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O'Hare Intl

$104+ Cheap flights from Bismarck (BIS) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — ORD
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from Bismarck to O'Hare Intl

Cheapest flights from Bismarck to O'Hare Intl
Explore the most affordable flight options available from Bismarck to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This American Airlines deal was found by Cheapflights users on 12/1. 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.
Tue 12/1612:51 pmBIS - ORD
Nonstop2h 32mAmerican Airlines
Sat 12/209:55 amORD - BIS
Nonstop2h 36mAmerican Airlines
Deal found 12/1$308
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Fri 12/191:01 pmBIS - ORD
Nonstop2h 34mAmerican Airlines
Sun 12/217:36 amORD - BIS
1 stop6h 33mAmerican Airlines
Deal found 12/2$392
This American Airlines deal was found by Cheapflights users on 12/1. 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.
Fri 12/191:01 pmBIS - ORD
Nonstop2h 34mAmerican Airlines
Sat 1/39:55 amORD - BIS
Nonstop2h 36mAmerican Airlines
Deal found 12/1$404
This Delta deal was found by Cheapflights users on 12/2. 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 12/235:00 amBIS - ORD
1 stop4h 25mDelta
Fri 1/210:05 amORD - BIS
1 stop6h 52mDelta
Deal found 12/2$419
This American Airlines deal was found by Cheapflights users on 12/1. 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 12/241:01 pmBIS - ORD
Nonstop2h 34mAmerican Airlines
Sat 1/39:55 amORD - BIS
Nonstop2h 36mAmerican Airlines
Deal found 12/1$427
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/312:39 pmBIS - ORD
1 stop7h 40mAmerican Airlines
Sun 1/49:55 amORD - BIS
Nonstop2h 36mAmerican Airlines
Deal found 12/3$458
This American Airlines deal was found by Cheapflights users on 12/1. 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.
Fri 12/191:01 pmBIS - ORD
Nonstop2h 34mAmerican Airlines
Sun 1/49:55 amORD - BIS
Nonstop2h 36mAmerican Airlines
Deal found 12/1$462
This American Airlines deal was found by Cheapflights users on 12/1. 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 12/241:01 pmBIS - ORD
Nonstop2h 34mAmerican Airlines
Sun 1/49:55 amORD - BIS
Nonstop2h 36mAmerican Airlines
Deal found 12/1$485
This Mytrip deal was found by Cheapflights users on 11/30. 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.
Thu 12/1811:36 amBIS - ORD
2 stops25h 03mMultiple Airlines
Sat 12/201:34 pmORD - BIS
2 stops21h 12mMultiple Airlines
Deal found 11/30$506

Find flight deals from Bismarck to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) to O'Hare Intl (ORD). 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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$235
(Delta)

One-way from

$104
(Delta)

Popular in

November

Cheapest in

June

Average price

$418

Good round-trip deal

$363 or less

Good one-way deal

$310 or less
Provider with most accurate pricing for Bismarck-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Bismarck-Chicago O'Hare Intl flights.
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From Bismarck to Chicago O'Hare Intl
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One-way flight from Bismarck to Chicago O'Hare Intl
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Highest demand for flights based on searches. 18% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Bismarck to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Bismarck to Chicago O'Hare Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Bismarck to O'Hare Intl 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 3, 2025.
Use the filters below to find and compare flights from Bismarck to Chicago O'Hare Intl Airport that are best for you.

Fly from

Bismarck

Fly to

O'Hare Intl

Route

Depart

Return

Price

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 4/28

1:10 pm-4:48 pm

1 stop3h 38m

Chicago O'Hare Intl

Sat 5/2

3:50 pm-7:53 pm

1 stop4h 03m

$235

BismarckChicago

BIS - ORD

BISORD

Bismarck

Sat 3/28

6:10 am-11:35 am

1 stop5h 25m

Chicago O'Hare Intl

Wed 4/1

6:36 pm-11:36 pm

1 stop5h 00m

$235

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 1/27

5:00 am-1:18 pm

2 stops8h 18m

Chicago O'Hare Intl

Sat 1/31

6:15 am-12:46 pm

1 stop6h 31m

$240

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 4/28

2:04 pm-4:10 pm

Nonstop2h 06m

Chicago O'Hare Intl

Sat 5/2

9:40 am-12:01 pm

Nonstop2h 21m

$285

BismarckChicago

BIS - ORD

BISORD

Bismarck

Thu 3/19

1:22 pm-7:59 pm

1 stop6h 37m

Chicago O'Hare Intl

Mon 3/23

3:59 pm-8:19 pm

1 stop4h 20m

$299

BismarckChicago

BIS - ORD

BISORD

Bismarck

Wed 12/24

1:01 pm-3:35 pm

Nonstop2h 34m

Chicago O'Hare Intl

Sat 1/3

9:55 am-12:31 pm

Nonstop2h 36m

$427

BismarckChicago

BIS - ORD

BISORD

Bismarck

Fri 12/19

1:01 pm-3:35 pm

Nonstop2h 34m

Chicago O'Hare Intl

Sun 12/21

9:55 am-12:31 pm

Nonstop2h 36m

$441

BismarckChicago

BIS - ORD

BISORD

Bismarck

Thu 12/18

11:36 am-12:39 pm

2 stops25h 03m

Chicago O'Hare Intl

Sat 12/20

1:34 pm-10:46 am

2 stops21h 12m

$506

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 12/23

5:00 am-9:25 am

1 stop4h 25m

Chicago O'Hare Intl

Sat 1/3

10:05 am-4:57 pm

1 stop6h 52m

$509

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 2/3

5:00 am-11:47 am

1 stop6h 47m

$104

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 18 results
1
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Compare providers for flights from Bismarck to O'Hare Intl

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 O'Hare Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bismarck-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bismarck-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bismarck-Chicago O'Hare Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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-Chicago O'Hare Intl Airport 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 O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 Chicago O'Hare Intl Airport

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

Find hourly flight availability from Bismarck to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2025.

When flying from Bismarck to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Bismarck to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated December 3, 2025.
See what other customers who have flown with Delta and American Airlines from Bismarck to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Overall

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Overall

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.
American Airlines
7.2
Good
11,045 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Overall

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 O'Hare Intl. 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 Chicago O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from Bismarck, you will be flying from Bismarck, which is the city’s only airport. Bismarck (BIS) is located 2.5 mi from the center of Bismarck. There are 0 flights from Bismarck to Chicago O'Hare Intl per day from 2 different airlines.

  • How long is the flight from Bismarck to Chicago O'Hare Intl Airport?

    For as low as $235, Delta can have you in Chicago O'Hare Intl Airport from Bismarck in 3h 38m. The distance between Bismarck and Chicago O'Hare Intl Airport is about 714 mi.

  • What are the cheapest airlines flying from Bismarck to Chicago O'Hare Intl Airport round-trip?

    Currently priced at $218, Delta will fly you from Bismarck to Chicago O'Hare Intl Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $240. Users have found that Delta is 39% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Bismarck to Chicago O'Hare Intl Airport?

    Consider SkyWest Airlines (100%), American Airlines (87%) or Envoy Air (74%) when booking your flight. These represent the most reliable airlines when flying from Bismarck to Chicago O'Hare Intl Airport.

  • What are the cheapest flights from Bismarck to Chicago O'Hare Intl Airport?

    On average you can expect to pay $481 for a flight from Bismarck to Chicago O'Hare Intl Airport. The cheapest flight overall is $238 while the most popular route, (Bismarck - Chicago O'Hare Intl) is currently priced at $235.

  • Can I find deals for flights from Bismarck to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Bismarck to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bismarck to O'Hare Intl?

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

  • Can I find deals for business class flights from Bismarck to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Bismarck to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

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Top 2 airlines flying from Bismarck to O'Hare Intl

Discover the top 2 airlines that operate flights from Bismarck to O'Hare Intl. 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$323FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$240Average$314FlexibilityNo cancel feeOn-time71%

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