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>

$339 CHEAP FLIGHTS from Illinois to Sydney

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Cheap Flights from Illinois to Sydney

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 Sydney

Tue, Sep 15 - Fri, Sep 18

8:45 am - 4:38 pm

ORD

YQY

5h 53m

1 stop

5:05 am - 9:00 am

YQY

ORD

5h 55m

1 stop

$656Air Canada

Tue, Sep 15 - Fri, Sep 18

8:45 am - 4:38 pm

ORD

YQY

5h 53m

1 stop

5:20 pm - 9:00 am

YQY

ORD

17h 40m

2 stops

$684Air Canada

Sat, Jun 6 - Tue, Jun 9

2:15 pm - 12:09 am

ORD

YQY

7h 54m

1 stop

5:00 am - 9:05 am

YQY

ORD

6h 05m

1 stop

$695Air Canada

Sat, Jun 6 - Tue, Jun 9

2:15 pm - 12:09 am

ORD

YQY

7h 54m

1 stop

5:00 am - 2:50 pm

YQY

ORD

11h 50m

2 stops

$699Air Canada

Sat, Jun 6 - Tue, Jun 9

11:05 am - 12:09 am

ORD

YQY

11h 04m

2 stops

5:00 am - 2:50 pm

YQY

ORD

11h 50m

2 stops

$702Air Canada

Fri, May 8 - Fri, May 15

2:15 pm - 12:14 am

STL

YQY

7h 59m

1 stop

5:00 am - 12:06 pm

YQY

STL

9h 06m

1 stop

$747Air Canada

Sun, May 10 - Sun, May 17

8:45 am - 4:14 pm

ORD

YQY

5h 29m

1 stop

5:00 am - 9:05 am

YQY

ORD

6h 05m

1 stop

$748Air Canada

Tue, Sep 22 - Fri, Sep 25

8:45 am - 4:38 pm

ORD

YQY

5h 53m

1 stop

5:05 am - 9:00 am

YQY

ORD

5h 55m

1 stop

$749Air Canada

Thu, Jun 18 - Mon, Jun 22

8:45 am - 4:39 pm

ORD

YQY

5h 54m

1 stop

5:00 am - 4:57 pm

YQY

ORD

13h 57m

1 stop

$773Air Canada

Tue, Sep 22 - Fri, Sep 25

5:00 am - 4:38 pm

ORD

YQY

9h 38m

2 stops

5:05 am - 2:52 pm

YQY

ORD

11h 47m

2 stops

$775Air Canada

Useful Info

Cheapest flight	$339

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

$339 Find Cheap Flights from Illinois to Sydney

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

Cheap Flights from Illinois to Sydney

Recent round-trip flight deals from Illinois to Sydney

Recent one-way 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

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