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.

$1,039 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

Wed, 21 Oct - Wed, 28 Oct

20:10 - 17:10ORD Chicago O'Hare Intl-PER Perth

32h 00m2 stops Istanbul Singapore Changi

21:10 - 11:00PER Perth-ORD Chicago O'Hare Intl

50h 50m2 stops Singapore Changi Istanbul

$1,780Multiple Airlines

Wed, 21 Oct - Wed, 28 Oct

20:10 - 05:50ORD Chicago O'Hare Intl-PER Perth

44h 40m3 stops Istanbul Singapore Changi Kuala Lumpur Intl

23:10 - 11:00PER Perth-ORD Chicago O'Hare Intl

48h 50m3 stops Kuala Lumpur Intl Singapore Changi Istanbul

$1,897Multiple Airlines

Wed, 10 Mar - Sat, 20 Mar

18:50 - 22:00ORD Chicago O'Hare Intl-PER Perth

37h 10m2 stops Doha Hamad Intl Melbourne

22:45 - 15:30PER Perth-ORD Chicago O'Hare Intl

29h 45m1 stop Doha Hamad Intl

$1,988Qatar Airways

Sat, 24 Oct - Sun, 1 Nov

00:30 - 19:55ORD Chicago O'Hare Intl-PER Perth

54h 25m3 stops Taipei City Taiwan Taoyuan Intl Ho Chi Minh City Kuala Lumpur Intl

05:15 - 20:35PER Perth-ORD Chicago O'Hare Intl

52h 20m3 stops Kuala Lumpur Intl Ho Chi Minh City Taipei City Taiwan Taoyuan Intl

$2,016Multiple Airlines

Sun, 28 Feb - Mon, 15 Mar

07:00 - 18:45STL Lambert-St Louis-PER Perth

45h 45m2 stops Seattle/Tacoma Intl Doha Hamad Intl

22:45 - 23:44PER Perth-STL Lambert-St Louis

37h 59m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$2,038Qatar Airways

Sat, 6 Feb - Sat, 20 Feb

18:50 - 21:10ORD Chicago O'Hare Intl-PER Perth

36h 20m2 stops Doha Hamad Intl Melbourne

22:45 - 14:30PER Perth-ORD Chicago O'Hare Intl

29h 45m1 stop Doha Hamad Intl

$2,044Qatar Airways

Wed, 28 Oct - Wed, 4 Nov

10:12 - 22:55STL Lambert-St Louis-PER Perth

47h 43m2 stops Dallas/Fort Worth Hong Kong Intl

08:30 - 16:43PER Perth-STL Lambert-St Louis

46h 13m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,099Multiple Airlines

Tue, 27 Oct - Tue, 3 Nov

19:50 - 18:45ORD Chicago O'Hare Intl-PER Perth

33h 55m1 stop Doha Hamad Intl

13:20 - 14:30PER Perth-ORD Chicago O'Hare Intl

39h 10m2 stops Brisbane Doha Hamad Intl

$2,101Qatar Airways

Sun, 28 Feb - Mon, 15 Mar

07:00 - 18:45STL Lambert-St Louis-PER Perth

45h 45m2 stops Seattle/Tacoma Intl Doha Hamad Intl

22:45 - 23:44PER Perth-STL Lambert-St Louis

37h 59m2 stops Doha Hamad Intl Seattle/Tacoma Intl

$2,103Qatar Airways

Sun, 1 Nov - Mon, 16 Nov

17:29 - 06:55STL Lambert-St Louis-PER Perth

47h 26m2 stops Chicago O'Hare Intl Hong Kong Intl

08:30 - 18:17PER Perth-STL Lambert-St Louis

47h 47m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,106Multiple Airlines

Useful Info

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.