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O'Hare Intl

$130+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — ORD
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap 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 August 20, 2025.

Round-trip from

$199
(American Airlines)

One-way from

$130
(Mytrip)

Popular in

December

Cheapest in

June

Average price

$374

Good round-trip deal

$316 or less

Good one-way deal

$321 or less
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. 26% potential increase in price ($121 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in August 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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Find 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 August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/18. 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 9/171:32 pmBIS - ORD
Nonstop2h 18mAmerican Airlines
Wed 9/2410:25 amORD - BIS
Nonstop2h 32mAmerican Airlines
Deal found 8/18$199
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 8/301:22 pmBIS - ORD
Nonstop2h 13mAmerican Airlines
Sun 8/3110:26 amORD - BIS
Nonstop2h 26mAmerican Airlines
Deal found 8/18$200
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/21:22 pmBIS - ORD
Nonstop2h 13mAmerican Airlines
Sat 9/610:38 amORD - BIS
Nonstop2h 40mAmerican Airlines
Deal found 8/18$247
This Delta deal was found by Cheapflights users on 8/19. 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 10/187:30 amBIS - ORD
1 stop3h 58mDelta
Wed 10/226:08 amORD - BIS
1 stop6h 26mDelta
Deal found 8/19$249
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 9/271:48 pmBIS - ORD
Nonstop2h 18mAmerican Airlines
Wed 10/110:25 amORD - BIS
Nonstop2h 32mAmerican Airlines
Deal found 8/19$262
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Sat 10/181:27 pmBIS - ORD
Nonstop2h 14mAmerican Airlines
Tue 10/2110:33 amORD - BIS
Nonstop2h 24mAmerican Airlines
Deal found 8/19$264
This Delta deal was found by Cheapflights users on 8/18. 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 9/211:20 amBIS - ORD
1 stop5h 25mDelta
Sat 9/610:30 amORD - BIS
1 stop4h 18mDelta
Deal found 8/18$267

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 August 20, 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

Wed 9/17

1:32 pm-3:50 pm

Nonstop2h 18m

Chicago O'Hare Intl

Wed 9/24

10:25 am-12:57 pm

Nonstop2h 32m

$199

BismarckChicago

BIS - ORD

BISORD

Bismarck

Sat 8/30

1:22 pm-3:35 pm

Nonstop2h 13m

Chicago O'Hare Intl

Sun 8/31

10:26 am-12:52 pm

Nonstop2h 26m

$200

BismarckChicago

BIS - ORD

BISORD

Bismarck

Sat 9/27

6:19 am-12:35 pm

1 stop6h 16m

Chicago O'Hare Intl

Wed 10/1

10:25 am-12:57 pm

Nonstop2h 32m

$233

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 9/2

1:22 pm-3:35 pm

Nonstop2h 13m

Chicago O'Hare Intl

Sat 9/6

10:38 am-1:18 pm

Nonstop2h 40m

$247

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 9/9

12:51 pm-3:09 pm

Nonstop2h 18m

Chicago O'Hare Intl

Tue 9/16

9:40 am-12:21 pm

Nonstop2h 41m

$247

BismarckChicago

BIS - ORD

BISORD

Bismarck

Sat 10/18

7:30 am-11:28 am

1 stop3h 58m

Chicago O'Hare Intl

Wed 10/22

6:08 am-12:34 pm

1 stop6h 26m

$249

BismarckChicago

BIS - ORD

BISORD

Bismarck

Fri 2/13

1:10 pm-8:38 pm

2 stops7h 28m

Chicago O'Hare Intl

Tue 2/17

6:00 am-12:47 pm

1 stop6h 47m

$255

BismarckChicago

BIS - ORD

BISORD

Bismarck

Sun 9/7

11:36 am-11:59 am

2 stops24h 23m

$130

BismarckChicago

BIS - ORD

BISORD

Bismarck

Sun 10/19

11:33 am-10:24 pm

2 stops34h 51m

$149

BismarckChicago

BIS - ORD

BISORD

Bismarck

Wed 11/19

7:31 am-9:46 pm

2 stops14h 15m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 14 results
1
2

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 August 20, 2025.

When flying from Bismarck to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 2% versus a flight in the morning.

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 August 20, 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
8.0
Very good
7,982 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,982 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

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 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 is 1 flight 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 $199, American Airlines can have you in Chicago O'Hare Intl Airport from Bismarck in 2h 18m. The distance between Bismarck and Chicago O'Hare Intl Airport is about 714 mi. All flights are typically nonstop.

  • 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 $247. Users have found that Delta is 36% cheaper than the other options available to this destination.

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

    Consider American Airlines (56%), Qatar Airways (56%) or Envoy Air (56%) 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 $385 for a flight from Bismarck to Chicago O'Hare Intl Airport. The cheapest flight overall is $135 while the most popular route, (Bismarck - Chicago O'Hare Intl) is currently priced at $255.

  • 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.

  • What is the cheapest month to book a flight from Bismarck to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Bismarck to Chicago O'Hare Intl Airport (average of $245). Flying from Bismarck to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Hoffman Estates
Beloit
Skokie
Des Plaines
Elgin
Gurnee
Arlington Heights
Racine
Rockford
Great Lakes
Orland Park
Naperville
Merrillville
Elk Grove Village
Downers Grove
Evanston
Lake Geneva
Joliet

Browse thousands of different options on Cheapflights for your next trip

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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$393FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$247Average$417FlexibilityNo cancel feeOn-time71%

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