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Cheap flights from Illinois to Sydney, NS from C$ 446

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 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQY
5 Aug — 12 Aug1
1 adult

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 31 July 2025.

Round-trip from

C$ 861

One-way from

C$ 446
Air Canada
  • Air Canada
  • 2/10-9/10
  • 2 total stops
  • 11h 00m total
  • Illinois to Sydney
Search Deals
Air Canada
  • Air Canada
  • 30/8
  • 1 total stop
  • 5h 14m total
  • 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 31 July 2025.

Thu 2/108:40 a.m.ORD - YQY
1 stop5h 08mAir Canada
Thu 9/104:30 p.m.YQY - ORD
1 stop5h 52mAir Canada
Deal found 29/7C$ 861

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 31 July 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 2/10

8:40 a.m.-3:48 p.m.

1 stop5h 08m

Sydney

Thu 9/10

4:30 p.m.-8:22 p.m.

1 stop5h 52m

C$ 861

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 30/8

8:40 a.m.-3:54 p.m.

1 stop5h 14m

C$ 446

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 30/8

11:15 a.m.-2:30 p.m.

3 stops49h 15m

C$ 572

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

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.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 31 July 2025.
Check out reviews from past customers who have flown with Air Canada from Illinois to Sydney to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
9,842 reviews
Check prices

Entertainment

6.8

Boarding

7.3

Crew

7.8

Comfort

7.1

Overall

7.1

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2024

YYT - YHZ

No leg room plane was so small no room to move no room to sit squat in your seat my legs were so swollen up at the end of flight
Air Canada
7.1
Good
9,842 reviews
Air Canada
7.1
Good
9,842 reviews
Check prices

Entertainment

6.8

Boarding

7.3

Crew

7.8

Comfort

7.1

Overall

7.1

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2024

YYT - YHZ

No leg room plane was so small no room to move no room to sit squat in your seat my legs were so swollen up at the end of flight

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.

  • 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.

  • What is the cheapest month to book a flight from Illinois to Sydney, Nova Scotia?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Sydney, Nova Scotia (average of C$ 375). Flying from Illinois to Sydney, Nova Scotia in December is currently the most expensive (average of C$ 682). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fly with Cheapflights

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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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