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

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 Sydney. 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 Sydney?

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

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 Sydney 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 Sydney?

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 Sydney 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>

$613 CHEAP FLIGHTS from Illinois to Sydney

YQY

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

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Cheapest round-trip

$613

Air Canada

Sat 4/25Tue 4/28

ORD - YQY • 1 stop

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Flight Deals

Cheap Flights from Illinois to Sydney

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Sydney 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

Recent round-trip flight deals from Illinois to Sydney

Sat, Apr 25 - Tue, Apr 28

12:50 pm - 10:54 pmORD-YQY

8h 04m1 stop

5:30 am - 10:08 amYQY-ORD

6h 38m1 stop

$613Air Canada

Find Deal

Sat, Apr 25 - Tue, Apr 28

12:50 pm - 10:54 pmORD-YQY

8h 04m1 stop

5:30 am - 3:10 pmYQY-ORD

11h 40m2 stops

$625Air Canada

Find Deal

Sat, Apr 25 - Tue, Apr 28

12:50 pm - 10:54 pmORD-YQY

8h 04m1 stop

5:30 am - 10:08 amYQY-ORD

6h 38m1 stop

$635Air Canada

Find Deal

Sat, Apr 25 - Tue, Apr 28

9:50 am - 10:54 pmORD-YQY

11h 04m2 stops

5:30 am - 1:00 pmYQY-ORD

9h 30m2 stops

$637Air Canada

Find Deal

Sat, Apr 25 - Tue, Apr 28

12:50 pm - 10:54 pmORD-YQY

8h 04m1 stop

5:30 am - 3:10 pmYQY-ORD

11h 40m2 stops

$641Air Canada

Find Deal

Sat, Apr 25 - Tue, Apr 28

9:50 am - 10:54 pmORD-YQY

11h 04m2 stops

5:30 am - 3:10 pmYQY-ORD

11h 40m2 stops

$648Air Canada

Find Deal

Wed, Dec 10 - Mon, Dec 15

3:35 pm - 12:08 amORD-YQY

6h 33m1 stop

5:15 am - 11:18 amYQY-ORD

8h 03m1 stop

$735Air Canada

Find Deal

Wed, Dec 10 - Mon, Dec 15

2:00 pm - 12:08 amORD-YQY

8h 08m2 stops

5:15 am - 11:18 amYQY-ORD

8h 03m1 stop

$742Air Canada

Find Deal

Wed, Dec 10 - Mon, Dec 15

2:00 pm - 12:08 amORD-YQY

8h 08m2 stops

5:15 am - 1:01 pmYQY-ORD

9h 46m2 stops

$748Air Canada

Find Deal

Sat, Dec 27 - Sat, Jan 24

12:50 pm - 12:08 amORD-YQY

9h 18m1 stop

12:15 pm - 8:10 pmYQY-ORD

9h 55m2 stops

$892Air Canada

Find Deal

Useful Info

Cheapest flight	$613

Flight from Chicago to Sydney

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

Cheticamp

Inverness

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Sydney (YQY)

YQY

$613 Find Cheap Flights from Illinois to Sydney

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

Everything you should know

Cheap Flights from Illinois to Sydney

Recent round-trip flight deals from Illinois to Sydney

Good to know

FAQs for booking flights from Illinois to Sydney

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

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 Sydney.

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

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

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 Sydney 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 Sydney?

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 Sydney 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 Sydney?

Everything you need to know for your flight to Sydney

Information on the airport you'll fly into in Sydney

Cabin class types available on flights to Illinois

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

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Flights from domestic origins to Sydney

Choose which airport to fly into in Sydney