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Cheap flights from Illinois to Chicago from $49

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 3/14. 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 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.
6:33 pm - 5:01 amSTL-ORD
10h 28m1 stop
8:55 am - 11:46 pmORD-STL
14h 51m1 stop
$114Frontier
Find Deal
Sat, Apr 12 - Mon, Apr 14
8:35 pm - 9:45 pmSTL-MDW
1h 10mnonstop
4:25 pm - 5:40 pmMDW-STL
1h 15mnonstop
$117Southwest
Find Deal
Thu, Mar 6 - Mon, Mar 10
5:45 am - 7:05 amSTL-ORD
1h 20mnonstop
8:15 am - 9:37 amORD-STL
1h 22mnonstop
$117American Airlines
Find Deal
Mon, Apr 14 - Mon, Apr 28
10:17 am - 11:38 amSTL-ORD
1h 21mnonstop
10:09 pm - 11:33 pmORD-STL
1h 24mnonstop
$118American Airlines
Find Deal
Mon, Apr 14 - Mon, Apr 28
5:15 pm - 3:50 pmSTL-ORD
22h 35m1 stop
8:20 pm - 8:10 pmORD-STL
23h 50m1 stop
$126Southern / Mokulele
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Thu, Mar 20 - Thu, Mar 27
11:00 am - 12:17 pmSTL-ORD
1h 17mnonstop
8:25 am - 8:10 pmORD-STL
11h 45m1 stop
Fri, Mar 14 - Mon, Mar 17
12:15 pm - 3:50 pmSTL-ORD
3h 35m1 stop
4:30 pm - 12:04 amORD-STL
7h 34m1 stop
Mon, Apr 14 - Mon, Apr 28
12:15 pm - 7:40 amSTL-ORD
19h 25m1 stop
8:25 am - 8:10 pmORD-STL
11h 45m1 stop
$140Southern / Mokulele
Find Deal
Fri, Mar 21 - Mon, Mar 24
9:50 am - 10:55 amDEC-ORD
1h 05mnonstop
1:15 pm - 2:13 pmORD-DEC
0h 58mnonstop
$159United Airlines
Find Deal
Fri, Mar 7 - Tue, Mar 11
6:30 am - 8:01 amSTL-ORD
1h 31mnonstop
1:01 pm - 2:23 pmORD-STL
1h 22mnonstop
$163United Airlines
Find Deal
Tue, Mar 18 - Thu, Mar 20

Frontier flights from Illinois to Chicago

Our best Frontier deals on Illinois to Chicago flight tickets
Frontier
Apr 12
STL6:33 pmLambert-St Louis
10h 28m
1 stop
ORD5:01 amChicago O'Hare Intl
Apr 14
ORD8:55 amChicago O'Hare Intl
14h 51m
1 stop
STL11:46 pmLambert-St Louis
Frontier
Mar 24
STL6:55 pmLambert-St Louis
10h 36m
1 stop
MDW5:31 amChicago Midway
Apr 14
MDW1:23 pmChicago Midway
10h 23m
1 stop
STL11:46 pmLambert-St Louis
Frontier
Mar 21
STL6:55 pmLambert-St Louis
10h 36m
1 stop
MDW5:31 amChicago Midway
Apr 14
MDW1:23 pmChicago Midway
10h 23m
1 stop
STL11:46 pmLambert-St Louis

American Airlines flights from Illinois to Chicago

Our best American Airlines deals on Illinois to Chicago flight tickets
American Airlines
Apr 14
STL5:45 amLambert-St Louis
1h 20m
ORD7:05 amChicago O'Hare Intl
Apr 28
ORD8:15 amChicago O'Hare Intl
1h 22m
STL9:37 amLambert-St Louis
American Airlines
Apr 14
STL10:17 amLambert-St Louis
1h 21m
ORD11:38 amChicago O'Hare Intl
Apr 28
ORD10:09 pmChicago O'Hare Intl
1h 24m
STL11:33 pmLambert-St Louis
American Airlines
Apr 5
STL12:00 pmLambert-St Louis
1h 24m
ORD1:24 pmChicago O'Hare Intl
Apr 7
ORD10:09 pmChicago O'Hare Intl
1h 24m
STL11:33 pmLambert-St Louis

See travel insights to Chicago from

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 day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Tuesday when prices can be found for as low as $427. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Chicago for around $562.

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

Our most recent data shows that the best time of day to fly to Chicago is at noon. Flights from Illinois to Chicago during this time can be as low as $434. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $468.

What is the cheapest Illinois to Chicago flight route?

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

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

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

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

$49

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 $49. The best round-trip flight deal from Illinois to Chicago found on momondo in the last 72 hours is $114.
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 $178Free CancellationRating
7.4
8,766 reviews
Search United Airlines flights
American AirlinesPriceFrom $179Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Hammond
New Buffalo
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Munster
Crown Point
Schererville
Monticello
Chesterton
Porter
Griffith
Saint John

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