Find flights
When to book
FAQs

Cheap flights from Illinois to Sydney, NS from C$ 722

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
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 722
10/10-17/10
  • 10/10-17/10
  • 3 total stops
  • 54h 04m 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 15 September 2025.

Fri 10/105:30 p.m.ORD - YQY
1 stop23h 21mMultiple Airlines
Fri 17/1012:00 p.m.YQY - ORD
2 stops30h 43mMultiple Airlines
Deal found 14/9C$ 722
Thu 13/113:35 p.m.ORD - YQY
1 stop4h 54mAir Canada
Thu 20/115:30 a.m.YQY - ORD
1 stop7h 48mAir Canada
Deal found 14/9C$ 960
Fri 10/108:25 p.m.ORD - YQY
2 stops17h 23mAir Canada
Fri 17/104:30 p.m.YQY - ORD
2 stops18h 39mAir Canada
Deal found 14/9C$ 1,127
Wed 8/109:55 a.m.ORD - YQY
1 stop12h 40mAir Canada
Tue 14/105:15 a.m.YQY - ORD
2 stops20h 15mAir Canada
Deal found 15/9C$ 1,992

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 15 September 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 p.m.-6:51 p.m.

1 stop23h 21m

Sydney

Fri 17/10

12:00 p.m.-4:43 p.m.

2 stops30h 43m

C$ 722

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 13/11

3:35 p.m.-10:29 p.m.

1 stop4h 54m

Sydney

Thu 20/11

5:30 a.m.-11:18 a.m.

1 stop7h 48m

C$ 960

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 10/10

8:25 p.m.-3:48 p.m.

2 stops17h 23m

Sydney

Fri 17/10

4:30 p.m.-9:09 a.m.

2 stops18h 39m

C$ 1,127

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 8/10

9:55 a.m.-12:35 a.m.

1 stop12h 40m

Sydney

Tue 14/10

5:15 a.m.-11:30 p.m.

2 stops20h 15m

C$ 1,992

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

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 4h 54m. 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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Halifax flights
Boston to Halifax flights
LaGuardia to Halifax flights
John F Kennedy Intl to Halifax flights
O'Hare Intl to Halifax flights
Philadelphia to Halifax flights
Dulles Intl to Halifax flights
Orlando to Halifax flights
Santa Rosa to Halifax flights
Baltimore to Halifax flights
Buffalo to Halifax flights
Raleigh to Halifax flights
Denver to Halifax flights
Seattle to Halifax flights
San Francisco to Halifax flights
Los Angeles to Halifax flights
St. Louis to Halifax flights
Tampa to Halifax flights
O'Hare Intl to Charlottetown flights
Detroit to Halifax flights
Fort Lauderdale to Halifax flights
West Palm Beach to Halifax flights
Louisville to Halifax flights
Charlotte to Halifax flights
George Bush Intcntl to Halifax flights
Kansas City to Halifax flights
Portland to Halifax flights
Savannah to Halifax flights
Atlanta to Halifax flights
Hartford to Halifax flights
Minneapolis to Halifax flights
Boston to Sydney flights
Boston to Charlottetown flights
Knoxville to Halifax flights
Newark to Moncton flights
LaGuardia to Moncton flights
Austin to Halifax flights
Cincinnati to Halifax flights
John F Kennedy Intl to Moncton flights
Newark to Charlottetown flights
Cleveland to Halifax flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.