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Cheap flights from Illinois to Chicago from $59

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Contour Logo
9:55 am - 11:40 amUIN  Quincy Regional-ORD Chicago O'Hare Intl
1h 45mnonstop
Contour Logo
12:30 pm - 1:55 pmORD  Chicago O'Hare Intl-UIN Quincy Regional
1h 25mnonstop
$103Contour
Fri, Oct 9 - Fri, Oct 16
Contour Logo
9:55 am - 11:40 amUIN  Quincy Regional-ORD Chicago O'Hare Intl
1h 45mnonstop
Contour Logo
12:30 pm - 1:55 pmORD  Chicago O'Hare Intl-UIN Quincy Regional
1h 25mnonstop
$104Contour
Fri, Oct 9 - Sun, Oct 11
Contour Logo
9:55 am - 11:40 amUIN  Quincy Regional-ORD Chicago O'Hare Intl
1h 45mnonstop
Contour Logo
12:30 pm - 1:55 pmORD  Chicago O'Hare Intl-UIN Quincy Regional
1h 25mnonstop
$104Contour
Wed, Sep 23 - Sun, Sep 27
American Airlines Logo
7:29 am - 9:00 amSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
1h 31mnonstop
American Airlines Logo
11:05 am - 12:35 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
1h 30mnonstop
$117American Airlines
Thu, Oct 8 - Sat, Oct 24
American Airlines Logo
5:00 am - 6:26 amSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
1h 26mnonstop
American Airlines Logo
9:29 am - 10:50 amORD  Chicago O'Hare Intl-STL Lambert-St Louis
1h 21mnonstop
$117American Airlines
Sat, Oct 10 - Mon, Oct 12
United Airlines Logo
8:00 am - 9:31 amSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
1h 31mnonstop
United Airlines Logo
2:12 pm - 3:43 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
1h 31mnonstop
$117United Airlines
Thu, Oct 22 - Sat, Oct 24
United Airlines Logo
8:00 am - 9:31 amSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
1h 31mnonstop
United Airlines Logo
7:50 pm - 9:21 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
1h 31mnonstop
$117United Airlines
Wed, Sep 30 - Wed, Sep 30
American Airlines Logo
5:29 pm - 7:05 pmSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
1h 36mnonstop
American Airlines Logo
9:30 am - 10:53 amORD  Chicago O'Hare Intl-STL Lambert-St Louis
1h 23mnonstop
$117American Airlines
Mon, Nov 9 - Tue, Nov 10
Frontier Logo
5:53 pm - 12:26 amSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
6h 33m1 stop Dallas/Fort Worth
Frontier Logo
7:15 am - 5:40 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
10h 25m1 stop Atlanta Hartsfield-Jackson
$118Frontier
Thu, Oct 22 - Wed, Oct 28
Frontier Logo
2:29 pm - 6:23 pmSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
27h 54m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:28 pm - 1:10 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
17h 42m1 stop Atlanta Hartsfield-Jackson
$135Frontier
Fri, Oct 2 - Tue, Oct 6

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American Airlines flights from Illinois to Chicago O'Hare Intl Airport

Our best American Airlines deals on Illinois to Chicago O'Hare Intl Airport flight tickets
American Airlines
Oct 1
STL7:27 amLambert-St Louis
1h 38m
ORD9:05 amChicago O'Hare Intl
Oct 5
ORD7:34 pmChicago O'Hare Intl
1h 23m
STL8:57 pmLambert-St Louis
$118
American Airlines
Oct 2
STL5:00 amLambert-St Louis
1h 29m
ORD6:29 amChicago O'Hare Intl
Oct 6
ORD9:29 amChicago O'Hare Intl
1h 21m
STL10:50 amLambert-St Louis
$144
American Airlines
Oct 23
STL5:00 amLambert-St Louis
1h 26m
ORD6:26 amChicago O'Hare Intl
Oct 30
ORD11:00 pmChicago O'Hare Intl
1h 19m
STL12:19 amLambert-St Louis
$171

Delta flights from Illinois to Chicago O'Hare Intl Airport

Our best Delta deals on Illinois to Chicago O'Hare Intl Airport flight tickets
Delta
Oct 1
STL1:55 pmLambert-St Louis
6h 35m
1 stop
ORD8:30 pmChicago O'Hare Intl
Oct 13
ORD7:00 amChicago O'Hare Intl
6h 53m
1 stop
STL1:53 pmLambert-St Louis
$157
Delta
Oct 7
STL2:38 pmLambert-St Louis
5h 52m
1 stop
ORD8:30 pmChicago O'Hare Intl
Oct 9
ORD5:30 pmChicago O'Hare Intl
5h 51m
1 stop
STL11:21 pmLambert-St Louis
$174
Delta
Oct 1
STL1:55 pmLambert-St Louis
6h 35m
1 stop
ORD8:30 pmChicago O'Hare Intl
Oct 6
ORD8:29 amChicago O'Hare Intl
5h 24m
1 stop
STL1:53 pmLambert-St Louis
$177

momondo Fare Finder

 
Use the filters below to find and compare flights from Illinois to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

QuincyChicago

UIN Quincy Regional - ORD Chicago O'Hare Intl

UINORD

Quincy Regional

Fri 10/9

9:55 am-11:40 am

Nonstop1h 45m

Chicago O'Hare Intl

Fri 10/16

12:30 pm-1:55 pm

Nonstop1h 25m

$103

QuincyChicago

UIN Quincy Regional - ORD Chicago O'Hare Intl

UINORD

Quincy Regional

Fri 10/9

9:55 am-11:40 am

Nonstop1h 45m

Chicago O'Hare Intl

Sun 10/11

12:30 pm-1:55 pm

Nonstop1h 25m

$104

QuincyChicago

UIN Quincy Regional - ORD Chicago O'Hare Intl

UINORD

Quincy Regional

Wed 9/23

9:55 am-11:40 am

Nonstop1h 45m

Chicago O'Hare Intl

Sun 9/27

12:30 pm-1:55 pm

Nonstop1h 25m

$104

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Thu 10/8

7:29 am-9:00 am

Nonstop1h 31m

Chicago O'Hare Intl

Sat 10/24

11:05 am-12:35 pm

Nonstop1h 30m

$117
Quickest round-trip

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Sat 10/10

5:00 am-6:26 am

Nonstop1h 26m

Chicago O'Hare Intl

Mon 10/12

9:29 am-10:50 am

Nonstop1h 21m

$117

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Thu 10/22

8:00 am-9:31 am

Nonstop1h 31m

Chicago O'Hare Intl

Sat 10/24

2:12 pm-3:43 pm

Nonstop1h 31m

$117

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Wed 9/30

8:00 am-9:31 am

Nonstop1h 31m

Chicago O'Hare Intl

Wed 9/30

7:50 pm-9:21 pm

Nonstop1h 31m

$117

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Mon 11/9

5:29 pm-7:05 pm

Nonstop1h 36m

Chicago O'Hare Intl

Tue 11/10

9:30 am-10:53 am

Nonstop1h 23m

$117

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Thu 10/22

5:53 pm-12:26 am

1 stop6h 33m

Chicago O'Hare Intl

Wed 10/28

7:15 am-5:40 pm

1 stop10h 25m

$118

St. LouisChicago

STL Lambert-St Louis - ORD Chicago O'Hare Intl

STLORD

Lambert-St Louis

Fri 10/2

2:29 pm-6:23 pm

1 stop27h 54m

Chicago O'Hare Intl

Tue 10/6

7:28 pm-1:10 pm

1 stop17h 42m

$135

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 Chicago from

How to get the cheapest flight ticket from Illinois to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of December is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Illinois averaging around $204.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $394. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $615.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Illinois in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $404 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $463. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Illinois to Chicago O'Hare Intl flight route?

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

What cabin class options are available on Illinois to Chicago O'Hare Intl Airport flights?

There are 4 cabin classes available to choose from on Illinois to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Chicago O'Hare Intl Airport

Best Price Found

$59

Fastest flight time

0h 50m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Illinois in the past 72 hours is $59. The best round-trip flight deal from Illinois to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $103.
The fastest flight from Illinois to Chicago O'Hare Intl Airport takes 0h 50m
Direct flights go from Illinois to Chicago O'Hare Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Illinois to Chicago O'Hare Intl Airport

  • When did momondo last update prices for flights from Illinois to Chicago O'Hare Intl Airport?

    Prices for flights from Illinois to Chicago O'Hare Intl Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Illinois to Chicago O'Hare Intl Airport?

    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 Illinois to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport. 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 Illinois to Chicago O'Hare Intl Airport?

Best airlines flying from Illinois to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Illinois to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $179Free CancellationRating
7.4
10,207 reviews
Search United Airlines flights
American AirlinesPriceFrom $179Free CancellationRating
7.1
12,051 reviews
Search American Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
Merrillville
Rockford
South Haven
Rosemont
Gurnee
Oak Brook
Orland Park
Joliet
Naperville
New Buffalo
Kenosha
Hammond
Racine
Aurora
Janesville
Elgin
Evanston
Skokie

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Illinois.

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

Yes. momondo allows you to filter the results for Illinois to Chicago flights to just show those with flexible booking policies.

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?

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Illinois and alert you when they change.

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