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O'Hare Intl

$126+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — ORD
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
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 March 16, 2026.

This American Airlines deal was found by Cheapflights users on 3/13. 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 10/61:56 pm
BIS
-
ORD
Nonstop2h 14m
American Airlines
Sat 10/109:40 am
ORD
-
BIS
Nonstop2h 24m
American Airlines
Deal found 3/13$275
This Delta deal was found by Cheapflights users on 3/12. 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 11/35:30 pm
BIS
-
ORD
1 stop4h 04m
Delta
Sat 11/73:50 pm
ORD
-
BIS
1 stop4h 07m
Delta
Deal found 3/12$295
This Delta deal was found by Cheapflights users on 3/12. 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 10/61:10 pm
BIS
-
ORD
1 stop6h 34m
Delta
Sat 10/106:00 am
ORD
-
BIS
1 stop4h 54m
Delta
Deal found 3/12$308
This American Airlines deal was found by Cheapflights users on 3/12. 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 10/71:56 pm
BIS
-
ORD
Nonstop2h 14m
American Airlines
Tue 10/139:40 am
ORD
-
BIS
Nonstop2h 24m
American Airlines
Deal found 3/12$312

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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(American Airlines)

One-way from

$126
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$314

Good round-trip deal

$384 or less

Good one-way deal

$329 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. 12% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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 March 16, 2026.
Use the filters below to find and compare flights from Bismarck to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BismarckChicago

BIS - ORD

BISORD

Bismarck

Thu 8/27

7:31 am-11:29 am

1 stop3h 58m

Chicago O'Hare Intl

Sat 8/29

6:00 am-12:41 pm

1 stop6h 41m

$367
Quickest round-trip

BismarckChicago

BIS - ORD

BISORD

Bismarck

Fri 4/10

12:59 pm-3:23 pm

Nonstop2h 24m

Chicago O'Hare Intl

Mon 4/13

9:55 am-12:29 pm

Nonstop2h 34m

$382

BismarckChicago

BIS - ORD

BISORD

Bismarck

Sat 7/18

1:10 pm-4:48 pm

1 stop3h 38m

Chicago O'Hare Intl

Tue 7/21

5:20 pm-11:14 pm

1 stop5h 54m

$399

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 8/4

11:30 am-4:48 pm

1 stop5h 18m

Chicago O'Hare Intl

Sun 8/9

6:00 am-10:48 am

1 stop4h 48m

$402

BismarckChicago

BIS - ORD

BISORD

Bismarck

Thu 8/27

1:32 pm-3:44 pm

Nonstop2h 12m

Chicago O'Hare Intl

Sat 8/29

1:39 pm-10:56 pm

1 stop9h 17m

$409

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 3/31

11:13 am-6:00 pm

1 stop6h 47m

Chicago O'Hare Intl

Tue 4/7

7:00 pm-11:27 pm

1 stop4h 27m

$464

BismarckChicago

BIS - ORD

BISORD

Bismarck

Thu 4/9

11:13 am-6:02 pm

1 stop6h 49m

Chicago O'Hare Intl

Mon 4/13

1:36 pm-11:12 pm

2 stops9h 36m

$467
Cheapest one-way

BismarckChicago

BIS - ORD

BISORD

Bismarck

Sat 5/9

10:00 am-2:57 pm

1 stop4h 57m

$136

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 5/12

1:14 pm-7:20 pm

1 stop6h 06m

$146
Quickest one-way

BismarckChicago

BIS - ORD

BISORD

Bismarck

Wed 4/15

5:00 am-8:38 am

1 stop3h 38m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bismarck-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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 March 16, 2026.
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
8,296 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

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
8,296 reviews
Delta
7.9
Good
8,296 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

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
7.1
Good
11,466 reviews
Delta
7.9
Good
8,296 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

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 $382, Delta can have you in Chicago O'Hare Intl Airport from Bismarck in 2h 24m. The distance between Bismarck and Chicago O'Hare Intl Airport is about 714 mi. This flight may include one or multiple stops.

  • 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 32% 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 (83%), Qatar Airways (83%) or Envoy Air (83%) 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 $522 for a flight from Bismarck to Chicago O'Hare Intl Airport. The cheapest flight overall is $125 while the most popular route, (Bismarck - Chicago O'Hare Intl) is currently priced at $367.

  • 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
Naperville
Lake Geneva
Hoffman Estates
Delavan
Downers Grove
Des Plaines
Elgin
Oak Brook
South Holland
Elk Grove Village
Libertyville
Waukegan
Beloit
Warrenville
Oakbrook Terrace
Bridgeview
Great Lakes

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Alternative routes for Bismarck to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Fargo to O'Hare Intl flights
Fargo to Midway flights
Bismarck to Midway flights
Grand Forks to O'Hare Intl flights

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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$318FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$240Average$310FlexibilityNo cancel feeOn-time71%

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