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Bismarck

$132+ Cheap flights from Illinois to Bismarck (BIS)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BIS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Illinois to Bismarck

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

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:55 amORD - BIS
Nonstop2h 36mAmerican Airlines
Wed 12/241:01 pmBIS - ORD
Nonstop2h 34mAmerican Airlines
Deal found 12/17$366
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 12/319:55 amORD - BIS
Nonstop2h 36mAmerican Airlines
Sun 1/42:39 pmBIS - ORD
1 stop8h 26mAmerican Airlines
Deal found 12/16$393
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.
Mon 12/296:35 amORD - BIS
1 stop6h 13mDelta
Fri 1/211:18 amBIS - ORD
1 stop6h 29mDelta
Deal found 12/17$422
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:35 amORD - BIS
1 stop4h 03mDelta
Sun 1/47:38 amBIS - ORD
1 stop4h 12mDelta
Deal found 12/16$439
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:55 amORD - BIS
Nonstop2h 36mAmerican Airlines
Fri 1/21:01 pmBIS - ORD
Nonstop2h 34mAmerican Airlines
Deal found 12/17$548
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.
Wed 12/243:42 pmORD - BIS
1 stop8h 10mUnited Airlines
Mon 12/291:49 pmBIS - ORD
1 stop6h 11mUnited Airlines
Deal found 12/17$577
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 12/318:02 pmORD - BIS
2 stops20h 28mUnited Airlines
Sun 1/45:10 pmBIS - ORD
1 stop16h 34mUnited Airlines
Deal found 12/16$650
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 12/1912:45 pmORD - BIS
1 stop7h 31mUnited Airlines
Wed 12/245:10 pmBIS - ORD
1 stop6h 49mUnited Airlines
Deal found 12/17$702
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.
Sun 12/285:59 pmMDW - BIS
1 stop5h 48mDelta
Wed 12/3111:18 amBIS - MDW
1 stop6h 01mDelta
Deal found 12/17$820
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.
Sun 12/285:59 pmMDW - BIS
1 stop5h 48mDelta
Mon 12/295:00 amBIS - MDW
1 stop6h 06mDelta
Deal found 12/17$882

Find flight deals from Illinois to Bismarck

Keep the following information in mind while searching for Illinois 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

$277
(Delta)

One-way from

$132
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$506

Good round-trip deal

$533 or less
Provider with most accurate pricing for Chicago (CHI)-Bismarck flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Bismarck flights.
Search Deals
From Illinois to Bismarck
Search Deals
One-way flight from Illinois to Bismarck
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Bismarck.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 Illinois to Bismarck that are best for you.

Fly from

Illinois

Fly to

Bismarck

Route

Depart

Return

Price

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Fri 1/16

6:45 pm-11:26 pm

1 stop4h 41m

Bismarck

Sun 1/18

5:00 am-11:47 am

1 stop6h 47m

$299

ChicagoBismarck

MDW - BIS

MDWBIS

Chicago Midway

Fri 1/16

7:16 pm-11:26 pm

1 stop4h 10m

Bismarck

Sun 1/18

5:00 am-12:48 pm

2 stops7h 48m

$304

MolineBismarck

MLI - BIS

MLIBIS

Moline Quad-City

Wed 1/21

8:46 am-4:32 pm

1 stop7h 46m

Bismarck

Sat 1/24

1:35 pm-8:34 pm

1 stop6h 59m

$321

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Thu 1/1

6:35 am-10:38 am

1 stop4h 03m

Bismarck

Mon 1/5

8:44 am-3:19 pm

1 stop6h 35m

$347

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Fri 3/20

3:25 pm-8:19 pm

1 stop4h 54m

Bismarck

Sat 3/21

1:22 pm-5:05 pm

1 stop3h 43m

$364

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Thu 1/1

9:55 am-12:31 pm

Nonstop2h 36m

Bismarck

Mon 1/5

1:01 pm-3:35 pm

Nonstop2h 34m

$365

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Wed 2/18

6:10 am-2:10 pm

1 stop8h 00m

Bismarck

Sat 2/21

2:40 pm-10:23 pm

1 stop7h 43m

$387

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Wed 12/31

9:55 am-12:31 pm

Nonstop2h 36m

Bismarck

Sun 1/4

2:39 pm-11:05 pm

1 stop8h 26m

$393

ChicagoBismarck

MDW - BIS

MDWBIS

Chicago Midway

Sun 1/18

7:16 pm-11:30 pm

1 stop4h 14m

Bismarck

Fri 1/30

11:21 am-6:36 pm

1 stop7h 15m

$402

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Sun 1/18

6:45 pm-11:30 pm

1 stop4h 45m

Bismarck

Fri 1/30

11:21 am-5:55 pm

1 stop6h 34m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 36 results
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Best time to book a flight from Illinois to Bismarck

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

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

Find hourly flight availability from Illinois 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.

One of the essential ways to save on airfare from Illinois to Bismarck is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 36% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    Most people fly into Bismarck (BIS) if they book a flight to Bismarck from Illinois. Bismarck is conveniently located just 2.5 mi from Bismarck’s city center.

  • How long is the flight from Illinois to Bismarck?

    A quick flight from Illinois to Bismarck can take about 2h 36m. Delta provides one of the quickest options available for as low as $365. The distance between Illinois and Bismarck is about 714 mi. This flight may include one or multiple stops.

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

    Most travelers choose Chicago O'Hare Intl - Bismarck, Chicago Midway - Bismarck or Moline Quad-City - Bismarck when deciding on the best route from Illinois to Bismarck.

  • What are the most reliable airlines from Illinois to Bismarck?

    Before booking your flight to Bismarck from Illinois, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (100%), American Airlines (93%), Qatar Airways( 82%).

  • What are the cheapest flights from Illinois to Bismarck?

    On average you can expect to pay $533 for a flight from Illinois to Bismarck. The cheapest flight overall is $533 while the most popular route, (Chicago O'Hare Intl - Bismarck) is currently priced at $287.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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.

See more FAQs

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Top 2 airlines flying from Illinois to Bismarck

Discover the top 2 airlines that operate flights from Illinois 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$218Average$411FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$255Average$391FlexibilityNo cancel feeOn-time71%

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