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$624+ Cheap flights from Illinois to Sydney, NS (YQY)

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQY
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Illinois to Sydney

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 February 13, 2026.

This Gotogate deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/123:35 pm
ORD
-
YQY
1 stop5h 48m
Air Canada
Wed 3/185:20 am
YQY
-
ORD
2 stops9h 41m
Air Canada
Deal found 2/12$624
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/153:35 pm
ORD
-
YQY
1 stop5h 48m
Air Canada
Thu 3/195:20 am
YQY
-
ORD
1 stop7h 58m
Air Canada
Deal found 2/9$658
This Air Canada deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:45 am
STL
-
YQY
2 stops13h 39m
Air Canada
Tue 4/75:30 am
YQY
-
STL
2 stops17h 38m
Air Canada
Deal found 2/9$958
This Flightnetwork deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:10 am
STL
-
YQY
2 stops12h 14m
Air Canada
Sun 4/55:30 am
YQY
-
STL
2 stops11h 54m
Air Canada
Deal found 2/12$1,040
This Air Canada deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/282:40 pm
STL
-
YQY
1 stop7h 27m
Air Canada
Sun 8/25:05 am
YQY
-
STL
1 stop10h 57m
Air Canada
Deal found 2/11$1,104

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 February 13, 2026.

Round-trip from

$624
(Gotogate)
From 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 2,558,603 searches. Data last updated February 13, 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 3/12

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Wed 3/18

5:20 am-1:01 pm

2 stops9h 41m

$624

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 3/15

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Thu 3/19

5:20 am-11:18 am

1 stop7h 58m

$658

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sat 4/4

7:45 am-11:24 pm

2 stops13h 39m

Sydney

Tue 4/7

5:30 am-9:08 pm

2 stops17h 38m

$958

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sun 3/29

9:10 am-11:24 pm

2 stops12h 14m

Sydney

Sun 4/5

5:30 am-3:24 pm

2 stops11h 54m

$1,040

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Tue 7/28

2:40 pm-12:07 am

1 stop7h 27m

Sydney

Sun 8/2

5:05 am-2:02 pm

1 stop10h 57m

$1,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

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?

    Sydney (YQY), located 7.0 mi from the city center, is the airport you fly into when you book flights from Illinois to Sydney.

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

    A quick flight from Illinois to Sydney, Nova Scotia can take about 5h 48m. Air Canada provides one of the quickest options available for as low as $624. Illinois and Sydney, Nova Scotia are separated by a distance of 1404 mi.

  • 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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