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 8/9. 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

Save 20% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Useful Info
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, Aug 7 - Thu, Aug 13
Contour Logo
9:00 am - 10:35 am
BRL
-
ORD
1h 35mnonstop
Contour Logo
12:20 pm - 1:45 pm
ORD
-
BRL
1h 25mnonstop
$97Contour
Fri, Aug 7 - Thu, Aug 13
Contour Logo
9:00 am - 10:35 am
BRL
-
ORD
1h 35mnonstop
Contour Logo
12:20 pm - 1:45 pm
ORD
-
BRL
1h 25mnonstop
$101Contour
Fri, Aug 14 - Fri, Aug 21
Contour Logo
3:35 pm - 5:10 pm
BRL
-
ORD
1h 35mnonstop
Contour Logo
5:50 pm - 7:15 pm
ORD
-
BRL
1h 25mnonstop
$103Contour
Thu, Aug 6 - Tue, Aug 18
United Airlines Logo
6:45 pm - 7:53 pm
DEC
-
ORD
1h 08mnonstop
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
Mon, Aug 24 - Mon, Aug 31
Frontier Logo
6:17 pm - 7:53 am
STL
-
ORD
13h 36m
1 stop
Frontier Logo
7:05 am - 5:22 pm
ORD
-
STL
10h 17m
1 stop
$184Frontier
Thu, Aug 6 - Mon, Aug 10
Delta Logo
6:30 am - 1:08 pm
STL
-
ORD
6h 38m
1 stop
Delta Logo
1:59 pm - 8:42 pm
ORD
-
STL
6h 43m
1 stop
$188Delta
Wed, Oct 14 - Mon, Oct 19
Frontier Logo
10:35 am - 12:24 am
STL
-
ORD
13h 49m
2 stops
Frontier Logo
9:33 pm - 9:40 am
ORD
-
STL
12h 07m
1 stop
$198Frontier
Fri, Aug 7 - Thu, Aug 13
American Airlines Logo
5:00 am - 6:02 am
BMI
-
ORD
1h 02mnonstop
American Airlines Logo
11:00 pm - 11:59 pm
ORD
-
BMI
0h 59mnonstop
$239American Airlines
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
Useful Info

Good to know

Low season

January

Cheapest flight

$49
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 13% 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)