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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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 round-trip ticket. You could then fly to Perth with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$519 CHEAP FLIGHTS from Illinois to Perth

PER

KAYAK searches hundreds of travel sites at once for deals on flights to Perth

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$1,349

Overall average: $2,078

Multiple Airlines

Tue 4/28Mon 5/18

ORD - PER • 2 stops

Cheapest one-way

$519

Multiple Airlines

Tue 2/10

ORD - PER • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Perth!

Flight Deals

Cheap Flights from Illinois to Perth

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Perth that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Illinois to Perth

Tue, Apr 28 - Mon, May 18

3:40 pm - 12:55 pmORD-PER

32h 15m2 stops

10:40 pm - 2:49 pmPER-ORD

29h 09m2 stops

$1,349Multiple Airlines

Find Deal

Wed, Apr 1 - Fri, Apr 10

6:50 pm - 11:55 pmORD-PER

40h 05m2 stops

5:10 pm - 11:58 pmPER-ORD

43h 48m2 stops

$1,355Multiple Airlines

Find Deal

Wed, Mar 4 - Mon, Mar 23

5:29 pm - 11:55 pmORD-PER

40h 26m2 stops

5:05 pm - 5:53 pmPER-ORD

37h 48m2 stops

$1,391Multiple Airlines

Find Deal

Sun, May 3 - Wed, May 13

3:40 pm - 3:45 pmORD-PER

35h 05m2 stops

10:40 pm - 2:49 pmPER-ORD

29h 09m2 stops

$1,396Air Canada

Find Deal

Sun, May 3 - Wed, May 13

2:00 pm - 3:45 pmORD-PER

36h 45m3 stops

10:40 pm - 2:49 pmPER-ORD

29h 09m2 stops

$1,403Air Canada

Find Deal

Wed, Feb 25 - Wed, Mar 18

7:00 am - 11:55 amSTL-PER

38h 55m2 stops

10:45 pm - 11:55 pmPER-STL

38h 10m2 stops

$1,454Qatar Airways

Find Deal

Sat, Feb 28 - Tue, Mar 3

10:04 am - 10:55 pmSTL-PER

46h 51m2 stops

12:25 am - 11:48 pmPER-STL

37h 23m2 stops

$1,473Cathay Pacific

Find Deal

Sat, Feb 28 - Tue, Mar 3

10:04 am - 6:55 amSTL-PER

30h 51m2 stops

12:25 am - 11:48 pmPER-STL

37h 23m2 stops

$1,474Cathay Pacific

Find Deal

Sat, Feb 28 - Wed, Mar 4

11:46 am - 10:10 amSTL-PER

32h 24m2 stops

10:20 am - 11:48 pmPER-STL

27h 28m2 stops

$1,730Qantas Airways

Find Deal

Sat, Feb 28 - Wed, Mar 4

3:31 pm - 5:20 pmSTL-PER

35h 49m2 stops

5:00 pm - 5:05 pmPER-STL

38h 05m2 stops

$1,794Qantas Airways

Find Deal

Useful Info

Low season	February
High season	December
Cheapest flight	$519

Best time to beat the crowds with an average 30% drop in price.

Most popular time to fly with an average 23% increase in price.

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 round-trip 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.

Fremantle

Scarborough

Waikiki

Everything you need to know for your flight to Perth

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Perth

Perth (PER)

PER

$519 Find Cheap Flights from Illinois to Perth

KAYAK searches hundreds of travel sites at once for deals on flights to Perth

Everything you should know

Cheap Flights from Illinois to Perth

Recent round-trip flight deals from Illinois to Perth

Recent one-way flight deals from Illinois to Perth

Good to know

FAQs for booking flights from Illinois 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 round-trip 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.

Traveling to a place near Perth?

Everything you need to know for your flight to Perth

Information on the airport you'll fly into in Perth

Cabin class types available on flights to Illinois

Complete your trip to Perth with a hotel stay or car rental

Find direct flights for Perth

Flights to other popular destinations

Flights from domestic origins to Perth

Choose which airport to fly into in Perth

Find deals for your return flight