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Cheap flights from Illinois to Chicago from $57

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 Chicago departing on 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to Chicago

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois to Chicago that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to Chicago.

Cheap last minute flights

Planning a quick getaway from Illinois to Chicago? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Chicago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Illinois to Chicago

Find recent round-trip train or bus tickets from Illinois to Chicago.

All round-trip flight deals to Chicago

The cheapest plane tickets to Chicago found on KAYAK recently.
12:15 pm - 7:40 amSTL-ORD
19h 25m1 stop
8:20 pm - 11:45 amORD-STL
15h 25m1 stop
$105Southern / Mokulele
Find Deal
Thu, Apr 10 - Mon, Apr 14
5:00 pm - 7:40 amSTL-ORD
14h 40m1 stop
8:20 pm - 7:55 pmORD-STL
23h 35m1 stop
$107Southern / Mokulele
Find Deal
Mon, Dec 9 - Thu, Dec 12
5:02 pm - 1:54 pmSTL-MDW
20h 52m1 stop
11:33 am - 11:24 pmMDW-STL
11h 51m1 stop
$128Frontier
Find Deal
Thu, Dec 5 - Mon, Dec 9
5:45 am - 7:12 amSTL-ORD
1h 27mnonstop
10:00 am - 11:26 amORD-STL
1h 26mnonstop
$136American Airlines
Find Deal
Wed, Dec 11 - Wed, Dec 18
5:40 pm - 6:55 pmSTL-ORD
1h 15mnonstop
10:50 am - 12:19 pmORD-STL
1h 29mnonstop
$137United Airlines
Find Deal
Wed, Dec 11 - Wed, Dec 18
3:34 pm - 9:02 pmSTL-MDW
5h 28m1 stop
12:58 pm - 11:28 pmMDW-STL
10h 30m1 stop
$138Frontier
Find Deal
Fri, Dec 13 - Thu, Dec 19
11:35 am - 12:43 pmDEC-ORD
1h 08mnonstop
1:30 pm - 2:33 pmORD-DEC
1h 03mnonstop
$148United Airlines
Find Deal
Mon, Dec 9 - Sun, Dec 15
5:45 am - 7:12 amSTL-ORD
1h 27mnonstop
8:45 pm - 10:05 pmORD-STL
1h 20mnonstop
$152American Airlines
Find Deal
Mon, Dec 9 - Wed, Dec 11
10:40 am - 11:50 amSTL-MDW
1h 10mnonstop
5:00 pm - 6:15 pmMDW-STL
1h 15mnonstop
$153Southwest
Find Deal
Mon, Dec 9 - Wed, Dec 11
10:40 am - 11:50 amSTL-MDW
1h 10mnonstop
11:55 am - 5:15 pmMDW-STL
5h 20m1 stop
$162Southwest
Find Deal
Mon, Dec 9 - Wed, Dec 11
12:15 pm - 3:50 pmSTL-ORD
3h 35m1 stop
$57Southern / Mokulele
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Sun, Jan 19
11:31 am - 9:02 pmSTL-MDW
9h 31m1 stop
$60Frontier
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Mon, Dec 9
4:05 pm - 5:15 pmSTL-MDW
1h 10mnonstop
$69Southwest
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Tue, Dec 17
5:40 pm - 6:55 pmSTL-ORD
1h 15mnonstop
$69United Airlines
Find Deal
Wed, Dec 18
11:05 am - 3:55 pmSTL-MDW
4h 50m1 stop
$78Southwest
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Tue, Dec 17
6:30 am - 7:59 amSTL-ORD
1h 29mnonstop
$84United Airlines
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Mon, Dec 16
6:30 am - 12:50 pmSTL-MDW
6h 20m1 stop
$88Delta
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Wed, Dec 11
10:13 am - 4:40 pmSTL-ORD
6h 27m1 stop
$88Delta
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Wed, Dec 25
4:40 pm - 5:53 pmPIA-ORD
1h 13mnonstop
$95American Airlines
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Fri, Dec 6
2:52 pm - 3:59 pmSPI-ORD
1h 07mnonstop
$125American Airlines
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Thu, Nov 21
1:00 pm - 7:25 amSTL-ORD
18h 25m1 stop
8:15 am - 4:45 pmORD-STL
8h 30m1 stop
$182Southern / Mokulele
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Tue, Nov 19 - Thu, Dec 12
9:20 am - 4:32 pmSTL-ORD
7h 12m1 stop
9:25 pm - 11:30 amORD-STL
14h 05m1 stop
$183Southern / Mokulele
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Mon, Nov 18 - Tue, Dec 31
3:55 pm - 4:50 pmDBQ-ORD
0h 55mnonstop
2:30 pm - 3:25 pmORD-DBQ
0h 55mnonstop
$218Denver Air Connection
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Fri, Nov 15 - Mon, Nov 18
10:00 am - 11:57 amUIN-ORD
1h 57mnonstop
8:20 pm - 2:00 pmORD-UIN
17h 40m2 stops
$227Southern / Mokulele
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Sat, Nov 16 - Mon, Nov 18
4:10 pm - 8:26 pmSTL-ORD
28h 16m3 stops
9:25 pm - 4:45 pmORD-STL
19h 20m1 stop
Tue, Nov 19 - Thu, Dec 12
5:29 pm - 9:35 amSTL-ORD
16h 06m1 stop
8:04 pm - 4:26 pmORD-STL
20h 22m2 stops
$294Spirit Airlines
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Tue, Nov 19 - Wed, Nov 20
6:30 am - 7:38 amMLI-ORD
1h 08mnonstop
9:10 am - 10:22 amORD-MLI
1h 12mnonstop
$299United Airlines
Find Deal
Fri, Nov 15 - Sat, Dec 7
5:29 pm - 12:52 pmSTL-ORD
19h 23m2 stops
8:04 pm - 4:26 pmORD-STL
20h 22m2 stops
$304Spirit Airlines
Find Deal
Tue, Nov 19 - Wed, Nov 20
1:00 pm - 4:32 pmSTL-ORD
3h 32m1 stop
10:13 pm - 4:34 pmORD-STL
18h 21m2 stops
Mon, Nov 18 - Mon, Nov 18
5:46 pm - 6:55 pmMLI-ORD
1h 09mnonstop
8:00 pm - 9:07 pmORD-MLI
1h 07mnonstop
$309United Airlines
Find Deal
Fri, Nov 15 - Wed, Nov 20
5:40 am - 7:37 amUIN-ORD
1h 57mnonstop
5:10 pm - 7:05 pmORD-UIN
1h 55mnonstop
$107Southern / Mokulele
Find Deal
Fri, Dec 6 - Thu, Dec 12
10:00 am - 11:57 amUIN-ORD
1h 57mnonstop
7:05 am - 9:00 amORD-UIN
1h 55mnonstop
$108Southern / Mokulele
Find Deal
Wed, Dec 11 - Wed, Dec 18
5:45 am - 7:12 amSTL-ORD
1h 27mnonstop
10:00 am - 11:26 amORD-STL
1h 26mnonstop
$136American Airlines
Find Deal
Wed, Dec 11 - Wed, Dec 18
5:40 pm - 6:55 pmSTL-ORD
1h 15mnonstop
10:50 am - 12:19 pmORD-STL
1h 29mnonstop
$137United Airlines
Find Deal
Wed, Dec 11 - Wed, Dec 18
10:40 am - 11:50 amSTL-MDW
1h 10mnonstop
7:25 pm - 8:40 pmMDW-STL
1h 15mnonstop
$138Southwest
Find Deal
Tue, Dec 10 - Wed, Dec 11
11:35 am - 12:43 pmDEC-ORD
1h 08mnonstop
7:45 am - 8:48 amORD-DEC
1h 03mnonstop
$148United Airlines
Find Deal
Mon, Dec 9 - Sun, Dec 15
5:45 am - 7:12 amSTL-ORD
1h 27mnonstop
8:45 pm - 10:05 pmORD-STL
1h 20mnonstop
$152American Airlines
Find Deal
Mon, Dec 9 - Wed, Dec 11
10:40 am - 11:50 amSTL-MDW
1h 10mnonstop
5:00 pm - 6:15 pmMDW-STL
1h 15mnonstop
$153Southwest
Find Deal
Mon, Dec 9 - Wed, Dec 11
3:55 pm - 4:50 pmDBQ-ORD
0h 55mnonstop
2:30 pm - 3:25 pmORD-DBQ
0h 55mnonstop
$195Denver Air Connection
Find Deal
Fri, Dec 27 - Mon, Dec 30
3:55 pm - 4:50 pmDBQ-ORD
0h 55mnonstop
2:30 pm - 3:25 pmORD-DBQ
0h 55mnonstop
$213Denver Air Connection
Find Deal
Sun, Dec 1 - Mon, Dec 2

American Airlines flights from Illinois to Chicago

Our best American Airlines deals on Illinois to Chicago flight tickets
American Airlines
Dec 11
STL5:45 amLambert-St Louis
1h 27m
ORD7:12 amChicago O'Hare Intl
Dec 18
ORD10:00 amChicago O'Hare Intl
1h 26m
STL11:26 amLambert-St Louis
American Airlines
Dec 9
STL5:45 amLambert-St Louis
1h 27m
ORD7:12 amChicago O'Hare Intl
Dec 11
ORD8:45 pmChicago O'Hare Intl
1h 20m
STL10:05 pmLambert-St Louis
American Airlines
Dec 9
STL11:00 amLambert-St Louis
1h 26m
ORD12:26 pmChicago O'Hare Intl
Dec 12
ORD8:20 amChicago O'Hare Intl
1h 25m
STL9:45 amLambert-St Louis

Delta flights from Illinois to Chicago

Our best Delta deals on Illinois to Chicago flight tickets
Delta
Jan 7
STL6:00 amLambert-St Louis
6h 46m
1 stop
MDW12:46 pmChicago Midway
Jan 7
MDW6:59 pmChicago Midway
4h 15m
1 stop
STL11:14 pmLambert-St Louis
Delta
Dec 11
STL10:21 amLambert-St Louis
4h 17m
1 stop
ORD2:38 pmChicago O'Hare Intl
Dec 18
ORD7:05 amChicago O'Hare Intl
6h 19m
1 stop
STL1:24 pmLambert-St Louis
Delta
Jan 7
STL6:00 amLambert-St Louis
7h 08m
2 stops
MDW1:08 pmChicago Midway
Jan 7
MDW6:59 pmChicago Midway
4h 15m
1 stop
STL11:14 pmLambert-St Louis

How to get the cheapest flight ticket from Illinois to Chicago

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 airline that flies to Chicago from Illinois?

United Airlines. United Airlines and American Airlines are the most popular carriers operating from Illinois to Chicago

What is the cheapest Illinois to Chicago flight route?

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

Can stopping save me money on Illinois to Chicago flights?

You could potentially save up to 24% on your flight if you consider stops on a Illinois to Chicago flight.

Cheap Illinois to Chicago flight deals and tips

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

Best Price Found

$57

Fastest flight time

0h 55m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from Illinois in the past 72 hours is $57. The best round-trip flight deal from Illinois to Chicago found on momondo in the last 72 hours is $105.
The fastest flight from Illinois to Chicago takes 0h 55m
Direct flights go from Illinois to Chicago every day.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

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

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

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

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

    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 Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago 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 Chicago. 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 Chicago?


Best airlines flying from Illinois to Chicago

Compare and see reviews for airlines that fly from Illinois to Chicago with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $148Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights
American AirlinesPriceFrom $178Free 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 Chicago?

It is quick and easy to find Illinois to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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

momondo does allow users to show only those flights to Chicago from Illinois which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Illinois to Chicago 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 Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago