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 return 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.

$1,745 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.

Return

One-way

Recent return flight deals from Illinois to Adelaide

Mon, 9 Nov - Sun, 22 Nov

15:30 - 13:55ORD Chicago O'Hare Intl-ADL Adelaide

29h 55m2 stops Vancouver Intl Sydney Kingsford Smith

06:00 - 14:37ADL Adelaide-ORD Chicago O'Hare Intl

25h 07m2 stops Sydney Kingsford Smith Vancouver Intl

$1,745Multiple Airlines

Mon, 9 Nov - Sun, 22 Nov

15:30 - 13:55ORD Chicago O'Hare Intl-ADL Adelaide

29h 55m2 stops Vancouver Intl Sydney Kingsford Smith

06:00 - 19:58ADL Adelaide-ORD Chicago O'Hare Intl

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

$1,755Multiple Airlines

Mon, 9 Nov - Sun, 22 Nov

12:50 - 13:55ORD Chicago O'Hare Intl-ADL Adelaide

32h 35m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

06:00 - 19:58ADL Adelaide-ORD Chicago O'Hare Intl

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

$1,772Air Canada

Tue, 24 Nov - Wed, 17 Mar

15:30 - 13:55ORD Chicago O'Hare Intl-ADL Adelaide

29h 55m2 stops Vancouver Intl Sydney Kingsford Smith

06:10 - 14:35ADL Adelaide-ORD Chicago O'Hare Intl

23h 55m2 stops Brisbane Vancouver Intl

$1,848Multiple Airlines

Wed, 11 Nov - Wed, 17 Mar

15:30 - 18:10ORD Chicago O'Hare Intl-ADL Adelaide

34h 10m2 stops Vancouver Intl Sydney Kingsford Smith

06:10 - 14:35ADL Adelaide-ORD Chicago O'Hare Intl

23h 55m2 stops Brisbane Vancouver Intl

$1,855Air Canada

Sat, 6 Mar - Sun, 14 Mar

15:40 - 21:00ORD Chicago O'Hare Intl-ADL Adelaide

36h 50m2 stops Vancouver Intl Brisbane

21:40 - 14:35ADL Adelaide-ORD Chicago O'Hare Intl

32h 25m2 stops Brisbane Vancouver Intl

$1,866Air Canada

Sat, 6 Mar - Sun, 14 Mar

15:40 - 21:00ORD Chicago O'Hare Intl-ADL Adelaide

36h 50m2 stops Vancouver Intl Brisbane

21:40 - 14:35ADL Adelaide-ORD Chicago O'Hare Intl

32h 25m2 stops Brisbane Vancouver Intl

$1,867Air Canada

Wed, 11 Nov - Wed, 17 Mar

15:30 - 18:10ORD Chicago O'Hare Intl-ADL Adelaide

34h 10m2 stops Vancouver Intl Sydney Kingsford Smith

06:00 - 19:58ADL Adelaide-ORD Chicago O'Hare Intl

29h 28m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,873Air Canada

Sat, 6 Mar - Sun, 14 Mar

15:40 - 21:00ORD Chicago O'Hare Intl-ADL Adelaide

36h 50m2 stops Vancouver Intl Brisbane

06:00 - 18:58ADL Adelaide-ORD Chicago O'Hare Intl

29h 28m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,874Air Canada

Sat, 6 Mar - Sun, 14 Mar

15:40 - 21:00ORD Chicago O'Hare Intl-ADL Adelaide

36h 50m2 stops Vancouver Intl Brisbane

19:55 - 19:58ADL Adelaide-ORD Chicago O'Hare Intl

39h 33m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,876Air Canada

Useful Info

Low season	February
High season	April
Cheapest flight	$1,745

Best time to beat the crowds (32% less expensive on average)

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 return 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.