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O'Hare Intl

$140+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — ORD
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$219
(Delta)

One-way from

$140
(Mytrip)

Popular in

December

Cheapest in

June

Average price

$488

Good round-trip deal

$303 or less

Good one-way deal

$289 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. 25% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/212:16 pmBIS - ORD
1 stop4h 34mDelta
Wed 8/138:25 amORD - BIS
1 stop4h 09mDelta
Deal found 7/1$219
This American Airlines deal was found by Cheapflights users on 7/1. 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 7/2912:39 pmBIS - ORD
Nonstop2h 14mAmerican Airlines
Tue 8/59:45 amORD - BIS
Nonstop2h 24mAmerican Airlines
Deal found 7/1$223

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 July 2, 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

Sat 8/2

12:16 pm-4:50 pm

1 stop4h 34m

Chicago O'Hare Intl

Wed 8/13

8:25 am-12:34 pm

1 stop4h 09m

$219

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 7/29

12:39 pm-2:53 pm

Nonstop2h 14m

Chicago O'Hare Intl

Tue 8/5

9:45 am-12:09 pm

Nonstop2h 24m

$223

BismarckChicago

BIS - ORD

BISORD

Bismarck

Thu 7/24

10:56 pm-2:13 pm

1 stop15h 17m

Chicago O'Hare Intl

Sun 7/27

7:08 am-9:05 pm

1 stop13h 57m

$338

BismarckChicago

BIS - ORD

BISORD

Bismarck

Thu 7/17

10:56 pm-2:13 pm

1 stop15h 17m

$140

BismarckChicago

BIS - ORD

BISORD

Bismarck

Wed 10/22

7:31 am-11:31 am

1 stop4h 00m

$214

BismarckChicago

BIS - ORD

BISORD

Bismarck

Wed 10/22

1:27 pm-3:41 pm

Nonstop2h 14m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 July 2, 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 1% versus a flight in the morning.

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 July 2, 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
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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.

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

    Currently priced at $219, 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 $223. Users have found that Delta is 37% 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 (64%), Qatar Airways (64%) or Envoy Air (64%) 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 $360 for a flight from Bismarck to Chicago O'Hare Intl Airport. The cheapest flight overall is $229 while the most popular route, (Bismarck - Chicago O'Hare Intl) is currently priced at $219.

  • 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

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Schaumburg
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Waukegan

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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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$488FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$247Average$418FlexibilityNo cancel feeOn-time71%

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