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.

$1,331 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

Last minute

Recent return flight deals from Illinois to Adelaide

Mon, 1 Mar - Wed, 17 Mar

18:50 - 17:05ORD Chicago O'Hare Intl-ADL Adelaide

29h 45m1 stop Doha Hamad Intl

22:00 - 15:30ADL Adelaide-ORD Chicago O'Hare Intl

33h 00m1 stop Doha Hamad Intl

$1,900Qatar Airways

Mon, 1 Mar - Wed, 17 Mar

18:50 - 17:05ORD Chicago O'Hare Intl-ADL Adelaide

29h 45m1 stop Doha Hamad Intl

14:50 - 15:30ADL Adelaide-ORD Chicago O'Hare Intl

40h 10m2 stops Melbourne Doha Hamad Intl

$1,910Qatar Airways

Mon, 1 Mar - Wed, 17 Mar

18:50 - 11:00ORD Chicago O'Hare Intl-ADL Adelaide

47h 40m2 stops Doha Hamad Intl Melbourne

16:50 - 15:30ADL Adelaide-ORD Chicago O'Hare Intl

38h 10m2 stops Melbourne Doha Hamad Intl

$1,952Qatar Airways

Fri, 19 Feb - Fri, 26 Feb

18:50 - 17:05ORD Chicago O'Hare Intl-ADL Adelaide

29h 45m1 stop Doha Hamad Intl

22:00 - 14:30ADL Adelaide-ORD Chicago O'Hare Intl

33h 00m1 stop Doha Hamad Intl

$1,957Qatar Airways

Sun, 31 Jan - Fri, 12 Feb

18:50 - 08:55ORD Chicago O'Hare Intl-ADL Adelaide

45h 35m2 stops Doha Hamad Intl Sydney Kingsford Smith

22:00 - 14:30ADL Adelaide-ORD Chicago O'Hare Intl

33h 00m1 stop Doha Hamad Intl

$1,960Qatar Airways

Sat, 6 Mar - Sun, 14 Mar

18:50 - 17:05ORD Chicago O'Hare Intl-ADL Adelaide

29h 45m1 stop Doha Hamad Intl

22:00 - 15:30ADL Adelaide-ORD Chicago O'Hare Intl

33h 00m1 stop Doha Hamad Intl

$1,964Qatar Airways

Fri, 19 Feb - Fri, 26 Feb

18:50 - 17:05ORD Chicago O'Hare Intl-ADL Adelaide

29h 45m1 stop Doha Hamad Intl

19:50 - 14:30ADL Adelaide-ORD Chicago O'Hare Intl

35h 10m2 stops Melbourne Doha Hamad Intl

$1,967Qatar Airways

Sun, 31 Jan - Fri, 12 Feb

20:20 - 10:55ORD Chicago O'Hare Intl-ADL Adelaide

46h 05m2 stops Los Angeles Auckland Intl

12:05 - 19:56ADL Adelaide-ORD Chicago O'Hare Intl

24h 21m2 stops Auckland Intl Houston George Bush Intcntl

$1,996Air New Zealand

Tue, 23 Mar - Tue, 6 Apr

19:50 - 20:40ORD Chicago O'Hare Intl-ADL Adelaide

33h 20m2 stops Doha Hamad Intl Melbourne

18:50 - 15:05ADL Adelaide-ORD Chicago O'Hare Intl

34h 45m2 stops Melbourne Doha Hamad Intl

$2,009Multiple Airlines

Fri, 19 Feb - Fri, 26 Feb

18:50 - 11:00ORD Chicago O'Hare Intl-ADL Adelaide

47h 40m2 stops Doha Hamad Intl Melbourne

17:50 - 14:30ADL Adelaide-ORD Chicago O'Hare Intl

37h 10m2 stops Melbourne Doha Hamad Intl

$2,009Qatar Airways

Recent last minute flight deals from Illinois to Adelaide

Sat, 7 Nov - Tue, 17 Nov

15:30 - 14:05ORD Chicago O'Hare Intl-ADL Adelaide

30h 05m2 stops Vancouver Intl Sydney Kingsford Smith

06:25 - 14:37ADL Adelaide-ORD Chicago O'Hare Intl

24h 42m2 stops Brisbane Vancouver Intl

$2,334Multiple Airlines

Sat, 7 Nov - Tue, 17 Nov

21:21 - 18:10ORD Chicago O'Hare Intl-ADL Adelaide

52h 19m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

06:00 - 19:59ADL Adelaide-ORD Chicago O'Hare Intl

30h 29m2 stops Sydney Kingsford Smith Vancouver Intl

$2,334Air Canada

Sat, 7 Nov - Tue, 17 Nov

21:21 - 18:10ORD Chicago O'Hare Intl-ADL Adelaide

52h 19m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

06:00 - 19:05ADL Adelaide-ORD Chicago O'Hare Intl

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

$2,346Air Canada

Sat, 7 Nov - Tue, 17 Nov

18:50 - 15:55ORD Chicago O'Hare Intl-ADL Adelaide

28h 35m1 stop Doha Hamad Intl

22:00 - 14:30ADL Adelaide-ORD Chicago O'Hare Intl

33h 00m1 stop Doha Hamad Intl

$2,443Qatar Airways

Sat, 7 Nov - Tue, 17 Nov

10:35 - 15:55ORD Chicago O'Hare Intl-ADL Adelaide

36h 50m2 stops Houston George Bush Intcntl Doha Hamad Intl

22:00 - 14:30ADL Adelaide-ORD Chicago O'Hare Intl

33h 00m1 stop Doha Hamad Intl

$2,532Qatar Airways

Thu, 5 Nov - Mon, 9 Nov

23:30 - 12:35ORD Chicago O'Hare Intl-ADL Adelaide

44h 35m2 stops Taipei City Taiwan Taoyuan Intl Brisbane

20:05 - 08:30ADL Adelaide-ORD Chicago O'Hare Intl

52h 55m2 stops Sydney Kingsford Smith Incheon Intl

$15,508Multiple Airlines

Wed, 4 Nov - Mon, 9 Nov

15:30 - 16:20ORD Chicago O'Hare Intl-ADL Adelaide

32h 20m2 stops Vancouver Intl Brisbane

06:10 - 19:59ADL Adelaide-ORD Chicago O'Hare Intl

30h 19m2 stops Brisbane Vancouver Intl

$18,624Air Canada

Wed, 4 Nov - Tue, 10 Nov

15:30 - 16:20ORD Chicago O'Hare Intl-ADL Adelaide

32h 20m2 stops Vancouver Intl Brisbane

06:10 - 19:59ADL Adelaide-ORD Chicago O'Hare Intl

30h 19m2 stops Brisbane Vancouver Intl

$18,624Air Canada

Wed, 4 Nov - Sun, 8 Nov

15:30 - 16:20ORD Chicago O'Hare Intl-ADL Adelaide

32h 20m2 stops Vancouver Intl Brisbane

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

25h 07m2 stops Sydney Kingsford Smith Vancouver Intl

$18,631Air Canada

Fri, 6 Nov - Mon, 9 Nov

18:50 - 08:15ORD Chicago O'Hare Intl-ADL Adelaide

44h 55m2 stops Doha Hamad Intl Kuala Lumpur Intl

11:00 - 15:50ADL Adelaide-ORD Chicago O'Hare Intl

45h 20m2 stops Kuala Lumpur Intl Paris Charles de Gaulle

$18,898Malaysia Airlines

Useful Info

Low season	February
High season	April
Cheapest flight	$1,331

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

Most popular time to fly and prices are also 7% 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.