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Cheap flights from Illinois to Bismarck from $191

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Bismarck departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Bismarck

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
9:59 am - 4:56 pm
MDW
-
BIS
6h 57m
1 stop
Delta Logo
11:10 am - 6:01 pm
BIS
-
MDW
6h 51m
1 stop
$197Delta
Sat, Aug 22 - Sun, Aug 23
Delta Logo
3:00 pm - 7:46 pm
ORD
-
BIS
4h 46m
1 stop
Delta Logo
5:36 pm - 9:47 pm
BIS
-
ORD
4h 11m
1 stop
$197Delta
Sat, Aug 15 - Sat, Aug 22
Delta Logo
1:59 pm - 11:12 pm
ORD
-
BIS
9h 13m
2 stops
Delta Logo
5:00 am - 8:30 am
BIS
-
ORD
3h 30m
1 stop
$202Delta
Fri, Aug 28 - Sun, Aug 30
Delta Logo
1:51 pm - 7:46 pm
MDW
-
BIS
5h 55m
1 stop
Delta Logo
1:17 pm - 6:01 pm
BIS
-
MDW
4h 44m
1 stop
$288Delta
Sat, Aug 15 - Sat, Aug 22
American Airlines Logo
10:00 am - 12:27 pm
ORD
-
BIS
2h 27mnonstop
American Airlines Logo
12:58 pm - 3:23 pm
BIS
-
ORD
2h 25mnonstop
$295American Airlines
Wed, Aug 12 - Wed, Aug 19
American Airlines Logo
7:00 am - 1:25 pm
ORD
-
BIS
6h 25m
1 stop
American Airlines Logo
12:58 pm - 3:23 pm
BIS
-
ORD
2h 25mnonstop
$305American Airlines
Wed, Aug 12 - Wed, Aug 19
American Airlines Logo
6:00 am - 1:25 pm
ORD
-
BIS
7h 25m
1 stop
American Airlines Logo
12:58 pm - 3:23 pm
BIS
-
ORD
2h 25mnonstop
$307American Airlines
Tue, Aug 18 - Tue, Aug 25
United Airlines Logo
4:40 pm - 11:38 pm
STL
-
BIS
6h 58m
1 stop
United Airlines Logo
9:00 am - 4:34 pm
BIS
-
STL
7h 34m
1 stop
$389United Airlines
Tue, Aug 18 - Sat, Aug 22
United Airlines Logo
8:50 am - 11:47 pm
MLI
-
BIS
14h 57m
1 stop
United Airlines Logo
12:58 pm - 9:03 pm
BIS
-
MLI
8h 05m
1 stop
$687United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
8:50 am - 7:58 pm
MLI
-
BIS
11h 08m
1 stop
United Airlines Logo
5:01 pm - 11:01 pm
BIS
-
MLI
30h 00m
2 stops
$692United Airlines
Sat, Oct 31 - Tue, Nov 3

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American Airlines flights from Illinois to Bismarck

Our best American Airlines deals on Illinois to Bismarck flight tickets
American Airlines
Aug 12
ORD10:00 amChicago O'Hare Intl
2h 27m
BIS12:27 pmBismarck
Aug 19
BIS12:58 pmBismarck
2h 25m
ORD3:23 pmChicago O'Hare Intl
$295
American Airlines
Aug 12
ORD7:00 amChicago O'Hare Intl
6h 25m
1 stop
BIS1:25 pmBismarck
Aug 19
BIS12:58 pmBismarck
2h 25m
ORD3:23 pmChicago O'Hare Intl
$305
American Airlines
Aug 18
ORD6:00 amChicago O'Hare Intl
7h 25m
1 stop
BIS1:25 pmBismarck
Aug 25
BIS12:58 pmBismarck
2h 25m
ORD3:23 pmChicago O'Hare Intl
$307

Delta flights from Illinois to Bismarck

Our best Delta deals on Illinois to Bismarck flight tickets
Delta
Aug 22
MDW9:59 amChicago Midway
6h 57m
1 stop
BIS4:56 pmBismarck
Aug 23
BIS11:10 amBismarck
6h 51m
1 stop
MDW6:01 pmChicago Midway
$197
Delta
Aug 28
ORD1:59 pmChicago O'Hare Intl
9h 13m
2 stops
BIS11:12 pmBismarck
Aug 30
BIS5:00 amBismarck
3h 30m
1 stop
ORD8:30 amChicago O'Hare Intl
$202
Delta
Aug 15
MDW1:51 pmChicago Midway
5h 55m
1 stop
BIS7:46 pmBismarck
Aug 22
BIS1:17 pmBismarck
4h 44m
1 stop
MDW6:01 pmChicago Midway
$288

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated July 6, 2026.
Use the filters below to find and compare flights from Illinois to Bismarck that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBismarck

MDW - BIS

MDWBIS

Chicago Midway

Sat 8/22

9:59 am-4:56 pm

1 stop6h 57m

Bismarck

Sun 8/23

11:10 am-6:01 pm

1 stop6h 51m

$197

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Sat 8/15

3:00 pm-7:46 pm

1 stop4h 46m

Bismarck

Sat 8/22

5:36 pm-9:47 pm

1 stop4h 11m

$197

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Fri 8/28

1:59 pm-11:12 pm

2 stops9h 13m

Bismarck

Sun 8/30

5:00 am-8:30 am

1 stop3h 30m

$202

ChicagoBismarck

MDW - BIS

MDWBIS

Chicago Midway

Sat 8/15

1:51 pm-7:46 pm

1 stop5h 55m

Bismarck

Sat 8/22

1:17 pm-6:01 pm

1 stop4h 44m

$288
Quickest round-trip

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Wed 8/12

10:00 am-12:27 pm

Nonstop2h 27m

Bismarck

Wed 8/19

12:58 pm-3:23 pm

Nonstop2h 25m

$295

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Wed 8/12

7:00 am-1:25 pm

1 stop6h 25m

Bismarck

Wed 8/19

12:58 pm-3:23 pm

Nonstop2h 25m

$305

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Tue 8/18

6:00 am-1:25 pm

1 stop7h 25m

Bismarck

Tue 8/25

12:58 pm-3:23 pm

Nonstop2h 25m

$307

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Tue 8/18

4:40 pm-11:38 pm

1 stop6h 58m

Bismarck

Sat 8/22

9:00 am-4:34 pm

1 stop7h 34m

$389

MolineBismarck

MLI - BIS

MLIBIS

Moline Quad-City

Sat 10/31

8:50 am-11:47 pm

1 stop14h 57m

Bismarck

Tue 11/3

12:58 pm-9:03 pm

1 stop8h 05m

$687

MolineBismarck

MLI - BIS

MLIBIS

Moline Quad-City

Sat 10/31

8:50 am-7:58 pm

1 stop11h 08m

Bismarck

Tue 11/3

5:01 pm-11:01 pm

2 stops30h 00m

$692

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bismarck from

How to get the cheapest flight ticket from Illinois to Bismarck

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

What is the cheapest month to fly to Bismarck?

In general, November is the cheapest month to fly from Illinois to Bismarck. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $254. If you aren’t able to travel during the month of November, then book flights to Bismarck from Illinois during March instead. Flights to Bismarck in March, while not as cheap as those in November, still average around $255.

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

The cheapest day to depart from Illinois to Bismarck is on a Thursday. Travelers who choose to depart for Bismarck on a Thursday will often find tickets for as low as $319. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $734. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bismarck.

What is the cheapest Illinois to Bismarck flight route?

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

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

There are 3 cabin classes available to choose from on Illinois to Bismarck 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 Illinois to Bismarck flights?

You could potentially save up to 3% on your flight if you consider stops on a Illinois to Bismarck flight.

Cheap Illinois to Bismarck flight deals and tips

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

Best Price Found

$422

Fastest flight time

2h 31m

Direct flights

Every day

Airports in Bismarck

1 airport
The best flight deal from Illinois to Bismarck found on momondo in the last 72 hours is $422
The fastest flight from Illinois to Bismarck takes 2h 31m
Direct flights go from Illinois to Bismarck every day.
There is 1 airport in Bismarck. From Illinois there are direct flights to Bismarck (BIS).
Search flight deals

Frequently asked questions about flying from Illinois to Bismarck

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

    Prices for flights from Illinois to Bismarck Airport are refreshed on a daily basis.

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

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

    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 Illinois to Bismarck Airport.

  • What documentation or ID do you need to fly to Bismarck Airport?

    The travel and health documents you'll need for your trip to Bismarck Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bismarck Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Illinois to Bismarck?

Best airlines flying from Illinois to Bismarck

Compare and see reviews for airlines that fly from Illinois to Bismarck with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $259Free CancellationRating
7.1
11,782 reviews
Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Bismarck. momondo saves you time and could save you money on your trip.

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

All flight searches from Illinois to Bismarck on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Illinois to Bismarck flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Illinois to Bismarck now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bismarck and let you know when they change.

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