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Cheap flights from Illinois to Bismarck from $159

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 11/19. 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
0 bags

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Find the cheapest flights from Illinois to Bismarck

Cheap round-trip flights

American Airlines Logo
9:40 am - 12:21 pmORD-BIS
2h 41mnonstop
American Airlines Logo
12:51 pm - 3:23 pmBIS-ORD
2h 32mnonstop
$254American Airlines
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Thu, Dec 4 - Tue, Dec 9
American Airlines Logo
9:40 am - 12:25 pmORD-BIS
2h 45mnonstop
American Airlines Logo
2:28 pm - 10:57 pmBIS-ORD
8h 29m1 stop
$264American Airlines
Find Deal
Thu, Nov 20 - Sat, Nov 22
American Airlines Logo
9:40 am - 12:25 pmORD-BIS
2h 45mnonstop
American Airlines Logo
12:55 pm - 3:27 pmBIS-ORD
2h 32mnonstop
$271American Airlines
Find Deal
Thu, Nov 20 - Sat, Nov 22
American Airlines Logo
7:15 am - 1:57 pmORD-BIS
6h 42m1 stop
American Airlines Logo
2:52 pm - 10:18 pmBIS-ORD
7h 26m1 stop
$274American Airlines
Find Deal
Thu, Dec 4 - Tue, Dec 9
Delta Logo
2:00 pm - 7:57 pmMDW-BIS
5h 57m1 stop
Delta Logo
1:10 pm - 6:08 pmBIS-MDW
4h 58m1 stop
$281Delta
Find Deal
Fri, Jan 16 - Sun, Jan 18
United Airlines Logo
5:15 am - 12:54 pmSTL-BIS
7h 39m1 stop
United Airlines Logo
5:10 pm - 11:58 pmBIS-STL
6h 48m1 stop
$338United Airlines
Find Deal
Sat, Oct 18 - Tue, Oct 21
Delta Logo
9:30 am - 4:53 pmMDW-BIS
7h 23m2 stops
Delta Logo
11:30 am - 6:08 pmBIS-MDW
6h 38m1 stop
$345Delta
Find Deal
Fri, Jan 16 - Sun, Jan 18
Multiple Airlines Logo
8:30 pm - 10:46 amORD-BIS
14h 16m1 stop
Multiple Airlines Logo
10:15 pm - 6:25 amBIS-ORD
8h 10m1 stop
$405Multiple Airlines
Find Deal
Wed, Dec 3 - Fri, Dec 5
Multiple Airlines Logo
8:30 pm - 10:46 amORD-BIS
14h 16m1 stop
Multiple Airlines Logo
10:15 pm - 9:44 amBIS-ORD
11h 29m2 stops
$429Multiple Airlines
Find Deal
Wed, Dec 3 - Fri, Dec 5
United Airlines Logo
8:50 am - 4:22 pmMLI-BIS
7h 32m1 stop
United Airlines Logo
1:30 pm - 9:03 pmBIS-MLI
7h 33m1 stop
$433United Airlines
Find Deal
Sat, Feb 21 - Tue, Feb 24

American Airlines flights from Illinois to Bismarck

Our best American Airlines deals on Illinois to Bismarck flight tickets
American Airlines
Dec 4
ORD9:40 amChicago O'Hare Intl
2h 41m
BIS12:21 pmBismarck
Dec 9
BIS12:51 pmBismarck
2h 32m
ORD3:23 pmChicago O'Hare Intl
$254
Find similar
American Airlines
Nov 20
ORD9:40 amChicago O'Hare Intl
2h 45m
BIS12:25 pmBismarck
Nov 22
BIS2:28 pmBismarck
8h 29m
1 stop
ORD10:57 pmChicago O'Hare Intl
$264
Find similar
American Airlines
Nov 20
ORD9:40 amChicago O'Hare Intl
2h 45m
BIS12:25 pmBismarck
Nov 22
BIS12:55 pmBismarck
2h 32m
ORD3:27 pmChicago O'Hare Intl
$271
Find similar

Delta flights from Illinois to Bismarck

Our best Delta deals on Illinois to Bismarck flight tickets
Delta
Jan 16
MDW2:00 pmChicago Midway
5h 57m
1 stop
BIS7:57 pmBismarck
Jan 18
BIS1:10 pmBismarck
4h 58m
1 stop
MDW6:08 pmChicago Midway
$281
Find similar
Delta
Sep 29
ORD6:15 amChicago O'Hare Intl
4h 22m
1 stop
BIS10:37 amBismarck
Oct 6
BIS5:42 pmBismarck
3h 37m
1 stop
ORD9:19 pmChicago O'Hare Intl
$339
Find similar
Delta
Jan 16
MDW9:30 amChicago Midway
7h 23m
2 stops
BIS4:53 pmBismarck
Jan 18
BIS11:30 amBismarck
6h 38m
1 stop
MDW6:08 pmChicago Midway
$345
Find similar

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 September 22, 2025.
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

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Thu 12/4

9:40 am-12:21 pm

Nonstop2h 41m

Bismarck

Tue 12/9

12:51 pm-3:23 pm

Nonstop2h 32m

$254

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Thu 11/20

9:40 am-12:25 pm

Nonstop2h 45m

Bismarck

Sat 11/22

2:28 pm-10:57 pm

1 stop8h 29m

$264

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Thu 11/20

9:40 am-12:25 pm

Nonstop2h 45m

Bismarck

Sat 11/22

12:55 pm-3:27 pm

Nonstop2h 32m

$271

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Thu 12/4

7:15 am-1:57 pm

1 stop6h 42m

Bismarck

Tue 12/9

2:52 pm-10:18 pm

1 stop7h 26m

$274

ChicagoBismarck

MDW - BIS

MDWBIS

Chicago Midway

Fri 1/16

2:00 pm-7:57 pm

1 stop5h 57m

Bismarck

Sun 1/18

1:10 pm-6:08 pm

1 stop4h 58m

$281

St. LouisBismarck

STL - BIS

STLBIS

Lambert-St Louis

Sat 10/18

5:15 am-12:54 pm

1 stop7h 39m

Bismarck

Tue 10/21

5:10 pm-11:58 pm

1 stop6h 48m

$338

ChicagoBismarck

MDW - BIS

MDWBIS

Chicago Midway

Fri 1/16

9:30 am-4:53 pm

2 stops7h 23m

Bismarck

Sun 1/18

11:30 am-6:08 pm

1 stop6h 38m

$345

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Wed 12/3

8:30 pm-10:46 am

1 stop14h 16m

Bismarck

Fri 12/5

10:15 pm-6:25 am

1 stop8h 10m

$405

ChicagoBismarck

ORD - BIS

ORDBIS

Chicago O'Hare Intl

Wed 12/3

8:30 pm-10:46 am

1 stop14h 16m

Bismarck

Fri 12/5

10:15 pm-9:44 am

2 stops11h 29m

$429

MolineBismarck

MLI - BIS

MLIBIS

Moline Quad-City

Sat 2/21

8:50 am-4:22 pm

1 stop7h 32m

Bismarck

Tue 2/24

1:30 pm-9:03 pm

1 stop7h 33m

$433

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, January 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 $199. If you aren’t able to travel during the month of January, then book flights to Bismarck from Illinois during April instead. Flights to Bismarck in April, while not as cheap as those in January, still average around $253.

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

The cheapest day to depart from Illinois to Bismarck is on a Friday. Travelers who choose to depart for Bismarck on a Friday will often find tickets for as low as $293. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $567. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bismarck.

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

According to our data, the cheapest time of day to fly to Bismarck is in the morning. momondo users have found flights departing from Illinois to Bismarck in the morning for as low as $319. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $420. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 is only 1 cabin class 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 40% 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

$293

Fastest flight time

2h 20m

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 $293
The fastest flight from Illinois to Bismarck takes 2h 20m
Direct flights go from Illinois to Bismarck every day.
There is 1 airport near Bismarck: Bismarck (BIS)
Search flight deals

  • 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
DeltaPriceFrom $218Free CancellationRating
7.9
7,971 reviews
Search Delta flights
American AirlinesPriceFrom $259Free CancellationRating
7.2
10,000 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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