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.

$754 CHEAP FLIGHTS from Illinois to Adelaide

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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

Tue, Sep 22 - Mon, Nov 16

7:48 pm - 6:10 pmORD Chicago O'Hare Intl-ADL Adelaide

31h 52m2 stops Vancouver Intl Brisbane

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

24h 57m2 stops Brisbane Vancouver Intl

$1,272Air Canada

Tue, Sep 22 - Mon, Nov 23

7:48 pm - 6:10 pmORD Chicago O'Hare Intl-ADL Adelaide

31h 52m2 stops Vancouver Intl Brisbane

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

30h 19m2 stops Brisbane Vancouver Intl

$1,272Air Canada

Tue, Sep 22 - Mon, Nov 16

7:48 pm - 6:10 pmORD Chicago O'Hare Intl-ADL Adelaide

31h 52m2 stops Vancouver Intl Brisbane

6:00 am - 8:48 pmADL Adelaide-ORD Chicago O'Hare Intl

31h 18m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,284Air Canada

Sat, Oct 24 - Sat, Oct 31

3:40 pm - 10:30 pmORD Chicago O'Hare Intl-ADL Adelaide

39h 20m2 stops Vancouver Intl Brisbane

6:10 am - 8:01 pmADL Adelaide-ORD Chicago O'Hare Intl

29h 21m2 stops Brisbane Vancouver Intl

$1,305Air Canada

Tue, Sep 22 - Mon, Nov 23

7:48 pm - 6:10 pmORD Chicago O'Hare Intl-ADL Adelaide

31h 52m2 stops Vancouver Intl Brisbane

6:00 am - 7:58 pmADL Adelaide-ORD Chicago O'Hare Intl

30h 28m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,319Air Canada

Mon, Oct 19 - Mon, Nov 9

3:40 pm - 1:55 pmORD Chicago O'Hare Intl-ADL Adelaide

30h 45m2 stops Vancouver Intl Sydney Kingsford Smith

6:00 am - 2:37 pmADL Adelaide-ORD Chicago O'Hare Intl

25h 07m2 stops Sydney Kingsford Smith Vancouver Intl

$1,321Multiple Airlines

Mon, Oct 19 - Mon, Nov 9

3:40 pm - 1:55 pmORD Chicago O'Hare Intl-ADL Adelaide

30h 45m2 stops Vancouver Intl Sydney Kingsford Smith

6:00 am - 2:37 pmADL Adelaide-ORD Chicago O'Hare Intl

25h 07m2 stops Sydney Kingsford Smith Vancouver Intl

$1,322Multiple Airlines

Mon, Oct 19 - Mon, Nov 9

3:40 pm - 7:25 pmORD Chicago O'Hare Intl-ADL Adelaide

36h 15m2 stops Vancouver Intl Sydney Kingsford Smith

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

24h 57m2 stops Brisbane Vancouver Intl

$1,322Air Canada

Mon, Oct 19 - Tue, Nov 10

3:40 pm - 7:25 pmORD Chicago O'Hare Intl-ADL Adelaide

36h 15m2 stops Vancouver Intl Sydney Kingsford Smith

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

24h 57m2 stops Brisbane Vancouver Intl

$1,322Air Canada

Mon, Oct 19 - Mon, Nov 9

3:40 pm - 1:55 pmORD Chicago O'Hare Intl-ADL Adelaide

30h 45m2 stops Vancouver Intl Sydney Kingsford Smith

6:00 am - 7:05 pmADL Adelaide-ORD Chicago O'Hare Intl

29h 35m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,329Multiple Airlines

Useful Info

Low season	February
High season	December
Cheapest flight	$754

Best time to beat the crowds with an average 24% drop in price.

Most popular time to fly with an average 28% increase in price.

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.