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

The number of flights available between Bismarck and Illinois is 2 per day as of September 2026. The most frequent departure time is 12:00PM, with 100% of daily flights leaving in the afternoon.

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

Delta is the most popular carrier operating from Bismarck to Illinois

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

The number of flights available between Bismarck and Illinois is 14 per week as of September 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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 September 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.

$194 Cheap Flights from Bismarck to Illinois in 2026

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.

1:06 pm - 3:25 pmBIS Bismarck-ORD Chicago O'Hare Intl

2h 19mnonstop

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

2h 34mnonstop

$325American Airlines

Tue, Nov 3 - Sat, Nov 7

12:56 pm - 3:14 pmBIS Bismarck-ORD Chicago O'Hare Intl

2h 18mnonstop

9:53 am - 12:23 pmORD Chicago O'Hare Intl-BIS Bismarck

2h 30mnonstop

$325American Airlines

Tue, Oct 6 - Sat, Oct 10

1:06 pm - 3:25 pmBIS Bismarck-ORD Chicago O'Hare Intl

2h 19mnonstop

3:00 pm - 9:46 pmORD Chicago O'Hare Intl-BIS Bismarck

6h 46m1 stop Dallas/Fort Worth

$335American Airlines

Tue, Nov 3 - Sat, Nov 7

1:58 pm - 9:12 pmBIS Bismarck-ORD Chicago O'Hare Intl

7h 14m1 stop Dallas/Fort Worth

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

2h 34mnonstop

$335American Airlines

Tue, Nov 3 - Sat, Nov 7

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

3h 44m1 stop Minneapolis St Paul

12:27 pm - 4:26 pmMDW Chicago Midway-BIS Bismarck

3h 59m1 stop Minneapolis St Paul

$345Delta

Tue, Nov 3 - Sat, Nov 7

5:00 pm - 11:44 pmBIS Bismarck-STL Lambert-St Louis

6h 44m1 stop Denver Intl

5:10 am - 1:01 pmSTL Lambert-St Louis-BIS Bismarck

7h 51m1 stop Denver Intl

$349United Airlines

Sat, Sep 26 - Sun, Sep 27

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

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

12:27 pm - 4:26 pmMDW Chicago Midway-BIS Bismarck

3h 59m1 stop Minneapolis St Paul

$350Delta

Tue, Nov 3 - Sat, Nov 7

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

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

5:30 pm - 11:25 pmORD Chicago O'Hare Intl-BIS Bismarck

5h 55m1 stop Minneapolis St Paul

$350Delta

Tue, Nov 3 - Sat, Nov 7

5:00 pm - 11:44 pmBIS Bismarck-STL Lambert-St Louis

6h 44m1 stop Denver Intl

5:10 am - 1:01 pmSTL Lambert-St Louis-BIS Bismarck

7h 51m1 stop Denver Intl

$569United Airlines

Fri, Sep 25 - Sun, Sep 27

5:50 am - 8:19 pmBIS Bismarck-ORD Chicago O'Hare Intl

14h 29m2 stops Denver Intl Lambert-St Louis

7:00 am - 8:29 pmORD Chicago O'Hare Intl-BIS Bismarck

13h 29m2 stops Minneapolis St Paul Denver Intl

$570United Airlines

Sat, Nov 7 - Wed, Nov 11

Cheap last minute flights

Enter your travel dates to find the best prices.

1:57 pm - 9:09 pmBIS Bismarck-ORD Chicago O'Hare Intl

7h 12m1 stop Dallas/Fort Worth

5:00 am - 1:27 pmORD Chicago O'Hare Intl-BIS Bismarck

8h 27m1 stop Dallas/Fort Worth

$506American Airlines

Wed, Sep 16 - Sun, Sep 20

1:57 pm - 9:09 pmBIS Bismarck-ORD Chicago O'Hare Intl

7h 12m1 stop Dallas/Fort Worth

10:06 am - 12:36 pmORD Chicago O'Hare Intl-BIS Bismarck

2h 30mnonstop

$513American Airlines

Wed, Sep 16 - Sun, Sep 20

1:13 pm - 3:40 pmBIS Bismarck-ORD Chicago O'Hare Intl

2h 27mnonstop

10:06 am - 12:36 pmORD Chicago O'Hare Intl-BIS Bismarck

2h 30mnonstop

$546American Airlines

Sat, Sep 12 - Mon, Sep 14

1:57 pm - 9:09 pmBIS Bismarck-ORD Chicago O'Hare Intl

7h 12m1 stop Dallas/Fort Worth

10:06 am - 12:36 pmORD Chicago O'Hare Intl-BIS Bismarck

2h 30mnonstop

$556American Airlines

Sat, Sep 12 - Mon, Sep 14

1:17 pm - 8:30 pmBIS Bismarck-ORD Chicago O'Hare Intl

7h 13m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

6:10 am - 10:32 amORD Chicago O'Hare Intl-BIS Bismarck

4h 22m1 stop Minneapolis St Paul

$662Delta

Wed, Sep 16 - Sun, Sep 20

1:30 pm - 9:59 pmBIS Bismarck-ORD Chicago O'Hare Intl

8h 29m1 stop Denver Intl

4:00 pm - 11:38 pmORD Chicago O'Hare Intl-BIS Bismarck

7h 38m2 stops Sioux City Sioux Gateway Denver Intl

$785United Airlines

Sat, Sep 12 - Mon, Sep 14

1:30 pm - 9:59 pmBIS Bismarck-ORD Chicago O'Hare Intl

8h 29m1 stop Denver Intl

2:32 pm - 8:18 pmORD Chicago O'Hare Intl-BIS Bismarck

5h 46m1 stop Denver Intl

$793United Airlines

Sat, Sep 12 - Mon, Sep 14

6:12 pm - 11:59 pmBIS Bismarck-ORD Chicago O'Hare Intl

5h 47m1 stop Denver Intl

1:30 pm - 8:18 pmORD Chicago O'Hare Intl-BIS Bismarck

6h 48m1 stop Denver Intl

$820United Airlines

Mon, Sep 14 - Wed, Sep 16

1:17 pm - 6:19 pmBIS Bismarck-MDW Chicago Midway

5h 02m1 stop Minneapolis St Paul

9:59 am - 5:00 pmMDW Chicago Midway-BIS Bismarck

7h 01m1 stop Minneapolis St Paul

$919Delta

Wed, Sep 16 - Sun, Sep 20

1:17 pm - 8:30 pmBIS Bismarck-ORD Chicago O'Hare Intl

7h 13m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

8:55 am - 5:00 pmORD Chicago O'Hare Intl-BIS Bismarck

8h 05m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

$940Delta

Wed, Sep 16 - Sun, Sep 20

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Delta flights from Bismarck to Illinois

Our best Delta deals on Bismarck to Illinois flight tickets

Delta

Nov 3

BIS5:00 amBismarck

3h 44m

1 stop

MDW8:44 amChicago Midway

Nov 7

MDW12:27 pmChicago Midway

3h 59m

1 stop

BIS4:26 pmBismarck

$345

Delta

Nov 3

BIS5:00 amBismarck

7h 59m

2 stops

ORD12:59 pmChicago O'Hare Intl

Nov 7

ORD5:30 pmChicago O'Hare Intl

5h 55m

1 stop

BIS11:25 pmBismarck

$350

Delta

Oct 6

BIS12:40 pmBismarck

4h 00m

1 stop

ORD4:40 pmChicago O'Hare Intl

Oct 10

ORD5:30 pmChicago O'Hare Intl

5h 55m

1 stop

BIS11:25 pmBismarck

$365

American Airlines flights from Bismarck to Illinois

Our best American Airlines deals on Bismarck to Illinois flight tickets

American Airlines

Nov 3

BIS1:06 pmBismarck

2h 19m

ORD3:25 pmChicago O'Hare Intl

Nov 7

ORD9:59 amChicago O'Hare Intl

2h 34m

BIS12:33 pmBismarck

$325

American Airlines

Nov 3

BIS1:06 pmBismarck

2h 19m

ORD3:25 pmChicago O'Hare Intl

Nov 7

ORD3:00 pmChicago O'Hare Intl

6h 46m

1 stop

BIS9:46 pmBismarck

$335

American Airlines

Nov 3

BIS1:58 pmBismarck

7h 14m

1 stop

ORD9:12 pmChicago O'Hare Intl

Nov 7

ORD6:59 amChicago O'Hare Intl

6h 29m

1 stop

BIS1:28 pmBismarck

$345

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Tue 11/3

1:06 pm-3:25 pm

Nonstop2h 19m

Chicago O'Hare Intl

Sat 11/7

9:59 am-12:33 pm

Nonstop2h 34m

$325

Quickest round-trip

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Tue 10/6

12:56 pm-3:14 pm

Nonstop2h 18m

Chicago O'Hare Intl

Sat 10/10

9:53 am-12:23 pm

Nonstop2h 30m

$325

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Tue 11/3

1:06 pm-3:25 pm

Nonstop2h 19m

Chicago O'Hare Intl

Sat 11/7

3:00 pm-9:46 pm

1 stop6h 46m

$335

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Tue 11/3

1:58 pm-9:12 pm

1 stop7h 14m

Chicago O'Hare Intl

Sat 11/7

9:59 am-12:33 pm

Nonstop2h 34m

$335

BismarckChicago

BIS Bismarck - MDW Chicago Midway

BISMDW

Bismarck

Tue 11/3

5:00 am-8:44 am

1 stop3h 44m

Chicago Midway

Sat 11/7

12:27 pm-4:26 pm

1 stop3h 59m

$345

BismarckSt. Louis

BIS Bismarck - STL Lambert-St Louis

BISSTL

Bismarck

Sat 9/26

5:00 pm-11:44 pm

1 stop6h 44m

Lambert-St Louis

Sun 9/27

5:10 am-1:01 pm

1 stop7h 51m

$349

BismarckChicago

BIS Bismarck - MDW Chicago Midway

BISMDW

Bismarck

Tue 11/3

5:00 am-12:47 pm

2 stops7h 47m

Chicago Midway

Sat 11/7

12:27 pm-4:26 pm

1 stop3h 59m

$350

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Tue 11/3

5:00 am-12:59 pm

2 stops7h 59m

Chicago O'Hare Intl

Sat 11/7

5:30 pm-11:25 pm

1 stop5h 55m

$350

BismarckSt. Louis

BIS Bismarck - STL Lambert-St Louis

BISSTL

Bismarck

Fri 9/25

5:00 pm-11:44 pm

1 stop6h 44m

Lambert-St Louis

Sun 9/27

5:10 am-1:01 pm

1 stop7h 51m

$569

BismarckChicago

BIS Bismarck - ORD Chicago O'Hare Intl

BISORD

Bismarck

Sat 11/7

5:50 am-8:19 pm

2 stops14h 29m

Chicago O'Hare Intl

Wed 11/11

7:00 am-8:29 pm

2 stops13h 29m

$570

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 November. Flight prices, which tend to average around $262, 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 November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $275.

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 $449. Flights from Bismarck to Illinois on a Sunday will generally be more expensive and average around $752. 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 $506. Flights in the morning are often more expensive with an average ticket price of $518.

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 26% 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	$194
Fastest flight time	2h 19m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Bismarck in the past 72 hours is $194. The best round-trip flight deal from Bismarck to Illinois found on momondo in the last 72 hours is $325.

The fastest flight from Bismarck to Illinois takes 2h 19m

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 September 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 66.67% of the total bookings. Other popular models include Embraer 170 with 26.67% and Airbus A319 with 6.67%.

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 8,557 reviews		Search Delta flights
American Airlines	PriceFrom $286	Free Cancellation	Rating 7.1 12,048 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.