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 day?

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

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 June 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 June 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.

$205 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.

1:13 pm - 3:40 pm

BIS

ORD

2h 27mnonstop

10:06 am - 12:36 pm

ORD

BIS

2h 30mnonstop

$295American Airlines

Sat, Sep 12 - Sat, Sep 19

2:28 pm - 10:23 pm

BIS

ORD

7h 55m

1 stop

9:40 am - 12:25 pm

ORD

BIS

2h 45mnonstop

$305American Airlines

Tue, Nov 3 - Sat, Nov 7

7:31 am - 11:51 am

BIS

MDW

4h 20m

1 stop

9:55 am - 4:54 pm

MDW

BIS

6h 59m

1 stop

$315Delta

Tue, Oct 6 - Sat, Oct 10

5:00 am - 8:43 am

BIS

ORD

3h 43m

1 stop

3:50 pm - 7:57 pm

ORD

BIS

4h 07m

1 stop

$315Delta

Tue, Oct 6 - Sat, Oct 10

6:00 am - 12:32 pm

BIS

STL

6h 32m

1 stop

6:00 am - 12:21 pm

STL

BIS

6h 21m

1 stop

$319American Airlines

Thu, Dec 3 - Sun, Dec 6

5:00 am - 12:33 pm

BIS

MDW

7h 33m

2 stops

5:35 pm - 11:21 pm

MDW

BIS

5h 46m

1 stop

$320Delta

Wed, Oct 7 - Tue, Oct 13

12:06 pm - 6:15 pm

BIS

STL

30h 09m

1 stop

7:03 pm - 11:16 am

STL

BIS

16h 13m

1 stop

$349Multiple Airlines

Sun, Jul 26 - Wed, Jul 29

9:15 am - 4:26 pm

BIS

STL

7h 11m

1 stop

1:30 pm - 8:03 pm

STL

BIS

6h 33m

1 stop

$399United Airlines

Tue, Oct 27 - Sat, Oct 31

9:15 am - 4:26 pm

BIS

STL

7h 11m

1 stop

1:30 pm - 8:03 pm

STL

BIS

6h 33m

1 stop

$444United Airlines

Tue, Oct 27 - Sat, Oct 31

12:06 pm - 6:15 pm

BIS

STL

30h 09m

1 stop

8:08 pm - 11:16 am

STL

BIS

15h 08m

2 stops

$471Multiple Airlines

Sun, Jul 26 - Wed, Jul 29

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American Airlines flights from Bismarck to Illinois

Our best American Airlines deals on Bismarck to Illinois flight tickets

American Airlines

Sep 12

BIS1:13 pmBismarck

2h 27m

ORD3:40 pmChicago O'Hare Intl

Sep 19

ORD10:06 amChicago O'Hare Intl

2h 30m

BIS12:36 pmBismarck

$295

American Airlines

Nov 3

BIS2:28 pmBismarck

7h 55m

1 stop

ORD10:23 pmChicago O'Hare Intl

Nov 7

ORD9:40 amChicago O'Hare Intl

2h 45m

BIS12:25 pmBismarck

$305

American Airlines

Dec 3

BIS6:00 amBismarck

6h 32m

1 stop

STL12:32 pmLambert-St Louis

Dec 6

STL6:00 amLambert-St Louis

6h 21m

1 stop

BIS12:21 pmBismarck

$319

Delta flights from Bismarck to Illinois

Our best Delta deals on Bismarck to Illinois flight tickets

Delta

Oct 6

BIS5:00 amBismarck

3h 43m

1 stop

ORD8:43 amChicago O'Hare Intl

Oct 10

ORD3:50 pmChicago O'Hare Intl

4h 07m

1 stop

BIS7:57 pmBismarck

$315

Delta

Oct 7

BIS5:00 amBismarck

7h 37m

2 stops

ORD12:37 pmChicago O'Hare Intl

Oct 13

ORD7:40 pmChicago O'Hare Intl

3h 41m

1 stop

BIS11:21 pmBismarck

$320

Delta

Oct 7

BIS5:00 amBismarck

7h 37m

2 stops

ORD12:37 pmChicago O'Hare Intl

Oct 10

ORD7:05 amChicago O'Hare Intl

9h 49m

2 stops

BIS4:54 pmBismarck

$325

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BismarckChicago

BIS - ORD

BISORD

Bismarck

Sat 9/12

1:13 pm-3:40 pm

Nonstop2h 27m

Chicago O'Hare Intl

Sat 9/19

10:06 am-12:36 pm

Nonstop2h 30m

$295

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 11/3

2:28 pm-10:23 pm

1 stop7h 55m

Chicago O'Hare Intl

Sat 11/7

9:40 am-12:25 pm

Nonstop2h 45m

$305

BismarckChicago

BIS - MDW

BISMDW

Bismarck

Tue 10/6

7:31 am-11:51 am

1 stop4h 20m

Chicago Midway

Sat 10/10

9:55 am-4:54 pm

1 stop6h 59m

$315

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 10/6

5:00 am-8:43 am

1 stop3h 43m

Chicago O'Hare Intl

Sat 10/10

3:50 pm-7:57 pm

1 stop4h 07m

$315

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Thu 12/3

6:00 am-12:32 pm

1 stop6h 32m

Lambert-St Louis

Sun 12/6

6:00 am-12:21 pm

1 stop6h 21m

$319

BismarckChicago

BIS - MDW

BISMDW

Bismarck

Wed 10/7

5:00 am-12:33 pm

2 stops7h 33m

Chicago Midway

Tue 10/13

5:35 pm-11:21 pm

1 stop5h 46m

$320

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sun 7/26

12:06 pm-6:15 pm

1 stop30h 09m

Lambert-St Louis

Wed 7/29

7:03 pm-11:16 am

1 stop16h 13m

$349

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Tue 10/27

9:15 am-4:26 pm

1 stop7h 11m

Lambert-St Louis

Sat 10/31

1:30 pm-8:03 pm

1 stop6h 33m

$399

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Tue 10/27

9:15 am-4:26 pm

1 stop7h 11m

Lambert-St Louis

Sat 10/31

1:30 pm-8:03 pm

1 stop6h 33m

$444

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Sun 7/26

12:06 pm-6:15 pm

1 stop30h 09m

Lambert-St Louis

Wed 7/29

8:08 pm-11:16 am

2 stops15h 08m

$471

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 $199, 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 July is also cheap. Prices for this month can be found on momondo for an average of $223.

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 $378. Flights from Bismarck to Illinois on a Sunday will generally be more expensive and average around $733. 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 $470. Flights in the morning are often more expensive with an average ticket price of $485.

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 is only 1 cabin class 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 1% 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	$381
Fastest flight time	2h 24m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Bismarck in the past 72 hours is $381. The best round-trip flight deal from Bismarck to Illinois found on momondo in the last 72 hours is $476.

The fastest flight from Bismarck to Illinois takes 2h 24m

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 June 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 69.23% of the total bookings. Other popular models include Embraer 170 with 23.08% and Airbus A319 with 7.69%.

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
American Airlines	PriceFrom $259	Free Cancellation	Rating 7.1 11,635 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.

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Popular cities in Illinois

Flights to New Yorkfrom $72

Flights to Los Angelesfrom $49

Flights to Miamifrom $79

Flights to Orlandofrom $64

Flights to Chicagofrom $73

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $56

Flights to Washington, D.C.from $58

Flights to Bostonfrom $70

Flights to Atlantafrom $66

Flights to Dallasfrom $82

Flights to Fort Lauderdalefrom $55

Cheap flights from Bismarck to Illinois from $148

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bismarck to Illinois departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Bismarck to Illinois

Our best American Airlines deals on Bismarck to Illinois flight tickets

Delta flights from Bismarck to Illinois

Our best Delta deals on Bismarck to Illinois flight tickets

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How to get the cheapest flight ticket from Bismarck to Illinois

What is the cheapest month to fly to Illinois?

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

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

What is the cheapest Bismarck to Illinois flight route?

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

Can stopping save me money on Bismarck to Illinois flights?

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

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

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

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

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying from Bismarck to Illinois

Best airlines flying from Bismarck to Illinois

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

Why use momondo?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo

Bismarck flight routes

According to popular flight searches on momondo this year

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