$1,006 Find Cheap Flights from Adelaide to Illinois

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Adelaide to Illinois departing on 7/4. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Adelaide to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Adelaide to Illinois, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Book Cheap Adelaide to Illinois Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Adelaide to Illinois 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 Adelaide to Illinois

Sat, Sep 26 - Sat, Oct 10
Multiple Airlines Logo
6:55 pm - 2:43 pm
ADL
-
ORD
34h 18m
2 stops
Multiple Airlines Logo
3:40 pm - 12:50 pm
ORD
-
ADL
29h 40m
2 stops
$1,778Multiple Airlines
Sat, Sep 26 - Sat, Oct 10
Multiple Airlines Logo
6:55 pm - 2:43 pm
ADL
-
ORD
34h 18m
2 stops
Multiple Airlines Logo
2:15 pm - 11:55 am
ORD
-
ADL
30h 10m
3 stops
$1,788Multiple Airlines
Mon, Jun 29 - Wed, Jul 29
Qantas Airways Logo
7:10 pm - 2:18 pm
ADL
-
ORD
33h 38m
2 stops
Qantas Airways Logo
7:08 pm - 11:05 am
ORD
-
ADL
25h 27m
2 stops
$1,953Qantas Airways
Sat, Sep 26 - Sat, Oct 10
Qatar Airways Logo
9:40 pm - 10:06 pm
ADL
-
ORD
38h 56m
2 stops
Qatar Airways Logo
7:20 pm - 4:50 pm
ORD
-
ADL
30h 00m
1 stop
$1,960Qatar Airways
Tue, Aug 25 - Thu, Oct 1
Multiple Airlines Logo
5:15 pm - 2:36 pm
ADL
-
ORD
35h 51m
2 stops
Multiple Airlines Logo
3:40 pm - 7:25 pm
ORD
-
ADL
37h 15m
2 stops
$1,970Multiple Airlines
Mon, Sep 28 - Sun, Oct 11
United Airlines Logo
6:40 am - 5:04 am
ADL
-
ORD
36h 54m
2 stops
United Airlines Logo
9:40 pm - 1:45 pm
ORD
-
ADL
48h 35m
2 stops
$1,976United Airlines
Mon, Sep 28 - Sat, Oct 10
United Airlines Logo
6:40 am - 9:20 pm
ADL
-
ORD
29h 10m
2 stops
United Airlines Logo
9:40 pm - 12:10 pm
ORD
-
ADL
47h 00m
2 stops
$1,979United Airlines
Sun, Sep 27 - Sun, Oct 11
United Airlines Logo
8:00 pm - 9:20 pm
ADL
-
ORD
39h 50m
2 stops
United Airlines Logo
9:40 pm - 1:45 pm
ORD
-
ADL
48h 35m
2 stops
$1,983United Airlines
Sun, Sep 27 - Sat, Oct 10
United Airlines Logo
8:00 pm - 4:41 pm
ADL
-
ORD
35h 11m
2 stops
United Airlines Logo
9:40 pm - 12:10 pm
ORD
-
ADL
47h 00m
2 stops
$1,986United Airlines
Sun, Sep 27 - Tue, Oct 13
Air Canada Logo
9:20 pm - 2:43 pm
ADL
-
ORD
31h 53m
2 stops
Air Canada Logo
12:59 pm - 1:55 pm
ORD
-
ADL
33h 26m
3 stops
$1,996Air Canada
Booking Insights

KAYAK's insights & trends for Adelaide to Illinois flights

Get data-powered insights and trends into flights from Adelaide to Illinois to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Adelaide to Illinois?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Adelaide to Illinois departing in September.

What is the cheapest month to fly from Adelaide to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Adelaide to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Adelaide to Illinois is February, when tickets cost $0 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $1,426 and $1,248 respectively.

Find deals

Good to know

Low seasonMay
Cheapest flight$1,006
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly and prices are also 26% lower on average.
Flight from Adelaide to Chicago

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Adelaide to Illinois?

    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 Adelaide to Illinois.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Adelaide to 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 Adelaide to Illinois?

    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 from Adelaide to Illinois with an airline and back with another airline.

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

    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 from Adelaide to 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 from Adelaide to Illinois

Information on your arrival and departure airports

Adelaide (ADL)