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Cheap flights from Chicago to Illinois from $39

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Illinois departing on 6/25. 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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0 bags

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Find the cheapest flights from Chicago to Illinois

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Chicago to Illinois.
Southwest Logo
6:20 am - 7:30 amMDW-STL
1h 10mnonstop
Southwest Logo
5:00 pm - 11:10 pmSTL-MDW
6h 10m1 stop
$87Southwest
Find Deal
Mon, May 19 - Tue, May 20
Southern / Mokulele Logo
8:20 pm - 10:00 pmORD-BRL
1h 40mnonstop
Southern / Mokulele Logo
6:00 am - 7:40 amBRL-ORD
1h 40mnonstop
$88Southern / Mokulele
Find Deal
Wed, May 28 - Wed, Jun 4
American Airlines Logo
10:30 pm - 11:51 pmORD-STL
1h 21mnonstop
American Airlines Logo
7:30 pm - 8:50 pmSTL-ORD
1h 20mnonstop
$91American Airlines
Find Deal
Wed, May 21 - Wed, May 28
American Airlines Logo
6:50 am - 8:08 amORD-STL
1h 18mnonstop
American Airlines Logo
8:05 pm - 9:29 pmSTL-ORD
1h 24mnonstop
$121American Airlines
Find Deal
Sat, Jun 7 - Tue, Jun 10
United Airlines Logo
9:20 pm - 10:48 pmORD-STL
1h 28mnonstop
United Airlines Logo
5:00 am - 6:30 amSTL-ORD
1h 30mnonstop
$137United Airlines
Find Deal
Thu, May 22 - Mon, May 26
United Airlines Logo
2:06 pm - 3:30 pmORD-STL
1h 24mnonstop
United Airlines Logo
6:30 am - 8:02 amSTL-ORD
1h 32mnonstop
$139United Airlines
Find Deal
Thu, May 22 - Thu, May 29
 Logo
5:03 pm - 11:44 pmORD-STL
6h 41m1 stop
 Logo
12:15 pm - 7:40 amSTL-ORD
19h 25m1 stop
Sat, May 24 - Sun, May 25
 Logo
4:15 pm - 12:06 amORD-STL
7h 51m1 stop
 Logo
1:00 pm - 4:32 pmSTL-ORD
3h 32m1 stop
Sat, May 10 - Mon, May 12
Contour Logo
2:10 pm - 7:15 pmORD-PAH
29h 05m2 stops
Contour Logo
7:30 am - 6:30 pmPAH-ORD
11h 00m2 stops
$365Contour
Find Deal
Sun, Jun 8 - Sun, Jun 15
Contour Logo
2:10 pm - 12:25 pmORD-PAH
46h 15m2 stops
Contour Logo
7:30 am - 6:30 pmPAH-ORD
35h 00m2 stops
$446Contour
Find Deal
Sat, Jun 7 - Sat, Jun 14

Southern / Mokulele flights from Chicago to Illinois

Our best Southern / Mokulele deals on Chicago to Illinois flight tickets
Southern / Mokulele
May 28
ORD8:20 pmChicago O'Hare Intl
1h 40m
BRL10:00 pmBurlington
Jun 4
BRL6:00 amBurlington
1h 40m
ORD7:40 amChicago O'Hare Intl
Southern / Mokulele
May 8
ORD8:20 pmChicago O'Hare Intl
1h 40m
BRL10:00 pmBurlington
May 15
BRL6:00 amBurlington
1h 40m
ORD7:40 amChicago O'Hare Intl
Southern / Mokulele
May 22
ORD8:29 amChicago O'Hare Intl
1h 20m
STL9:49 amLambert-St Louis
May 26
STL12:15 pmLambert-St Louis
19h 25m
1 stop
ORD7:40 amChicago O'Hare Intl

American Airlines flights from Chicago to Illinois

Our best American Airlines deals on Chicago to Illinois flight tickets
American Airlines
May 21
ORD10:30 pmChicago O'Hare Intl
1h 21m
STL11:51 pmLambert-St Louis
May 28
STL7:30 pmLambert-St Louis
1h 20m
ORD8:50 pmChicago O'Hare Intl
American Airlines
Jun 7
ORD6:50 amChicago O'Hare Intl
1h 18m
STL8:08 amLambert-St Louis
Jun 10
STL8:05 pmLambert-St Louis
1h 24m
ORD9:29 pmChicago O'Hare Intl
American Airlines
May 26
ORD10:30 pmChicago O'Hare Intl
1h 21m
STL11:51 pmLambert-St Louis
May 30
STL6:00 amLambert-St Louis
1h 19m
ORD7:19 amChicago O'Hare Intl

See travel insights to Illinois from

How to get the cheapest flight ticket from Chicago 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 Chicago to Illinois flight route?

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

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

There are 4 cabin classes available to choose from on Chicago to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Chicago to Illinois flight deals and tips

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

Best Price Found

$39

Fastest flight time

0h 53m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Illinois

7 airports
The best one-way flight to Illinois from Chicago in the past 72 hours is $39. The best round-trip flight deal from Chicago to Illinois found on momondo in the last 72 hours is $87.
The fastest flight from Chicago to Illinois takes 0h 53m
Direct flights go from Chicago to Illinois on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Southwest and American Airlines.
There are 7 airports near Illinois: Decatur Arpt (DEC), Greater Peoria (PIA), Lambert-St Louis (STL), Moline Quad-City (MLI), Burlington (BRL), Springfield Capital (SPI), Champaign University-Willard (CMI)

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

    Prices for flights from Chicago to Illinois were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Illinois.

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

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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


Best airlines flying from Chicago to Illinois

Compare and see reviews for airlines that fly from Chicago to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $179Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $179Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo helps you find the best flight between Chicago and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Chicago to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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