ORD

$48 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 11/11. 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 21% 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

Thu, Sep 10 - Thu, Sep 17
Contour Logo
3:35 pm - 5:10 pmBRL  Burlington-ORD Chicago O'Hare Intl
1h 35mnonstop
Contour Logo
12:20 pm - 1:45 pmORD  Chicago O'Hare Intl-BRL Burlington
1h 25mnonstop
$95Contour
Thu, Sep 10 - Thu, Sep 17
Contour Logo
3:35 pm - 5:10 pmBRL  Burlington-ORD Chicago O'Hare Intl
1h 35mnonstop
Contour Logo
12:20 pm - 1:45 pmORD  Chicago O'Hare Intl-BRL Burlington
1h 25mnonstop
$99Contour
Sat, Sep 5 - Mon, Sep 7
Contour Logo
9:00 am - 10:35 amBRL  Burlington-ORD Chicago O'Hare Intl
1h 35mnonstop
Contour Logo
5:50 pm - 7:15 pmORD  Chicago O'Hare Intl-BRL Burlington
1h 25mnonstop
$100Contour
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
5:00 am - 6:24 amSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
1h 24mnonstop
American Airlines Logo
7:00 am - 8:24 amORD  Chicago O'Hare Intl-STL Lambert-St Louis
1h 24mnonstop
$117American Airlines
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
5:13 pm - 6:52 pmSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
1h 39mnonstop
American Airlines Logo
7:00 am - 8:24 amORD  Chicago O'Hare Intl-STL Lambert-St Louis
1h 24mnonstop
$117American Airlines
Sat, Sep 5 - Sun, Sep 6
United Airlines Logo
8:30 am - 10:06 amSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
1h 36mnonstop
United Airlines Logo
9:30 pm - 10:59 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
1h 29mnonstop
$117United Airlines
Sat, Sep 5 - Sun, Sep 6
United Airlines Logo
7:25 am - 9:01 amSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
1h 36mnonstop
United Airlines Logo
10:29 am - 12:02 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
1h 33mnonstop
$117United Airlines
Fri, Sep 11 - Fri, Sep 11
American Airlines Logo
7:21 am - 8:59 amSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
1h 38mnonstop
American Airlines Logo
7:18 pm - 8:44 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
1h 26mnonstop
$117American Airlines
Thu, Oct 1 - Tue, Oct 13
Frontier Logo
10:20 am - 7:35 pmSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
9h 15m1 stop Dallas/Fort Worth
Frontier Logo
11:06 am - 7:15 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
8h 09m1 stop Denver Intl
$142Frontier
Mon, Oct 12 - Thu, Nov 12
Frontier Logo
8:10 pm - 10:01 amSTL  Lambert-St Louis-ORD Chicago O'Hare Intl
13h 51m1 stop Denver Intl
Frontier Logo
10:40 pm - 7:15 pmORD  Chicago O'Hare Intl-STL Lambert-St Louis
20h 35m1 stop Denver Intl
$142Frontier
Useful Info

Good to know

Low season

January

Cheapest flight

$48
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Quincy 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)