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

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 Perth.

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

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

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 Perth 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 Perth?

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

Cheap Flights from Illinois to Perth

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Cheap Flights from Illinois to Perth

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 Perth

Tue, 3 Nov - Tue, 24 Nov

14:10 - 01:20Chicago Chicago O'Hare Intl-Perth Perth

45h 10m2 stops Hong Kong Intl Denpasar Bali Ngurah Rai

20:40 - 12:30Perth Perth-Chicago Chicago O'Hare Intl

53h 50m2 stops Denpasar Bali Ngurah Rai Hong Kong Intl

$1,851Multiple Airlines

1 day ago

Tue, 9 Mar - Sun, 21 Mar

14:10 - 01:20Chicago Chicago O'Hare Intl-Perth Perth

45h 10m2 stops Hong Kong Intl Denpasar Bali Ngurah Rai

06:50 - 13:30Perth Perth-Chicago Chicago O'Hare Intl

43h 40m2 stops Denpasar Bali Ngurah Rai Hong Kong Intl

$1,874Multiple Airlines

2 days ago

Tue, 3 Nov - Tue, 24 Nov

14:10 - 21:45Chicago Chicago O'Hare Intl-Perth Perth

41h 35m2 stops Hong Kong Intl Denpasar Bali Ngurah Rai

23:10 - 12:30Perth Perth-Chicago Chicago O'Hare Intl

51h 20m3 stops Kuala Lumpur Intl Denpasar Bali Ngurah Rai Hong Kong Intl

$2,097Multiple Airlines

1 day ago

Tue, 9 Mar - Sat, 20 Mar

14:10 - 21:45Chicago Chicago O'Hare Intl-Perth Perth

41h 35m2 stops Hong Kong Intl Denpasar Bali Ngurah Rai

00:45 - 13:30Perth Perth-Chicago Chicago O'Hare Intl

49h 45m3 stops Kuala Lumpur Intl Denpasar Bali Ngurah Rai Hong Kong Intl

$2,160Multiple Airlines

2 days ago

Sun, 21 Feb - Sun, 14 Mar

16:59 - 11:10Chicago Chicago O'Hare Intl-Perth Perth

28h 11m2 stops Los Angeles Brisbane

12:25 - 05:10Perth Perth-Chicago Chicago O'Hare Intl

30h 45m2 stops Melbourne Los Angeles

$2,216American Airlines

3+ days ago

Sun, 21 Feb - Sun, 14 Mar

14:10 - 04:00Chicago Chicago O'Hare Intl-Perth Perth

47h 50m2 stops Hong Kong Intl Denpasar Bali Ngurah Rai

23:35 - 17:55Perth Perth-Chicago Chicago O'Hare Intl

31h 20m1 stop Manila Ninoy Aquino Intl

$2,219Multiple Airlines

3+ days ago

Wed, 27 Jan - Sun, 14 Feb

15:52 - 14:10Chicago Chicago O'Hare Intl-Perth Perth

32h 18m2 stops Dallas/Fort Worth Brisbane

23:10 - 16:57Perth Perth-Chicago Chicago O'Hare Intl

31h 47m2 stops Brisbane Los Angeles

$2,232American Airlines

2 days ago

Tue, 9 Mar - Sun, 21 Mar

14:10 - 04:45Chicago Chicago O'Hare Intl-Perth Perth

48h 35m2 stops Hong Kong Intl Denpasar Bali Ngurah Rai

23:35 - 17:55Perth Perth-Chicago Chicago O'Hare Intl

31h 20m1 stop Manila Ninoy Aquino Intl

$2,255Multiple Airlines

2 days ago

Mon, 9 Nov - Mon, 23 Nov

16:20 - 07:55Chicago Chicago O'Hare Intl-Perth Perth

49h 35m2 stops Vienna Intl Bangkok Suvarnabhumi

16:35 - 14:00Perth Perth-Chicago Chicago O'Hare Intl

59h 25m2 stops Bangkok Suvarnabhumi Vienna Intl

$2,290Austrian Airlines

3+ days ago

Wed, 11 Nov - Mon, 23 Nov

16:20 - 07:55Chicago Chicago O'Hare Intl-Perth Perth

49h 35m2 stops Vienna Intl Bangkok Suvarnabhumi

16:35 - 14:00Perth Perth-Chicago Chicago O'Hare Intl

59h 25m2 stops Bangkok Suvarnabhumi Vienna Intl

$2,290Austrian Airlines

3+ days ago

Useful Info

Cheapest flight	$858

Flight from Chicago to Perth

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