$981 Find Cheap Flights from Adelaide to Illinois

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Adelaide to Illinois departing on 1/19. 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
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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

Mon, Jan 19 - Mon, Jan 26
Multiple Airlines Logo
10:55 am - 2:41 pm
ADL
-
ORD
44h 16m2 stops
Multiple Airlines Logo
3:35 pm - 10:10 am
ORD
-
ADL
50h 05m2 stops
$981Multiple Airlines
Mon, Jan 19 - Mon, Jan 26
Multiple Airlines Logo
6:00 am - 7:45 pm
ADL
-
ORD
30h 15m3 stops
Multiple Airlines Logo
3:35 pm - 3:25 pm
ORD
-
ADL
31h 20m2 stops
$1,007Multiple Airlines
Thu, Feb 5 - Mon, Feb 9
Air Canada Logo
6:10 am - 4:42 pm
ADL
-
ORD
27h 02m2 stops
Air Canada Logo
3:35 pm - 10:30 pm
ORD
-
ADL
38h 25m2 stops
$1,009Air Canada
Mon, Jan 19 - Mon, Jan 26
United Airlines Logo
2:55 pm - 8:05 pm
ADL
-
ORD
21h 40m1 stop
United Airlines Logo
9:01 am - 9:30 am
ORD
-
ADL
31h 59m2 stops
$1,012United Airlines
Thu, Feb 5 - Mon, Feb 9
Air Canada Logo
6:10 am - 4:42 pm
ADL
-
ORD
27h 02m2 stops
Air Canada Logo
10:00 am - 7:10 pm
ORD
-
ADL
40h 40m3 stops
$1,016Air Canada
Mon, Jan 19 - Mon, Jan 26
Virgin Australia Logo
2:55 pm - 8:05 pm
ADL
-
ORD
21h 40m1 stop
Virgin Australia Logo
6:29 pm - 9:30 am
ORD
-
ADL
22h 31m1 stop
$1,261Virgin Australia
Thu, Feb 5 - Mon, Feb 9
Air Canada Logo
6:00 am - 10:05 pm
ADL
-
ORD
32h 35m3 stops
Air Canada Logo
2:00 pm - 1:55 pm
ORD
-
ADL
31h 25m3 stops
$1,324Air Canada
Tue, Jun 2 - Tue, Jul 28
American Airlines Logo
12:40 pm - 3:44 pm
ADL
-
ORD
41h 34m2 stops
American Airlines Logo
5:51 pm - 9:25 am
ORD
-
ADL
25h 04m2 stops
$1,464American Airlines
Wed, Feb 18 - Sun, Feb 22
Air Canada Logo
6:00 am - 7:45 pm
ADL
-
ORD
30h 15m3 stops
Air Canada Logo
8:00 am - 1:55 pm
ORD
-
ADL
37h 25m3 stops
$1,522Air Canada
Wed, Feb 18 - Sun, Feb 22
Air Canada Logo
7:55 pm - 7:45 pm
ADL
-
ORD
40h 20m3 stops
Air Canada Logo
2:00 pm - 1:55 pm
ORD
-
ADL
31h 25m3 stops
$1,529Air 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.

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 March, when tickets cost $995 (return) on average. On the other hand, the most expensive months are December and November, when the average cost of round-trip tickets is $1,663 and $1,627 respectively.

Find deals

Good to know

Low seasonMarch
Cheapest flight$981
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly and prices are also 22% 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.

  • What is the cheapest time of day to fly to Illinois?

    The cheapest time of day to fly to Illinois is generally in the morning, when round-trip flights cost $1,334 on average. The most expensive time of day to fly to Illinois is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,334.

Everything you need to know for your flight from Adelaide to Illinois

Information on your arrival and departure airports

Adelaide (ADL)