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Cheap flights from Illinois to Sydney, NS from C$ 896

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQY
18 Mar — 25 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Sydney
Explore the most affordable flight options available from Illinois to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 February 2026.

Thu 30/43:45 p.m.
ORD
-
YQY
1 stop5h 39m
Air Canada
Mon 4/55:05 a.m.
YQY
-
ORD
1 stop10h 20m
Air Canada
Deal found 14/2C$ 896
Wed 29/43:45 p.m.
ORD
-
YQY
1 stop5h 39m
Air Canada
Mon 4/55:05 a.m.
YQY
-
ORD
2 stops11h 48m
Air Canada
Deal found 14/2C$ 907
Thu 2/43:45 p.m.
ORD
-
YQY
1 stop5h 39m
Air Canada
Thu 9/45:30 a.m.
YQY
-
ORD
1 stop7h 23m
Air Canada
Deal found 15/2C$ 911
Fri 1/511:05 a.m.
ORD
-
YQY
2 stops11h 09m
Air Canada
Tue 5/55:05 a.m.
YQY
-
ORD
2 stops11h 48m
Air Canada
Deal found 14/2C$ 918
Wed 29/43:45 p.m.
ORD
-
YQY
1 stop5h 39m
Air Canada
Sun 3/55:05 a.m.
YQY
-
ORD
1 stop6h 45m
Air Canada
Deal found 14/2C$ 930
Sun 15/37:15 a.m.
ORD
-
YQY
2 stops26h 17m
Air Canada
Thu 19/35:20 a.m.
YQY
-
ORD
1 stop7h 58m
Air Canada
Deal found 12/2C$ 949
Wed 29/43:45 p.m.
ORD
-
YQY
2 stops18h 01m
Air Canada
Tue 5/55:05 a.m.
YQY
-
ORD
2 stops11h 48m
Air Canada
Deal found 14/2C$ 952
Sat 4/47:45 a.m.
STL
-
YQY
2 stops13h 39m
Air Canada
Tue 7/45:30 a.m.
YQY
-
STL
2 stops17h 38m
Air Canada
Deal found 12/2C$ 1,306

Find flight deals from Illinois to Sydney

Keep the following information in mind while searching for Illinois to Sydney flight deals. Data was last updated 16 February 2026.

Round-trip from

C$ 896
Air Canada
  • Air Canada
  • 30/4-4/5
  • 2 total stops
  • 15h 59m total
  • Illinois to Sydney
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 16 February 2026.
Use the filters below to find and compare flights from Illinois to Sydney that are best for you.

Fly from

Illinois

Fly to

Sydney

Route

Depart

Return

Price

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 30/4

3:45 p.m.-11:24 p.m.

1 stop5h 39m

Sydney

Mon 4/5

5:05 a.m.-1:25 p.m.

1 stop10h 20m

C$ 896

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 29/4

3:45 p.m.-11:24 p.m.

1 stop5h 39m

Sydney

Mon 4/5

5:05 a.m.-2:53 p.m.

2 stops11h 48m

C$ 907

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 30/4

3:45 p.m.-11:24 p.m.

1 stop5h 39m

Sydney

Tue 5/5

5:05 a.m.-2:53 p.m.

2 stops11h 48m

C$ 907

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 30/4

3:45 p.m.-11:24 p.m.

1 stop5h 39m

Sydney

Sun 3/5

5:05 a.m.-2:53 p.m.

2 stops11h 48m

C$ 907

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 29/4

3:45 p.m.-11:24 p.m.

1 stop5h 39m

Sydney

Tue 5/5

5:05 a.m.-2:53 p.m.

2 stops11h 48m

C$ 907

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 2/4

3:45 p.m.-11:24 p.m.

1 stop5h 39m

Sydney

Thu 9/4

5:30 a.m.-10:53 a.m.

1 stop7h 23m

C$ 911

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 1/5

11:05 a.m.-12:14 a.m.

2 stops11h 09m

Sydney

Tue 5/5

5:05 a.m.-2:53 p.m.

2 stops11h 48m

C$ 918

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 1/5

11:05 a.m.-12:14 a.m.

2 stops11h 09m

Sydney

Mon 4/5

5:05 a.m.-2:53 p.m.

2 stops11h 48m

C$ 918

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 1/5

11:05 a.m.-12:14 a.m.

2 stops11h 09m

Sydney

Sun 3/5

5:05 a.m.-2:53 p.m.

2 stops11h 48m

C$ 918

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 29/4

3:45 p.m.-11:24 p.m.

1 stop5h 39m

Sydney

Sun 3/5

5:05 a.m.-9:50 a.m.

1 stop6h 45m

C$ 930

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/2

Showing 1-10 of 11 results
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Best time to book a flight from Illinois to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Sydney
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Illinois?

    If you book a flight to Sydney from Illinois, you will be flying to Sydney, which is the city’s only airport. Sydney (YQY) is located 11.2 km from the centre of Sydney.

  • How long is the flight from Illinois to Sydney, Nova Scotia?

    Air Canada can get you from Illinois to Sydney, Nova Scotia in just under 5h 39m. Your travel time can differ by up to . The distance between Illinois and Sydney, Nova Scotia is about 2260 km.

  • Can I find deals for flights from Illinois to Sydney that include hotel bookings?

    Yes. In addition to deals on Illinois to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Sydney.

  • Can I find deals for business class flights from Illinois to Sydney?

    Yes. Cheapflights offers flight deals from Illinois to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Can Cheapflights find flights from Illinois to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Illinois today and book when prices fit your budget.

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