ORD

$59 Find Cheap Flights from Illinois to Chicago O'Hare Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago departing on 7/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Illinois to Chicago

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Chicago that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Chicago

Fri, Jul 24 - Sun, Jul 26
Contour Logo
9:10 am - 10:35 am
BRL
-
ORD
1h 25mnonstop
Contour Logo
12:15 pm - 1:35 pm
ORD
-
BRL
1h 20mnonstop
$98Contour
Thu, Aug 13 - Thu, Aug 20
Contour Logo
9:55 am - 11:40 am
UIN
-
ORD
1h 45mnonstop
Contour Logo
12:30 pm - 1:55 pm
ORD
-
UIN
1h 25mnonstop
$100Contour
Fri, Aug 21 - Sun, Aug 23
United Airlines Logo
7:20 pm - 8:37 pm
DEC
-
ORD
1h 17mnonstop
United Airlines Logo
4:45 pm - 5:59 pm
ORD
-
DEC
1h 14mnonstop
$149United Airlines
Thu, Sep 3 - Sun, Sep 6
United Airlines Logo
7:20 pm - 8:37 pm
DEC
-
ORD
1h 17mnonstop
United Airlines Logo
4:45 pm - 5:59 pm
ORD
-
DEC
1h 14mnonstop
$159United Airlines
Tue, Aug 11 - Tue, Aug 18
Frontier Logo
6:34 pm - 7:53 pm
STL
-
ORD
25h 19m
1 stop
Frontier Logo
9:20 am - 4:16 pm
ORD
-
STL
6h 56m
1 stop
$181Frontier
Tue, Aug 11 - Tue, Aug 18
Frontier Logo
6:34 pm - 7:53 pm
STL
-
ORD
25h 19m
1 stop
Frontier Logo
9:20 am - 4:16 pm
ORD
-
STL
6h 56m
1 stop
$182Frontier
Thu, Sep 17 - Thu, Sep 24
American Airlines Logo
6:00 am - 7:19 am
PIA
-
ORD
1h 19mnonstop
American Airlines Logo
11:00 pm - 12:08 am
ORD
-
PIA
1h 08mnonstop
$239American Airlines
Thu, Jul 30 - Sun, Aug 2
American Airlines Logo
9:50 am - 11:00 am
PIA
-
ORD
1h 10mnonstop
American Airlines Logo
5:29 pm - 6:42 pm
ORD
-
PIA
1h 13mnonstop
$240American Airlines
Sun, Aug 23 - Tue, Sep 15
Multiple Airlines Logo
1:06 pm - 7:02 pm
MLI
-
ORD
29h 56m
1 stop
Multiple Airlines Logo
10:40 pm - 12:23 pm
ORD
-
MLI
37h 43m
2 stops
$270Multiple Airlines
Wed, Aug 5 - Wed, Aug 12
Multiple Airlines Logo
5:57 pm - 7:53 pm
MLI
-
ORD
25h 56m
2 stops
Multiple Airlines Logo
7:29 am - 11:41 am
ORD
-
MLI
28h 12m
1 stop
$272Multiple Airlines
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Good to know

Low seasonJanuary
Cheapest flight$59
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from Burlington to Chicago

FAQs for booking Illinois to Chicago O'Hare Airport flights

  • How does KAYAK find such low prices on flights from Illinois to Chicago O'Hare Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Chicago O'Hare Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Chicago O'Hare Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Chicago

Information on your arrival and departure airports

Chicago O'Hare Airport (ORD)