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$248+ Cheap flights from Bismarck (BIS) to Oregon

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — PDX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Bismarck to Oregon

Cheapest flights from Bismarck to Oregon
Explore the most affordable flight options available from Bismarck to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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.
Thu 12/181:27 pmBIS - PDX
2 stops12h 37mDelta
Sat 1/36:15 amPDX - BIS
1 stop8h 42mDelta
Deal found 12/16$594
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/205:45 amBIS - PDX
1 stop6h 16mUnited Airlines
Thu 1/19:00 amPDX - BIS
1 stop5h 30mUnited Airlines
Deal found 12/17$609
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/185:45 amBIS - PDX
1 stop6h 15mUnited Airlines
Sat 1/39:00 amPDX - BIS
1 stop5h 30mUnited Airlines
Deal found 12/16$658
This Delta deal was found by Cheapflights users on 12/17. 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 12/207:38 amBIS - PDX
2 stops11h 02mDelta
Thu 1/112:16 pmPDX - BIS
1 stop5h 33mDelta
Deal found 12/17$828

Find flight deals from Bismarck to Oregon

Keep the following information in mind while searching for Bismarck to Oregon flight deals. Data was last updated December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$248
(United Airlines)

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.
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From Bismarck to Oregon
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).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bismarck to Oregon 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 December 18, 2025.
Use the filters below to find and compare flights from Bismarck to Oregon that are best for you.

Fly from

Bismarck

Fly to

Oregon

Route

Depart

Return

Price

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sun 1/11

9:00 am-1:45 pm

1 stop6h 45m

Portland

Sat 1/17

5:00 am-12:51 pm

1 stop5h 51m

$248

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Thu 1/29

11:21 am-5:35 pm

1 stop8h 14m

Portland

Sun 2/1

6:00 am-4:34 pm

1 stop8h 34m

$339

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sat 1/31

5:30 am-9:45 am

1 stop6h 15m

Portland

Tue 2/3

5:00 am-12:51 pm

1 stop5h 51m

$351

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Wed 1/21

7:22 pm-9:50 am

2 stops40h 28m

$280

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Wed 1/21

11:21 am-5:35 pm

1 stop8h 14m

$281

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Wed 1/21

7:22 pm-9:49 am

3 stops40h 27m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Best time to book a flight from Bismarck to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon 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 Oregon

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

Currently, May is the cheapest month in which you can book a flight from Bismarck to Oregon (average of $160). Flying from Bismarck to Oregon 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 OR?

Find hourly flight availability from Bismarck to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Bismarck to Oregon is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 45% on airfare.

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Bismarck to Oregon. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Crew

8.5

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
8,004 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Crew

8.5

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
9,092 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Crew

8.5

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 Oregon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Bismarck to Oregon?

    For a flight from Bismarck to Oregon, you will be flying from Bismarck. Bismarck (BIS) is just 2.5 mi from the center of the city.

  • How long is the flight from Bismarck to Oregon?

    There are many flights that can get you from Bismarck to Oregon in 6h 45m. Fly via United Airlines or Delta to get the fastest option. The distance between Bismarck and Oregon is about 1044 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Bismarck to Oregon (average of $160). Flying from Bismarck to Oregon 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

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Top 2 airlines flying from Bismarck to Oregon

Discover the top 2 airlines that operate flights from Bismarck to Oregon. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$523FlexibilityNo cancel feeOn-time69%
DeltaCheapest$258Average$388FlexibilityNo cancel feeOn-timeN/A

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