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$100+ Cheap flights from Bismarck (BIS) to Illinois

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — ORD
févr. 4 — févr. 111
mar. 2/4
mar. 2/11
1 adult, Economy
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Cheap flight deals from Bismarck to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) to Illinois (USIL). 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 janvier 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$224
(Delta)

One-way from

$100
(Delta)

Popular in

November

Cheapest in

February

Average price

$325

Good round-trip deal

$404 or less
Provider with most accurate pricing for Bismarck-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Bismarck-Chicago (CHI) flights.
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From Bismarck to Illinois
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One-way flight from Bismarck to Illinois
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Highest demand for flights based on searches. 12% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Bismarck to Illinois.
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Find flight deals from Bismarck to Illinois

Cheapest flights from Bismarck to Illinois
Explore the most affordable flight options available from Bismarck to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 30, 2025.

This Delta deal was found by Cheapflights users on 1/29. 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.
sam. 3/155:00 amBIS - MDW
1 stop5h 47mDelta
mer. 3/191:16 pmMDW - BIS
1 stop6h 44mDelta
Deal found 1/29$224
This Delta deal was found by Cheapflights users on 1/29. 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.
sam. 3/1511:48 amBIS - ORD
1 stop5h 40mDelta
mer. 3/196:15 amORD - BIS
1 stop4h 33mDelta
Deal found 1/29$224
This Delta deal was found by Cheapflights users on 1/29. 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.
ven. 3/145:36 pmBIS - STL
1 stop5h 27mDelta
mer. 3/196:00 amSTL - BIS
1 stop4h 48mDelta
Deal found 1/29$243
This American Airlines deal was found by Cheapflights users on 1/29. 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.
mer. 9/241:20 pmBIS - ORD
Nonstop2h 07mAmerican Airlines
jeu. 10/910:20 amORD - BIS
Nonstop2h 20mAmerican Airlines
Deal found 1/29$254
This American Airlines deal was found by Cheapflights users on 1/29. 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.
ven. 3/142:40 pmBIS - STL
1 stop8h 04mAmerican Airlines
mer. 3/195:55 amSTL - BIS
2 stops8h 15mAmerican Airlines
Deal found 1/29$289
This Mytrip deal was found by Cheapflights users on 1/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 2/195:31 pmBIS - ORD
2 stops19h 06mMultiple Airlines
jeu. 2/2010:45 pmORD - BIS
2 stops21h 13mMultiple Airlines
Deal found 1/29$321
This United Airlines deal was found by Cheapflights users on 1/30. 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.
mar. 6/105:50 amBIS - STL
3 stops16h 25mUnited Airlines
mar. 6/174:30 pmSTL - BIS
1 stop7h 07mUnited Airlines
Deal found 1/30$624

Find flights from Bismarck to Illinois within your budget

Customize your flight search to find flights from Bismarck to Illinois 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 janvier 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BismarckChicago

BIS - MDW

BISMDW

Bismarck

sam. 3/15

11:48 am-6:33 pm

1 stop6h 45m

Chicago Midway

mer. 3/19

1:16 pm-8:00 pm

1 stop6h 44m

$224

BismarckChicago

BIS - ORD

BISORD

Bismarck

sam. 3/15

3:20 pm-9:45 pm

1 stop6h 25m

Chicago O'Hare Intl

mer. 3/19

6:15 am-10:48 am

1 stop4h 33m

$224

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

ven. 3/14

5:36 pm-11:03 pm

1 stop5h 27m

Lambert-St Louis

mer. 3/19

6:00 am-10:48 am

1 stop4h 48m

$243

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

ven. 3/14

2:40 pm-10:44 pm

1 stop8h 04m

Lambert-St Louis

mer. 3/19

5:55 am-2:10 pm

2 stops8h 15m

$289

BismarckChicago

BIS - ORD

BISORD

Bismarck

sam. 3/15

2:30 pm-9:44 am

2 stops19h 14m

Chicago O'Hare Intl

mer. 3/19

7:57 pm-9:59 pm

2 stops26h 02m

$372

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

mar. 6/10

5:50 am-10:15 pm

3 stops16h 25m

Lambert-St Louis

mar. 6/17

4:30 pm-11:37 pm

1 stop7h 07m

$624

BismarckChicago

BIS - ORD

BISORD

Bismarck

mar. 2/25

11:40 am-5:29 pm

1 stop5h 49m

$100

BismarckChicago

BIS - MDW

BISMDW

Bismarck

dim. 3/16

5:00 am-9:45 am

1 stop4h 45m

$220

BismarckChicago

BIS - ORD

BISORD

Bismarck

lun. 7/28

1:30 pm-9:13 pm

1 stop7h 43m

$255

BismarckChicago

BIS - ORD

BISORD

Bismarck

dim. 3/16

2:40 pm-12:12 am

2 stops9h 32m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Best time to book a flight from Bismarck to Illinois

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

Travel insights for flights from Bismarck to Illinois

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

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated janvier 30, 2025.
Read through reviews of airlines operating flights from Bismarck to Illinois, such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,454 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

Delta
8.0
Very good
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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

United Airlines
7.4
Good
8,913 reviews
Delta
8.0
Very good
8,454 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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
8,454 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

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 Bismarck to Illinois. 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 Illinois?

    Bismarck (BIS) is the airport you will fly out of if you book a flight from Bismarck to Illinois. It is only a 2.5 mi journey to Bismarck (BIS) from Bismarck’s city center.

  • What are the cheapest airlines to fly from Bismarck to Illinois one-way?

    One-way options have recently been found by users for as low as $100 on Delta. Other airlines that offer cheap prices include American Airlines from $210 and United Airlines from $272 one-way.

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

    The most popular route from Bismarck to Illinois is Bismarck - Chicago Midway. You may also consider Bismarck - Chicago O'Hare Intl or Bismarck - Lambert-St Louis.

  • What are the cheapest flights from Bismarck to Illinois?

    Looking for the cheapest flight from Bismarck to Illinois? While on average our users pay $668, our data indicates the cheapest price to be $304. The most popular route (Bismarck - Chicago Midway), is priced around $224.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bismarck to Illinois 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 Illinois?

    Currently, August is the cheapest month in which you can book a flight from Bismarck to Illinois (average of $245). Flying from Bismarck to Illinois in March is currently the most expensive (average of $325). 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.

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Alternative routes for Bismarck to Illinois

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Top 2 airlines flying from Bismarck to Illinois

Discover the top 2 airlines that operate flights from Bismarck to Illinois. 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 janvier 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$247Average$394FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$304Average$418FlexibilityNo cancel feeOn-time71%
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