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.

$851 CHEAP FLIGHTS from Illinois to Adelaide

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Cheap Flights from Illinois to Adelaide

Cheap flights from Illinois to Adelaide with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Sun, Feb 14 - Sat, Feb 20

3:35 pm - 1:55 pmORD Chicago O'Hare Intl-ADL Adelaide

29h 50m2 stops Vancouver Intl Sydney Kingsford Smith

2:30 pm - 2:32 pmADL Adelaide-ORD Chicago O'Hare Intl

40h 32m2 stops Sydney Kingsford Smith Vancouver Intl

$1,149Air Canada

Sun, Mar 21 - Sat, Mar 27

3:40 pm - 12:35 pmORD Chicago O'Hare Intl-ADL Adelaide

29h 25m2 stops Vancouver Intl Sydney Kingsford Smith

6:00 am - 2:35 pmADL Adelaide-ORD Chicago O'Hare Intl

24h 05m2 stops Sydney Kingsford Smith Vancouver Intl

$1,151Multiple Airlines

Sun, Feb 14 - Sat, Feb 20

10:05 am - 7:10 pmORD Chicago O'Hare Intl-ADL Adelaide

40h 35m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

2:30 pm - 2:32 pmADL Adelaide-ORD Chicago O'Hare Intl

40h 32m2 stops Sydney Kingsford Smith Vancouver Intl

$1,157Air Canada

Sun, Mar 21 - Sat, Mar 27

12:50 pm - 1:55 pmORD Chicago O'Hare Intl-ADL Adelaide

33h 35m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

6:00 am - 2:35 pmADL Adelaide-ORD Chicago O'Hare Intl

24h 05m2 stops Sydney Kingsford Smith Vancouver Intl

$1,162Air Canada

Wed, Mar 31 - Sun, Apr 4

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

30h 45m2 stops Vancouver Intl Sydney Kingsford Smith

9:20 pm - 2:35 pmADL Adelaide-ORD Chicago O'Hare Intl

31h 45m2 stops Brisbane Vancouver Intl

$1,275Air Canada

Wed, Mar 31 - Sun, Apr 4

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

32h 45m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

9:20 pm - 2:35 pmADL Adelaide-ORD Chicago O'Hare Intl

31h 45m2 stops Brisbane Vancouver Intl

$1,283Air Canada

Mon, Mar 8 - Mon, Mar 15

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

29h 45m1 stop Doha Hamad Intl

10:00 pm - 3:30 pmADL Adelaide-ORD Chicago O'Hare Intl

33h 00m1 stop Doha Hamad Intl

$1,291Qatar Airways

Wed, Mar 31 - Sun, Apr 4

12:50 pm - 1:55 pmORD Chicago O'Hare Intl-ADL Adelaide

33h 35m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

8:00 pm - 9:05 amADL Adelaide-ORD Chicago O'Hare Intl

51h 35m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,296Air Canada

Mon, Mar 8 - Mon, Mar 15

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

29h 45m1 stop Doha Hamad Intl

10:00 pm - 3:30 pmADL Adelaide-ORD Chicago O'Hare Intl

33h 00m1 stop Doha Hamad Intl

$1,299Multiple Airlines

Thu, Feb 11 - Sun, Feb 21

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

29h 45m1 stop Doha Hamad Intl

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

33h 00m1 stop Doha Hamad Intl

$1,303JetBlue

Low season	March
High season	December
Cheapest flight	$851

Best time to beat the crowds with an average 28% drop in price.

Most popular time to fly with an average 14% 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.