-trip from $258. Another airline that can offer you cheap pricing is Delta. These flights start at 39% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bismarck to Portland 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 Bismarck to Portland?

    Currently, May is the cheapest month in which you can book a flight from Bismarck to Portland (average of $159). Flying from Bismarck to Portland in December is currently the most expensive (average of $518). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Clackamas
Lincoln City
Longview
Lake Oswego
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Beaverton
Depoe Bay
Stevenson
Wilsonville
Tillamook
Pacific City
Gresham

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Bismarck to Portland

Discover the top 2 airlines that operate flights from Bismarck to Portland. 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 February 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$486FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$393FlexibilityNo cancel feeOn-timeN/A

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