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$259+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — PDX
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
1 adult, Economy
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Cheap flight deals from Bismarck to Oregon

Keep the following information in mind while searching for Bismarck to Oregon flight deals. Data was last updated June 23, 2025.

Round-trip from

$259
(Delta)

Popular in

March

Cheapest in

February

Average price

$471
From Bismarck to Oregon
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find 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 June 23, 2025.

This Delta deal was found by Cheapflights users on 6/22. 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 8/197:35 amBIS - PDX
1 stop7h 06mDelta
Sat 8/236:20 amPDX - BIS
1 stop6h 28mDelta
Deal found 6/22$259
This Mytrip deal was found by Cheapflights users on 6/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/209:55 pmBIS - PDX
1 stop13h 23mMultiple Airlines
Sun 7/2710:23 amPDX - BIS
1 stop8h 42mMultiple Airlines
Deal found 6/20$348
This United Airlines deal was found by Cheapflights users on 6/21. 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 7/411:30 amBIS - PDX
2 stops11h 07mUnited Airlines
Fri 7/114:16 pmPDX - BIS
1 stop5h 22mUnited Airlines
Deal found 6/21$365
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:23 amBIS - PDX
1 stop8h 32mAmerican Airlines
Mon 8/257:40 amPDX - BIS
2 stops12h 37mAmerican Airlines
Deal found 6/21$382

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 June 23, 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

Tue 8/19

7:35 am-12:41 pm

1 stop7h 06m

Portland

Sat 8/23

6:20 am-2:48 pm

1 stop6h 28m

$259

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Sun 7/20

9:55 pm-9:18 am

1 stop13h 23m

Portland

Sun 7/27

10:23 am-9:05 pm

1 stop8h 42m

$348

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 7/4

11:30 am-8:37 pm

2 stops11h 07m

Portland

Fri 7/11

4:16 pm-11:38 pm

1 stop5h 22m

$365

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Thu 8/21

6:23 am-12:55 pm

1 stop8h 32m

Portland

Mon 8/25

7:40 am-10:17 pm

2 stops12h 37m

$382

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 8/1

1:17 pm-8:23 pm

1 stop9h 06m

$270

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 8/1

3:00 pm-11:22 pm

2 stops10h 22m

$276

BismarckPortland

BIS - PDX

BISPDX

Bismarck

Fri 8/1

5:11 pm-11:56 am

3 stops20h 45m

$1,460

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

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, November is the cheapest month in which you can book a flight from Bismarck to Oregon (average of $277). Flying from Bismarck to Oregon in March is currently the most expensive (average of $369). 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 June 23, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bismarck to Oregon as you normally would.

Rainfall in Oregon by month

Plan your trip to Oregon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oregon ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Oregon when rainfall is around 0.7 in.

Temperature in Oregon by month

Plan your trip to Oregon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oregon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 June 23, 2025.
Delta
8.0
Very good
7,965 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,965 reviews
Delta
8.0
Very good
7,965 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,831 reviews
Delta
8.0
Very good
7,965 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,965 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Bismarck to Oregon one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $270. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Bismarck to Oregon for a low price.

  • 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, November is the cheapest month in which you can book a flight from Bismarck to Oregon (average of $277). Flying from Bismarck to Oregon in March is currently the most expensive (average of $369). 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.

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Alternative routes for Bismarck to Oregon

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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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$383FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$310Average$524FlexibilityNo cancel feeOn-time69%

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