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>

$528 CHEAP FLIGHTS from Illinois to Sydney

SYD

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

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Flights Deals

Cheap Flight Deals 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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Sydney

KAYAK's recommended round-trip deals from the most popular airlines that fly from Illinois to Sydney.

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

6:53 pm - 11:45 amORD-SYD

25h 52m2 stops

1:45 pm - 11:43 pmSYD-ORD

24h 58m2 stops

$1,117

Find Deal

Tue, Aug 19 - Sat, Aug 30

6:53 pm - 11:45 amORD-SYD

25h 52m2 stops

1:15 pm - 11:43 pmSYD-ORD

25h 28m2 stops

$1,142

Find Deal

Tue, Aug 12 - Tue, Aug 26

7:15 pm - 11:45 amORD-SYD

25h 30m2 stops

6:15 am - 8:54 pmSYD-ORD

29h 39m2 stops

$1,172Fiji Airways

Find Deal

Tue, Jun 24 - Tue, Jul 1

5:45 pm - 10:25 amORD-SYD

24h 40m1 stop

12:25 pm - 5:03 amSYD-ORD

32h 38m2 stops

$1,182ANA

Find Deal

Tue, Oct 21 - Fri, Oct 31

5:45 pm - 9:25 amORD-SYD

24h 40m1 stop

11:50 am - 8:40 amSYD-ORD

35h 50m1 stop

$1,187ANA

Find Deal

Wed, Aug 20 - Sun, Aug 31

4:30 pm - 8:45 amORD-SYD

25h 15m2 stops

11:50 am - 12:30 amSYD-ORD

27h 40m2 stops

$1,195Air New Zealand

Find Deal

Wed, Aug 20 - Sun, Aug 31

4:30 pm - 10:35 amORD-SYD

27h 05m2 stops

11:50 am - 12:30 amSYD-ORD

27h 40m2 stops

$1,196Air New Zealand

Find Deal

Wed, Aug 20 - Sun, Aug 31

7:03 pm - 11:45 amORD-SYD

25h 42m2 stops

1:15 pm - 9:03 pmSYD-ORD

22h 48m2 stops

$1,293Fiji Airways

Find Deal

Wed, Aug 27 - Sun, Aug 31

4:00 pm - 10:50 amORD-SYD

27h 50m1 stop

9:50 pm - 2:25 pmSYD-ORD

31h 35m1 stop

$1,319Cathay Pacific

Find Deal

Wed, Sep 10 - Wed, Sep 24

4:00 pm - 10:50 amORD-SYD

27h 50m1 stop

9:50 pm - 2:25 pmSYD-ORD

31h 35m1 stop

$1,320Cathay Pacific

Find Deal

Wed, Sep 10 - Wed, Sep 24

Useful Info

Low season	April
High season	December
Cheapest flight	$528

Best time to beat the crowds with an average 12% drop in price.

Most popular time to fly with an average 39% increase in price.

Flight from Chicago Midway Airport 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.

Katoomba

Cronulla

Lithgow

Randwick

Everything you need to know for your flight to Sydney

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 Sydney

Sydney (SYD)

SYD

$528 Find Cheap Flights from Illinois to Sydney

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

Cheap Flight Deals from Illinois to Sydney

Recent round-trip flight deals from Illinois to Sydney

Recent one-way flight deals from Illinois to Sydney

Recent last minute 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

Find direct flights for Sydney

Flights to other popular destinations

Flights from domestic origins to Sydney

Choose which airport to fly into in Sydney

Find deals for your return flight