ORD

$49 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 9/14. 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, Nov 20 - Sun, Nov 22
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
Tue, Sep 1 - Wed, Sep 16
Contour Logo
3:25 pm - 5:10 pm
UIN
-
ORD
1h 45mnonstop
Contour Logo
12:30 pm - 1:55 pm
ORD
-
UIN
1h 25mnonstop
$100Contour
Sat, Aug 15 - Wed, Aug 19
Contour Logo
9:00 am - 10:35 am
BRL
-
ORD
1h 35mnonstop
Contour Logo
5:50 pm - 7:15 pm
ORD
-
BRL
1h 25mnonstop
$100Contour
Mon, Oct 19 - Tue, Oct 20
American Airlines Logo
7:29 am - 9:00 am
STL
-
ORD
1h 31mnonstop
American Airlines Logo
9:30 am - 10:51 am
ORD
-
STL
1h 21mnonstop
$117American Airlines
Tue, Sep 1 - Thu, Sep 10
American Airlines Logo
6:00 am - 7:34 am
STL
-
ORD
1h 34mnonstop
American Airlines Logo
7:18 pm - 8:44 pm
ORD
-
STL
1h 26mnonstop
$117American Airlines
Tue, Sep 15 - Thu, Sep 17
United Airlines Logo
5:30 pm - 7:01 pm
STL
-
ORD
1h 31mnonstop
United Airlines Logo
10:25 am - 11:57 am
ORD
-
STL
1h 32mnonstop
$117United Airlines
Wed, Sep 16 - Thu, Sep 17
United Airlines Logo
8:30 am - 10:05 am
STL
-
ORD
1h 35mnonstop
United Airlines Logo
10:25 am - 11:57 am
ORD
-
STL
1h 32mnonstop
$117United Airlines
Wed, Sep 23 - Thu, Sep 24
American Airlines Logo
11:01 am - 12:29 pm
STL
-
ORD
1h 28mnonstop
American Airlines Logo
11:05 pm - 12:27 am
ORD
-
STL
1h 22mnonstop
$117American Airlines
Thu, Oct 1 - Tue, Oct 13
Frontier Logo
10:20 am - 7:35 pm
STL
-
ORD
9h 15m
1 stop
Frontier Logo
11:06 am - 7:15 pm
ORD
-
STL
8h 09m
1 stop
$135Frontier
Sat, Oct 10 - Tue, Oct 13
Frontier Logo
10:35 am - 8:28 pm
STL
-
ORD
9h 53m
1 stop
Frontier Logo
11:06 am - 7:15 pm
ORD
-
STL
8h 09m
1 stop
$135Frontier
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Good to know

Low season

January

Cheapest flight

$49
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 17% 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)