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$100+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BIS
Jan 27 — Feb 31
Mon 1/27
Mon 2/3
1 adult, Economy
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Cheap flight deals from Illinois to Bismarck

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Bismarck (BIS). 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 January 22, 2025.

Round-trip from

$199
(Delta)

One-way from

$100
(Delta)
From Illinois to Bismarck
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One-way flight from Illinois to Bismarck
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Find 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 January 22, 2025.

This Delta deal was found by Cheapflights users on 1/22. 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 3/410:19 amMDW - BIS
1 stop6h 40mDelta
Tue 3/117:30 amBIS - MDW
1 stop6h 45mDelta
Deal found 1/22$199
This Delta deal was found by Cheapflights users on 1/21. 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 3/46:15 amORD - BIS
1 stop7h 06mDelta
Tue 3/115:36 pmBIS - ORD
1 stop4h 11mDelta
Deal found 1/21$199
This American Airlines deal was found by Cheapflights users on 1/21. 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 7/1210:20 amORD - BIS
Nonstop2h 20mAmerican Airlines
Sat 7/191:20 pmBIS - ORD
Nonstop2h 07mAmerican Airlines
Deal found 1/21$329
This United Airlines deal was found by Cheapflights users on 1/22. 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 2/52:39 pmORD - BIS
1 stop5h 57mUnited Airlines
Fri 2/71:53 pmBIS - ORD
2 stops19h 32mUnited Airlines
Deal found 1/22$413
This United Airlines deal was found by Cheapflights users on 1/22. 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 4/26:30 amMLI - BIS
2 stops17h 19mUnited Airlines
Sat 4/51:55 pmBIS - MLI
1 stop7h 08mUnited Airlines
Deal found 1/22$489
This American Airlines deal was found by Cheapflights users on 1/22. 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 6/189:46 amSTL - BIS
1 stop5h 10mAmerican Airlines
Sat 6/211:20 pmBIS - STL
1 stop9h 57mAmerican Airlines
Deal found 1/22$508
This United Airlines deal was found by Cheapflights users on 1/22. 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 6/184:30 pmSTL - BIS
1 stop7h 07mUnited Airlines
Sat 6/215:07 pmBIS - STL
2 stops22h 37mUnited Airlines
Deal found 1/22$592

Find flights from Illinois to Bismarck within your budget

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 January 22, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBismarck

MDW - BIS

MDWBIS

Chicago Midway

Tue 3/4

10:19 am-4:59 pm

1 stop6h 40m

Bismarck

Tue 3/11

7:30 am-2:15 pm

1 stop6h 45m

$199

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Tue 3/4

6:15 am-10:55 am

1 stop4h 40m

Bismarck

Tue 3/11

11:28 am-5:28 pm

1 stop6h 00m

$199

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Wed 2/19

10:22 am-4:59 pm

1 stop6h 37m

Bismarck

Wed 2/26

7:45 am-2:50 pm

1 stop7h 05m

$259

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Wed 2/5

1:40 pm-10:27 pm

1 stop8h 47m

Bismarck

Sun 2/9

2:56 pm-11:46 pm

2 stops8h 50m

$264

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Wed 2/5

4:36 pm-11:57 pm

1 stop7h 21m

Bismarck

Sun 2/9

1:53 pm-8:43 pm

1 stop6h 50m

$295

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Wed 2/5

2:39 pm-8:36 pm

1 stop5h 57m

Bismarck

Fri 2/7

1:53 pm-9:25 am

2 stops19h 32m

$413

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Thu 6/12

10:20 am-12:40 pm

Nonstop2h 20m

Bismarck

Sat 6/14

1:20 pm-3:27 pm

Nonstop2h 07m

$425

MolineBismarck

MLI - BIS

MLIBIS

Moline Quad-City

Wed 4/2

6:30 am-11:49 pm

2 stops17h 19m

Bismarck

Sat 4/5

1:55 pm-9:03 pm

1 stop7h 08m

$489

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Wed 2/19

6:15 am-1:21 pm

1 stop7h 06m

$100

ChicagoBismarck

MDW - BIS

MDWBIS

Chicago Midway

Sat 2/22

5:05 pm-11:49 pm

2 stops6h 44m

$105

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 14 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.

Travel insights for flights from Illinois to Bismarck

Get recent, data-driven insights about flights from Illinois to Bismarck including ideal travel times, pricing trends, and more.

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 January 22, 2025.

When flying from Illinois to Bismarck, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Bismarck by month

Plan your trip to Bismarck by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bismarck ranges from 0.4 - 3.2 inches per month. June is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Bismarck when rainfall is around 0.4 in.

Temperature in Bismarck by month

Plan your trip to Bismarck by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bismarck, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 F).

Reviews of airlines servicing Bismarck

Get insights into the airlines that provide service to Bismarck. 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 Bismarck. Reviews last updated January 22, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Illinois to Bismarck by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,512 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,512 reviews
Delta
8.0
Very good
8,512 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,975 reviews
Delta
8.0
Very good
8,512 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,512 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    Most travelers choose Chicago O'Hare Intl - Bismarck, Chicago Midway - Bismarck or Evansville Dress Regional - Bismarck when deciding on the best route from Illinois to Bismarck.

  • 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.

  • What is the cheapest month to book a flight from Illinois to Bismarck?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Bismarck (average of $346). Flying from Illinois to Bismarck in June is currently the most expensive (average of $548). 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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Alternative routes for Illinois to Bismarck

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$232Average$400FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$399Average$546FlexibilityNo cancel feeOn-time71%
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