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Bismarck

$269+ Cheap flights from Oregon to Bismarck (BIS)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BIS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Oregon to Bismarck

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

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.
Wed 12/312:40 pmBOI - BIS
1 stop4h 36mUnited Airlines
Sun 1/45:45 amBIS - BOI
1 stop5h 16mUnited Airlines
Deal found 12/16$344
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 12/182:40 pmBOI - BIS
1 stop4h 36mUnited Airlines
Sat 12/205:45 amBIS - BOI
1 stop5h 16mUnited Airlines
Deal found 12/16$564
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.
Fri 12/195:30 amPDX - BIS
2 stops9h 26mDelta
Sun 12/211:28 pmBIS - PDX
2 stops12h 27mDelta
Deal found 12/17$569
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.
Fri 12/197:00 amBOI - BIS
2 stops12h 16mUnited Airlines
Sun 12/215:45 amBIS - BOI
1 stop5h 16mUnited Airlines
Deal found 12/16$600
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.
Fri 12/1912:54 pmPDX - BIS
1 stop5h 22mUnited Airlines
Sun 12/215:45 amBIS - PDX
1 stop6h 16mUnited Airlines
Deal found 12/17$664
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/242:45 pmPDX - BIS
1 stop7h 07mUnited Airlines
Sun 12/288:10 amBIS - PDX
1 stop27h 51mUnited Airlines
Deal found 12/15$764
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 12/1812:54 pmPDX - BIS
1 stop5h 22mUnited Airlines
Fri 12/198:10 amBIS - PDX
1 stop27h 51mUnited Airlines
Deal found 12/16$786
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:18 pmBOI - BIS
2 stops22h 51mAmerican Airlines
Sun 1/46:00 amBIS - BOI
2 stops18h 40mAmerican Airlines
Deal found 12/16$827
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:40 pmPDX - BIS
1 stop7h 21mAmerican Airlines
Fri 12/192:39 pmBIS - PDX
2 stops12h 59mAmerican Airlines
Deal found 12/16$861

Find flight deals from Oregon to Bismarck

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$269
(Delta)

Popular in

December

Cheapest in

September

Average price

$672
Provider with most accurate pricing for Portland-Bismarck flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Bismarck flights.
Search Deals
From Oregon to Bismarck
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($22 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 Oregon 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 December 18, 2025.
Use the filters below to find and compare flights from Oregon to Bismarck that are best for you.

Fly from

Oregon

Fly to

Bismarck

Route

Depart

Return

Price

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Thu 2/5

3:03 pm-11:26 pm

1 stop7h 23m

Bismarck

Sun 2/8

6:10 am-1:34 pm

1 stop8h 24m

$269

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Thu 2/5

10:15 am-11:30 pm

2 stops12h 15m

Bismarck

Sun 2/8

5:30 am-10:06 am

1 stop5h 36m

$274

MedfordBismarck

MFR - BIS

MFRBIS

Medford

Wed 1/21

5:00 am-12:51 pm

1 stop5h 51m

Bismarck

Sat 1/24

9:00 am-5:52 pm

2 stops10h 52m

$336

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Wed 1/21

8:10 am-4:32 pm

1 stop7h 22m

Bismarck

Sat 1/24

1:35 pm-7:45 pm

1 stop7h 10m

$339

BoiseBismarck

BOI - BIS

BOIBIS

Boise Air Term. Gowen Fld

Wed 12/31

2:40 pm-8:16 pm

1 stop4h 36m

Bismarck

Sun 1/4

5:45 am-10:01 am

1 stop5h 16m

$344

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 1/1

9:00 am-4:30 pm

1 stop5h 30m

Bismarck

Mon 1/5

1:49 pm-5:32 pm

1 stop5h 43m

$344

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 1/28

1:24 pm-8:38 pm

1 stop5h 14m

Bismarck

Sat 1/31

5:30 am-9:45 am

1 stop6h 15m

$351

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Wed 1/14

1:24 pm-11:30 pm

1 stop8h 06m

Bismarck

Sat 1/17

5:30 am-9:45 am

1 stop6h 15m

$389

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Thu 1/1

9:19 am-7:49 pm

2 stops8h 30m

Bismarck

Mon 1/5

5:00 am-12:32 pm

2 stops9h 32m

$1,018

PortlandBismarck

PDX - BIS

PDXBIS

Portland

Mon 6/15

10:59 pm-8:03 pm

2 stops19h 04m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Oregon to Bismarck

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

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

Currently, July is the cheapest month in which you can book a flight from Oregon to Bismarck (average of $169). Flying from Oregon 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.

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

Find hourly flight availability from Oregon to Bismarck. 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.

A simple way to save on the total cost of your ticket is to fly from Oregon to Bismarck in the evening. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight at noon.

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

Related info for your journey

Find useful and relevant information for your journey from Oregon to Bismarck. 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 into for flights to Bismarck from Oregon?

    Located just 2.5 mi from the city center, Bismarck (BIS) is the airport most travelers will use when flying to Bismarck from Oregon.

  • How long is the flight from Oregon to Bismarck?

    There are many flights that can get you from Oregon to Bismarck in 7h 23m. Fly via Delta or United Airlines to get the fastest option. Oregon and Bismarck are separated by a distance of 783 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Oregon to Bismarck?

    When deciding which route to take from Oregon to Bismarck consider Boise Air Term. Gowen Fld - Bismarck, Portland - Bismarck or Medford - Bismarck as they are the most popular.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Oregon to Bismarck (average of $169). Flying from Oregon 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

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Top 2 airlines flying from Oregon to Bismarck

Discover the top 2 airlines that operate flights from Oregon 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$243Average$319FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$250Average$421FlexibilityNo cancel feeOn-time69%

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