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

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 Adelaide.

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

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

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 Adelaide 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 Adelaide?

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 Adelaide from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$1,332 CHEAP FLIGHTS from Illinois to Adelaide

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Flight Deals

Cheap Flights from Illinois to Adelaide

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Illinois to Adelaide

Mon, Mar 8 - Wed, Mar 17

6:50 pm - 5:05 pmORD Chicago O'Hare Intl-ADL Adelaide

29h 45m1 stop Doha Hamad Intl

7:50 pm - 3:30 pmADL Adelaide-ORD Chicago O'Hare Intl

35h 10m2 stops Melbourne Doha Hamad Intl

$1,370Qatar Airways

Tue, Nov 3 - Tue, Nov 10

3:30 pm - 2:05 pmORD Chicago O'Hare Intl-ADL Adelaide

30h 05m2 stops Vancouver Intl Sydney Kingsford Smith

6:10 am - 7:59 pmADL Adelaide-ORD Chicago O'Hare Intl

30h 19m2 stops Brisbane Vancouver Intl

$1,383Multiple Airlines

Tue, Nov 3 - Tue, Nov 10

6:50 pm - 10:00 amORD Chicago O'Hare Intl-ADL Adelaide

46h 40m2 stops Doha Hamad Intl Melbourne

10:00 pm - 2:30 pmADL Adelaide-ORD Chicago O'Hare Intl

33h 00m1 stop Doha Hamad Intl

$1,383Qatar Airways

Wed, Nov 4 - Wed, Nov 11

3:30 pm - 2:05 pmORD Chicago O'Hare Intl-ADL Adelaide

30h 05m2 stops Vancouver Intl Sydney Kingsford Smith

6:10 am - 2:37 pmADL Adelaide-ORD Chicago O'Hare Intl

24h 57m2 stops Brisbane Vancouver Intl

$1,383Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

3:30 pm - 12:35 pmORD Chicago O'Hare Intl-ADL Adelaide

29h 35m2 stops Vancouver Intl Sydney Kingsford Smith

6:10 am - 7:59 pmADL Adelaide-ORD Chicago O'Hare Intl

30h 19m2 stops Brisbane Vancouver Intl

$1,383Multiple Airlines

Mon, Oct 26 - Mon, Nov 2

3:30 pm - 6:10 pmORD Chicago O'Hare Intl-ADL Adelaide

35h 10m2 stops Vancouver Intl Sydney Kingsford Smith

6:10 am - 7:59 pmADL Adelaide-ORD Chicago O'Hare Intl

30h 19m2 stops Brisbane Vancouver Intl

$1,386Air Canada

Tue, Oct 27 - Wed, Nov 4

3:30 pm - 6:10 pmORD Chicago O'Hare Intl-ADL Adelaide

35h 10m2 stops Vancouver Intl Sydney Kingsford Smith

6:10 am - 7:59 pmADL Adelaide-ORD Chicago O'Hare Intl

30h 19m2 stops Brisbane Vancouver Intl

$1,386Air Canada

Mon, Mar 8 - Wed, Mar 17

3:40 pm - 7:10 pmORD Chicago O'Hare Intl-ADL Adelaide

35h 00m2 stops Vancouver Intl Sydney Kingsford Smith

6:10 am - 2:35 pmADL Adelaide-ORD Chicago O'Hare Intl

23h 55m2 stops Brisbane Vancouver Intl

$1,386Air Canada

Fri, Jan 22 - Sun, Jan 31

8:17 pm - 9:30 amORD Chicago O'Hare Intl-ADL Adelaide

44h 43m2 stops Los Angeles San Francisco

7:55 pm - 12:49 pmADL Adelaide-ORD Chicago O'Hare Intl

33h 24m2 stops Sydney Kingsford Smith Houston George Bush Intcntl

$1,468United Airlines

Mon, Oct 12 - Tue, Oct 20

4:40 pm - 12:10 pmORD Chicago O'Hare Intl-ADL Adelaide

28h 00m2 stops San Francisco Brisbane

6:10 am - 11:00 pmADL Adelaide-ORD Chicago O'Hare Intl

32h 20m2 stops Brisbane San Francisco

$1,836United Airlines

Useful Info

Low season	February
High season	April
Cheapest flight	$1,332

Best time to beat the crowds with an average 32% drop in price.

Most popular time to fly and prices are also 6% lower on average.

Flight from Chicago to Adelaide

How does KAYAK find such low prices on flights from Illinois to Adelaide?
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 Adelaide.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Adelaide?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Adelaide 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 Adelaide?
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 Adelaide 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 Adelaide?
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 Adelaide from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.