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$523+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQY
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Illinois to Sydney

Keep the following information in mind while searching for Illinois to Sydney flight deals. Data was last updated September 15, 2025.

Round-trip from

$523
(Kiwi.com)
From Illinois to Sydney
Search Deals

Find 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:30 pmORD - YQY
1 stop23h 21mMultiple Airlines
Fri 10/1712:00 pmYQY - ORD
2 stops30h 43mMultiple Airlines
Deal found 9/14$523
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Thu 11/133:35 pmORD - YQY
1 stop4h 54mAir Canada
Thu 11/205:30 amYQY - ORD
1 stop7h 48mAir Canada
Deal found 9/14$695
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Fri 10/108:25 pmORD - YQY
2 stops17h 23mAir Canada
Fri 10/174:30 pmYQY - ORD
2 stops18h 39mAir Canada
Deal found 9/14$816
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Mon 10/69:55 amORD - YQY
1 stop12h 40mAir Canada
Mon 10/135:15 amYQY - ORD
1 stop11h 49mAir Canada
Deal found 9/13$881
This Mytrip deal was found by Cheapflights users on 9/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:35 amORD - YQY
3 stops34h 16mMultiple Airlines
Mon 10/133:00 pmYQY - ORD
3 stops31h 48mMultiple Airlines
Deal found 9/13$938
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Wed 10/89:55 amORD - YQY
1 stop12h 40mAir Canada
Tue 10/145:15 amYQY - ORD
2 stops20h 15mAir Canada
Deal found 9/15$1,442
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Wed 9/243:20 pmSTL - YQY
2 stops30h 49mMultiple Airlines
Fri 10/34:30 pmYQY - STL
2 stops20h 19mMultiple Airlines
Deal found 9/13$1,487
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Wed 9/244:05 pmSTL - YQY
1 stop6h 04mAir Canada
Fri 10/35:15 amYQY - STL
1 stop12h 03mAir Canada
Deal found 9/13$1,912

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 September 15, 2025.
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

Fri 10/10

5:30 pm-6:51 pm

1 stop23h 21m

Sydney

Fri 10/17

12:00 pm-4:43 pm

2 stops30h 43m

$523

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 11/13

3:35 pm-10:29 pm

1 stop4h 54m

Sydney

Thu 11/20

5:30 am-11:18 am

1 stop7h 48m

$695

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 10/10

8:25 pm-3:48 pm

2 stops17h 23m

Sydney

Fri 10/17

4:30 pm-9:09 am

2 stops18h 39m

$816

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 10/6

9:55 am-12:35 am

1 stop12h 40m

Sydney

Mon 10/13

5:15 am-3:04 pm

1 stop11h 49m

$881

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 10/6

6:35 am-6:51 pm

3 stops34h 16m

Sydney

Mon 10/13

3:00 pm-8:48 pm

3 stops31h 48m

$938

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 10/8

9:55 am-12:35 am

1 stop12h 40m

Sydney

Tue 10/14

5:15 am-11:30 pm

2 stops20h 15m

$1,442

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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 4h 54m. Air Canada provides one of the quickest options available for as low as $695. 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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