How many flights depart from Bismarck to Illinois on average per week?

The number of flights available between Bismarck and Illinois is 6 per week as of October 2026. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

What is the cheapest airline that flies from Bismarck to Illinois?

Delta and Allegiant Air are the most popular carriers operating from Bismarck to Illinois

When did momondo last update prices for flights from Bismarck Airport to Illinois?

Prices for flights from Bismarck Airport to Illinois refresh daily.

How many operators does momondo search for flights from Bismarck Airport to Illinois?

There are 2 operators available for flights from Bismarck Airport to Illinois as of October 2026.

How old do you have to be to fly from Bismarck Airport to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bismarck Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$268 Cheap Flights from Bismarck to Illinois in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bismarck to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:10 pm - 5:10 amBIS Bismarck-ORD Chicago O'Hare Intl

31h 00m1 stop Las Vegas Harry Reid Intl

6:21 am - 1:44 pmORD Chicago O'Hare Intl-BIS Bismarck

31h 23m1 stop Las Vegas Harry Reid Intl

$268Multiple Airlines

Sun, Nov 22 - Tue, Dec 1

10:10 pm - 5:10 amBIS Bismarck-ORD Chicago O'Hare Intl

31h 00m1 stop Las Vegas Harry Reid Intl

6:21 am - 9:28 pmORD Chicago O'Hare Intl-BIS Bismarck

15h 07m1 stop Las Vegas Harry Reid Intl

$298Multiple Airlines

Sun, Nov 22 - Thu, Dec 3

10:10 pm - 5:10 amBIS Bismarck-ORD Chicago O'Hare Intl

31h 00m1 stop Las Vegas Harry Reid Intl

8:15 am - 1:44 pmORD Chicago O'Hare Intl-BIS Bismarck

29h 29m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$301Multiple Airlines

Sun, Nov 22 - Tue, Dec 1

10:10 pm - 5:10 amBIS Bismarck-ORD Chicago O'Hare Intl

31h 00m1 stop Las Vegas Harry Reid Intl

6:21 am - 1:44 pmORD Chicago O'Hare Intl-BIS Bismarck

31h 23m1 stop Las Vegas Harry Reid Intl

$331Multiple Airlines

Sun, Nov 22 - Tue, Dec 1

2:06 pm - 11:04 pmBIS Bismarck-ORD Chicago O'Hare Intl

8h 58m1 stop Dallas/Fort Worth

9:55 am - 12:34 pmORD Chicago O'Hare Intl-BIS Bismarck

2h 39mnonstop

$375American Airlines

Wed, Dec 2 - Sat, Dec 5

2:12 pm - 10:33 pmBIS Bismarck-ORD Chicago O'Hare Intl

8h 21m1 stop Dallas/Fort Worth

1:43 pm - 9:51 pmORD Chicago O'Hare Intl-BIS Bismarck

8h 08m1 stop Dallas/Fort Worth

$385American Airlines

Sat, Nov 21 - Wed, Dec 2

1:17 pm - 3:44 pmBIS Bismarck-ORD Chicago O'Hare Intl

2h 27mnonstop

9:55 am - 12:34 pmORD Chicago O'Hare Intl-BIS Bismarck

2h 39mnonstop

$402American Airlines

Wed, Dec 2 - Sat, Dec 5

8:03 am - 5:44 pmBIS Bismarck-MDW Chicago Midway

9h 41m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

6:30 pm - 11:40 pmMDW Chicago Midway-BIS Bismarck

5h 10m1 stop Minneapolis St Paul

$410Delta

Sat, Dec 19 - Sat, Dec 26

5:00 am - 1:59 pmBIS Bismarck-ORD Chicago O'Hare Intl

8h 59m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

9:59 am - 2:49 pmORD Chicago O'Hare Intl-BIS Bismarck

4h 50m1 stop Minneapolis St Paul

$410Delta

Sat, Nov 21 - Wed, Dec 2

8:03 am - 5:00 pmBIS Bismarck-ORD Chicago O'Hare Intl

8h 57m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

9:59 am - 4:50 pmORD Chicago O'Hare Intl-BIS Bismarck

6h 51m1 stop Minneapolis St Paul

$410Delta

Sat, Dec 19 - Sat, Dec 26

Cheap last minute flights

Enter your travel dates to find the best prices.

1:11 pm - 3:30 pmBIS Bismarck-ORD Chicago O'Hare Intl

2h 19mnonstop

9:59 am - 12:33 pmORD Chicago O'Hare Intl-BIS Bismarck

2h 34mnonstop

$840American Airlines

Mon, Nov 2 - Tue, Nov 3

1:11 pm - 3:30 pmBIS Bismarck-ORD Chicago O'Hare Intl

2h 19mnonstop

6:59 am - 1:28 pmORD Chicago O'Hare Intl-BIS Bismarck

6h 29m1 stop Dallas/Fort Worth

$850American Airlines

Mon, Nov 2 - Tue, Nov 3

1:58 pm - 11:15 pmBIS Bismarck-ORD Chicago O'Hare Intl

9h 17m1 stop Dallas/Fort Worth

6:59 am - 1:28 pmORD Chicago O'Hare Intl-BIS Bismarck

6h 29m1 stop Dallas/Fort Worth

$860American Airlines

Mon, Nov 2 - Tue, Nov 3

5:00 am - 8:44 amBIS Bismarck-MDW Chicago Midway

3h 44m1 stop Minneapolis St Paul

10:12 am - 4:26 pmMDW Chicago Midway-BIS Bismarck

6h 14m1 stop Minneapolis St Paul

$880Delta

Mon, Nov 2 - Tue, Nov 3

12:40 pm - 4:47 pmBIS Bismarck-MDW Chicago Midway

4h 07m1 stop Minneapolis St Paul

1:27 pm - 7:55 pmMDW Chicago Midway-BIS Bismarck

6h 28m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

$885Delta

Mon, Nov 2 - Tue, Nov 3

8:11 am - 11:40 amBIS Bismarck-ORD Chicago O'Hare Intl

3h 29m1 stop Minneapolis St Paul

1:55 pm - 11:25 pmORD Chicago O'Hare Intl-BIS Bismarck

9h 30m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

$885Delta

Mon, Nov 2 - Tue, Nov 3

5:00 am - 12:47 pmBIS Bismarck-MDW Chicago Midway

7h 47m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

1:27 pm - 7:55 pmMDW Chicago Midway-BIS Bismarck

6h 28m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

$890Delta

Mon, Nov 2 - Tue, Nov 3

5:00 am - 12:59 pmBIS Bismarck-ORD Chicago O'Hare Intl

7h 59m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

1:55 pm - 11:25 pmORD Chicago O'Hare Intl-BIS Bismarck

9h 30m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

$890Delta

Mon, Nov 2 - Tue, Nov 3

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American Airlines flights from Bismarck to Illinois

Our best American Airlines deals on Bismarck to Illinois flight tickets

American Airlines

Dec 2

BIS2:06 pmBismarck

8h 58m

1 stop

ORD11:04 pmChicago O'Hare Intl

Dec 5

ORD9:55 amChicago O'Hare Intl

2h 39m

BIS12:34 pmBismarck

$375

American Airlines

Nov 21

BIS2:12 pmBismarck

8h 21m

1 stop

ORD10:33 pmChicago O'Hare Intl

Dec 2

ORD1:43 pmChicago O'Hare Intl

8h 08m

1 stop

BIS9:51 pmBismarck

$385

American Airlines

Dec 2

BIS1:17 pmBismarck

2h 27m

ORD3:44 pmChicago O'Hare Intl

Dec 5

ORD9:55 amChicago O'Hare Intl

2h 39m

BIS12:34 pmBismarck

$402

Delta flights from Bismarck to Illinois

Our best Delta deals on Bismarck to Illinois flight tickets

Delta

Nov 21

BIS5:00 amBismarck

8h 59m

2 stops

ORD1:59 pmChicago O'Hare Intl

Dec 2

ORD9:59 amChicago O'Hare Intl

4h 50m

1 stop

BIS2:49 pmBismarck

$410

Delta

Nov 21

BIS5:40 pmBismarck

3h 53m

1 stop

ORD9:33 pmChicago O'Hare Intl

Dec 1

ORD12:34 pmChicago O'Hare Intl

7h 12m

1 stop

BIS7:46 pmBismarck

$422

Delta

Dec 29

BIS12:41 pmBismarck

4h 43m

1 stop

MDW5:24 pmChicago Midway

Jan 1

MDW6:30 pmChicago Midway

5h 10m

1 stop

BIS11:40 pmBismarck

$427

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Sun 11/22

10:10 pm-5:10 am

1 stop31h 00m

Chicago O'Hare Intl

Tue 12/1

6:21 am-1:44 pm

1 stop31h 23m

$268

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Sun 11/22

10:10 pm-5:10 am

1 stop31h 00m

Chicago O'Hare Intl

Thu 12/3

6:21 am-9:28 pm

1 stop15h 07m

$298

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Sun 11/22

10:10 pm-5:10 am

1 stop31h 00m

Chicago O'Hare Intl

Tue 12/1

8:15 am-1:44 pm

2 stops29h 29m

$301

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Sun 11/22

10:10 pm-5:10 am

1 stop31h 00m

Chicago O'Hare Intl

Tue 12/1

6:21 am-1:44 pm

1 stop31h 23m

$331

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Wed 12/2

2:06 pm-11:04 pm

1 stop8h 58m

Chicago O'Hare Intl

Sat 12/5

9:55 am-12:34 pm

Nonstop2h 39m

$375

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Sat 11/21

2:12 pm-10:33 pm

1 stop8h 21m

Chicago O'Hare Intl

Wed 12/2

1:43 pm-9:51 pm

1 stop8h 08m

$385

Quickest round-trip

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Wed 12/2

1:17 pm-3:44 pm

Nonstop2h 27m

Chicago O'Hare Intl

Sat 12/5

9:55 am-12:34 pm

Nonstop2h 39m

$402

BismarckChicago

BIS Bismarck - MDW Chicago Midway

BISMDW

Bismarck

Sat 12/19

8:03 am-5:44 pm

2 stops9h 41m

Chicago Midway

Sat 12/26

6:30 pm-11:40 pm

1 stop5h 10m

$410

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Sat 11/21

5:00 am-1:59 pm

2 stops8h 59m

Chicago O'Hare Intl

Wed 12/2

9:59 am-2:49 pm

1 stop4h 50m

$410

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Sat 12/19

8:03 am-5:00 pm

2 stops8h 57m

Chicago O'Hare Intl

Sat 12/26

9:59 am-4:50 pm

1 stop6h 51m

$410

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bismarck to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Bismarck is in January. Flight prices, which tend to average around $298, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $299.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Bismarck to Illinois is on a Tuesday when prices can be found for as low as $459. Flights from Bismarck to Illinois on a Sunday will generally be more expensive and average around $746. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Bismarck to Illinois during this time can be as low as $502. Flights in the morning are often more expensive with an average ticket price of $532.

What is the cheapest Bismarck to Illinois flight route?

Fly from Bismarck to Chicago O'Hare Intl for the best Bismarck - Illinois flight prices

What cabin class options are available on Bismarck to Illinois flights?

There are 4 cabin classes available to choose from on Bismarck to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Bismarck to Illinois flights?

You could potentially save up to 16% on your flight if you consider stops on a Bismarck to Illinois flight.

Cheap Bismarck to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bismarck to Illinois

Best Price Found	$275
Fastest flight time	2h 18m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Bismarck in the past 72 hours is $275. The best round-trip flight deal from Bismarck to Illinois found on momondo in the last 72 hours is $268.

The fastest flight from Bismarck to Illinois takes 2h 18m

Direct flights go from Bismarck to Illinois every day.

There are 98 airports in Illinois. From Bismarck there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

Frequently asked questions about flying from Bismarck to Illinois

When did momondo last update prices for flights from Bismarck Airport to Illinois?
Prices for flights from Bismarck Airport to Illinois refresh daily.
How many operators does momondo search for flights from Bismarck Airport to Illinois?
There are 2 operators available for flights from Bismarck Airport to Illinois as of October 2026.
How old do you have to be to fly from Bismarck Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bismarck Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Bismarck to Illinois?
Based on momondo bookings for flights between Bismarck and Illinois, the leading plane model is Embraer 175, making up 65.00% of the total bookings. Other popular models include Embraer 170 with 25.00%, Boeing 737 MAX 8 with 5.00%, and Airbus A319 with 5.00%.

Best airlines flying from Bismarck to Illinois

Compare and see reviews for airlines that fly from Bismarck to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $267	Free Cancellation	Rating 7.8 8,681 reviews		Search Delta flights
American Airlines	PriceFrom $300	Free Cancellation	Rating 7.0 12,189 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Bismarck to Illinois?

Finding the right flight to Illinois from Bismarck is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

Can I find flights from Bismarck to Illinois with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Illinois from Bismarck with this policy.

How can momondo help me find flights from Bismarck to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Bismarck to Illinois.

I’m not ready to book a flight from Bismarck to Illinois right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Bismarck to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.