Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Bismarck to Illinois from $135

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 11/9. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Bismarck to Illinois

Cheap round-trip flights

Delta Logo
7:30 am - 1:08 pmBIS-MDW
5h 38m1 stop
Delta Logo
1:48 pm - 7:37 pmMDW-BIS
5h 49m1 stop
$219Delta
Find Deal
Sat, Oct 25 - Tue, Oct 28
Delta Logo
7:30 am - 6:25 pmBIS-MDW
10h 55m2 stops
Delta Logo
1:48 pm - 7:37 pmMDW-BIS
5h 49m1 stop
$224Delta
Find Deal
Sat, Oct 25 - Tue, Oct 28
American Airlines Logo
12:55 pm - 3:27 pmBIS-ORD
2h 32mnonstop
American Airlines Logo
9:40 am - 12:22 pmORD-BIS
2h 42mnonstop
$240American Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 6
Delta Logo
7:30 am - 1:08 pmBIS-MDW
5h 38m1 stop
Delta Logo
1:48 pm - 7:37 pmMDW-BIS
5h 49m1 stop
$250Delta
Find Deal
Sat, Oct 25 - Mon, Oct 27
Delta Logo
7:30 am - 6:25 pmBIS-MDW
10h 55m2 stops
Delta Logo
1:48 pm - 7:37 pmMDW-BIS
5h 49m1 stop
$255Delta
Find Deal
Sat, Oct 25 - Mon, Oct 27
American Airlines Logo
12:51 pm - 3:09 pmBIS-ORD
2h 18mnonstop
American Airlines Logo
4:18 pm - 10:26 pmORD-BIS
6h 08m1 stop
$257American Airlines
Find Deal
Tue, Sep 23 - Sat, Sep 27
Logo
12:02 pm - 6:25 amBIS-ORD
18h 23m1 stop
Logo
10:05 pm - 10:41 amORD-BIS
36h 36m2 stops
$387
Find Deal
Thu, Nov 6 - Tue, Nov 18
Logo
1:00 pm - 11:20 pmBIS-MDW
34h 20m2 stops
Logo
10:56 pm - 7:47 pmMDW-BIS
20h 51m1 stop
$424
Find Deal
Mon, Oct 6 - Mon, Oct 13
United Airlines Logo
5:45 am - 5:03 pmBIS-ORD
11h 18m2 stops
United Airlines Logo
3:49 pm - 12:54 pmORD-BIS
21h 05m2 stops
$467United Airlines
Find Deal
Mon, Nov 24 - Mon, Dec 15
United Airlines Logo
1:58 pm - 8:46 pmBIS-STL
6h 48m1 stop
United Airlines Logo
5:28 pm - 1:00 pmSTL-BIS
19h 32m2 stops
$821United Airlines
Find Deal
Fri, Oct 10 - Sun, Oct 19

American Airlines flights from Bismarck to Illinois

Our best American Airlines deals on Bismarck to Illinois flight tickets
American Airlines
Dec 2
BIS12:55 pmBismarck
2h 32m
ORD3:27 pmChicago O'Hare Intl
Dec 6
ORD9:40 amChicago O'Hare Intl
2h 42m
BIS12:22 pmBismarck
$240
Find similar
American Airlines
Sep 23
BIS12:51 pmBismarck
2h 18m
ORD3:09 pmChicago O'Hare Intl
Sep 27
ORD4:18 pmChicago O'Hare Intl
6h 08m
1 stop
BIS10:26 pmBismarck
$257
Find similar
American Airlines
Sep 23
BIS12:51 pmBismarck
2h 18m
ORD3:09 pmChicago O'Hare Intl
Sep 27
ORD10:38 amChicago O'Hare Intl
2h 40m
BIS1:18 pmBismarck
$264
Find similar

Delta flights from Bismarck to Illinois

Our best Delta deals on Bismarck to Illinois flight tickets
Delta
Oct 25
BIS7:30 amBismarck
5h 38m
1 stop
MDW1:08 pmChicago Midway
Oct 28
MDW1:48 pmChicago Midway
5h 49m
1 stop
BIS7:37 pmBismarck
$219
Find similar
Delta
Oct 25
BIS7:30 amBismarck
10h 55m
2 stops
MDW6:25 pmChicago Midway
Oct 28
MDW1:48 pmChicago Midway
5h 49m
1 stop
BIS7:37 pmBismarck
$224
Find similar
Delta
Oct 25
BIS7:30 amBismarck
5h 38m
1 stop
MDW1:08 pmChicago Midway
Oct 27
MDW1:48 pmChicago Midway
5h 49m
1 stop
BIS7:37 pmBismarck
$250
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Bismarck to Illinois 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 10, 2025.
Use the filters below to find and compare flights from Bismarck to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BismarckChicago

BIS - MDW

BISMDW

Bismarck

Sat 10/25

7:30 am-1:08 pm

1 stop5h 38m

Chicago Midway

Tue 10/28

1:48 pm-7:37 pm

1 stop5h 49m

$219

BismarckChicago

BIS - MDW

BISMDW

Bismarck

Sat 10/25

7:30 am-6:25 pm

2 stops10h 55m

Chicago Midway

Tue 10/28

1:48 pm-7:37 pm

1 stop5h 49m

$224

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 12/2

12:55 pm-3:27 pm

Nonstop2h 32m

Chicago O'Hare Intl

Sat 12/6

9:40 am-12:22 pm

Nonstop2h 42m

$240

BismarckChicago

BIS - MDW

BISMDW

Bismarck

Sat 10/25

7:30 am-1:08 pm

1 stop5h 38m

Chicago Midway

Mon 10/27

1:48 pm-7:37 pm

1 stop5h 49m

$250

BismarckChicago

BIS - MDW

BISMDW

Bismarck

Sat 10/25

7:30 am-6:25 pm

2 stops10h 55m

Chicago Midway

Mon 10/27

1:48 pm-7:37 pm

1 stop5h 49m

$255

BismarckChicago

BIS - ORD

BISORD

Bismarck

Tue 9/23

12:51 pm-3:09 pm

Nonstop2h 18m

Chicago O'Hare Intl

Sat 9/27

4:18 pm-10:26 pm

1 stop6h 08m

$257

BismarckChicago

BIS - ORD

BISORD

Bismarck

Thu 11/6

12:02 pm-6:25 am

1 stop18h 23m

Chicago O'Hare Intl

Tue 11/18

10:05 pm-10:41 am

2 stops36h 36m

$387

BismarckChicago

BIS - MDW

BISMDW

Bismarck

Mon 10/6

1:00 pm-11:20 pm

2 stops34h 20m

Chicago Midway

Mon 10/13

10:56 pm-7:47 pm

1 stop20h 51m

$424

BismarckChicago

BIS - ORD

BISORD

Bismarck

Mon 11/24

5:45 am-5:03 pm

2 stops11h 18m

Chicago O'Hare Intl

Mon 12/15

3:49 pm-12:54 pm

2 stops21h 05m

$467

BismarckSt. Louis

BIS - STL

BISSTL

Bismarck

Fri 10/10

1:58 pm-8:46 pm

1 stop6h 48m

Lambert-St Louis

Sun 10/19

5:28 pm-1:00 pm

2 stops19h 32m

$821

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Illinois from

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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Bismarck is in February. Flight prices, which tend to average around $248, 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 February, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $259.

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

The cheapest day to depart from Bismarck to Illinois is on a Saturday when prices can be found for as low as $368. 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 in the afternoon. Flights from Bismarck to Illinois during this time can be as low as $385. Flights in the morning are often more expensive with an average ticket price of $418.

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 71% 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

$306

Fastest flight time

2h 07m

Direct flights

Every day

Airports in Illinois

1 airport
The best one-way flight to Illinois from Bismarck in the past 72 hours is $306. The best round-trip flight deal from Bismarck to Illinois found on momondo in the last 72 hours is $334.
The fastest flight from Bismarck to Illinois takes 2h 07m
Direct flights go from Bismarck to Illinois every day.
There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)
Search flight deals

  • 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?

  • 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?

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
DeltaPriceFrom $218Free CancellationRating
7.9
7,963 reviews
Search Delta flights
American AirlinesPriceFrom $240Free CancellationRating
7.2
10,000 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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/10
Fri 10/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $49
Flights to Los Angelesfrom $49
Flights to Miamifrom $51
Flights to Chicagofrom $49
Flights to Orlandofrom $51
Flights to Las Vegasfrom $49
Flights to San Franciscofrom $51
Flights to Washington, D.C.from $51
Flights to Bostonfrom $60
Flights to Atlantafrom $51
Flights to Dallasfrom $63
Flights to Seattlefrom $78