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Cheap flights from Illinois to Sydney, NS from C$ 569

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 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQY
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

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 3 November 2025.

Round-trip from

C$ 1,016

One-way from

C$ 569
Air Canada
  • Air Canada
  • 11/12-14/12
  • 2 total stops
  • 14h 36m total
  • Illinois to Sydney
Search Deals
Air Canada
  • Air Canada
  • 23/11
  • 2 total stops
  • 25h 03m total
  • Illinois to Sydney
Search Deals

Find 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 3 November 2025.

Thu 11/123:35 p.m.ORD - YQY
1 stop6h 33mAir Canada
Sun 14/125:15 a.m.YQY - ORD
1 stop8h 03mAir Canada
Deal found 2/11C$ 1,016

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 3 November 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

Thu 11/12

3:35 p.m.-12:08 a.m.

1 stop6h 33m

Sydney

Mon 15/12

5:15 a.m.-11:18 a.m.

1 stop8h 03m

C$ 1,016

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 11/12

3:35 p.m.-12:08 a.m.

1 stop6h 33m

Sydney

Sun 14/12

5:15 a.m.-11:18 a.m.

1 stop8h 03m

C$ 1,016

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Thu 30/4

4:05 p.m.-3:57 p.m.

2 stops21h 52m

Sydney

Mon 4/5

4:30 p.m.-3:16 p.m.

2 stops24h 46m

C$ 1,677

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 23/11

8:15 p.m.-11:18 p.m.

2 stops25h 03m

C$ 569

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 22/11

7:05 a.m.-11:18 p.m.

1 stop14h 13m

C$ 657

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 21/11

8:15 p.m.-11:18 p.m.

2 stops25h 03m

C$ 820

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

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 6h 33m. 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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How does Cheapflights help users find flights from Illinois to Sydney?

Cheapflights makes it easy to find Illinois to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Sydney?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from Illinois.

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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