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$336+ Cheap flights from Illinois to Sydney, NS (YQY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQY
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Illinois to Sydney

Best flights from Illinois to Sydney
Discover carefully curated flight deals from Illinois to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Air Canada deal was found by Cheapflights users on 12/15. 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.
Tue 5/52:15 pmORD - YQY
1 stop7h 59mAir Canada
Fri 5/85:05 amYQY - ORD
1 stop11h 50mAir Canada
Deal found 12/15$763
This Air Canada deal was found by Cheapflights users on 12/15. 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.
Sun 2/154:05 pmSTL - YQY
1 stop17h 27mAir Canada
Wed 2/185:20 amYQY - STL
2 stops12h 09mAir Canada
Deal found 12/15$955

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 December 18, 2025.

Round-trip from

$639
(Air Canada)

One-way from

$336
(Air Canada)
From Illinois to Sydney
Search Deals
One-way flight from Illinois to Sydney
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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 December 18, 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

Tue 5/5

2:15 pm-12:14 am

1 stop7h 59m

Sydney

Fri 5/8

5:05 am-2:55 pm

1 stop11h 50m

$763

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sun 2/15

4:05 pm-11:32 am

1 stop17h 27m

Sydney

Wed 2/18

5:20 am-3:29 pm

2 stops12h 09m

$955

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 1/30

2:00 pm-11:23 pm

2 stops7h 23m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 7h 59m. Air Canada provides one of the quickest options available for as low as $763. 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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