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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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — PDX
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
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 diciembre 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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.
vie. 12/265:45 amBIS - PDX
1 stop6h 16mUnited Airlines
mar. 12/302:45 pmPDX - BIS
1 stop7h 07mUnited Airlines
Deal found 12/11$444
This United Airlines deal was found by Cheapflights users on 12/10. 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.
sáb. 12/205:10 pmBIS - PDX
1 stop5h 57mUnited Airlines
jue. 1/15:00 amPDX - BIS
1 stop6h 10mUnited Airlines
Deal found 12/10$664
This Delta deal was found by Cheapflights users on 12/11. 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.
jue. 12/181:27 pmBIS - PDX
2 stops12h 48mDelta
sáb. 1/36:15 amPDX - BIS
1 stop8h 42mDelta
Deal found 12/11$666
This United Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/185:45 amBIS - PDX
1 stop6h 15mUnited Airlines
sáb. 1/32:45 pmPDX - BIS
1 stop7h 07mUnited Airlines
Deal found 12/10$753

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 diciembre 12, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$271
(Delta)

Popular in

March

Cheapest in

April

Average price

$540
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. 16% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 diciembre 12, 2025.
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

mié. 1/21

1:28 pm-8:32 pm

1 stop9h 04m

Portland

sáb. 1/24

6:00 am-4:34 pm

1 stop8h 34m

$271

BismarckPortland

BIS - PDX

BISPDX

Bismarck

mié. 2/18

1:28 pm-8:30 pm

1 stop9h 02m

Portland

sáb. 2/21

6:00 am-4:41 pm

1 stop8h 41m

$271

BismarckPortland

BIS - PDX

BISPDX

Bismarck

mié. 1/7

5:10 pm-9:12 pm

1 stop6h 02m

Portland

sáb. 1/10

5:00 am-12:51 pm

1 stop5h 51m

$275

BismarckPortland

BIS - PDX

BISPDX

Bismarck

mié. 1/21

1:35 pm-10:44 pm

2 stops11h 09m

Portland

sáb. 1/24

8:30 am-4:32 pm

1 stop6h 02m

$276

BismarckPortland

BIS - PDX

BISPDX

Bismarck

jue. 1/29

11:21 am-5:35 pm

1 stop8h 14m

Portland

dom. 2/1

6:00 am-4:34 pm

1 stop8h 34m

$294

BismarckPortland

BIS - PDX

BISPDX

Bismarck

sáb. 1/31

5:30 am-9:45 am

1 stop6h 15m

Portland

mar. 2/3

5:00 am-12:51 pm

1 stop5h 51m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Bismarck-Portland flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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 $160). Flying from Bismarck to Portland in February is currently the most expensive (average of $563). 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.

What is the cheapest time of day to fly from BIS to PDX?

Find hourly flight availability from Bismarck to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 50% on flights from Bismarck to Portland by exploring options for tickets in the evening.

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 diciembre 12, 2025.
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
8,007 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

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
9,095 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

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 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 and United Airlines can get you from Bismarck to Portland in just under 6h 02m. Your travel time can differ by up to 3h 02m. Bismarck and Portland are separated by a distance of 1044 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 41% 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 $160). Flying from Bismarck to Portland in February is currently the most expensive (average of $563). 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
Lake Oswego
Beaverton
McMinnville
Hillsboro
Troutdale
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Gresham

Browse thousands of different options on Cheapflights for your next trip

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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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$484FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$388FlexibilityNo cancel feeOn-timeN/A

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