Find flights
When to book
Airlines
FAQs

Cheap flights from Illinois to Sydney, NS from C$ 455

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQY
7 Apr — 14 Apr1
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 2 April 2025.

Round-trip from

C$ 813

One-way from

C$ 455
Air Canada
  • Air Canada
  • 16/5-23/5
  • 3 total stops
  • 21h 46m total
  • Illinois to Sydney
Search Deals
Air Canada
  • Air Canada
  • 25/6
  • 1 total stop
  • 5h 07m 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 2 April 2025.

Fri 16/58:40 a.m.ORD - YQY
1 stop5h 09mAir Canada
Fri 23/54:30 p.m.YQY - ORD
1 stop5h 42mAir Canada
Deal found 31/3C$ 813
Fri 16/58:40 a.m.ORD - YQY
2 stops13h 19mMultiple Airlines
Fri 23/58:00 a.m.YQY - ORD
2 stops11h 24mMultiple Airlines
Deal found 31/3C$ 859

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 2 April 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 16/5

8:40 a.m.-3:49 p.m.

1 stop5h 09m

Sydney

Fri 23/5

4:30 p.m.-8:12 p.m.

1 stop5h 42m

C$ 813

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 16/5

8:40 a.m.-11:59 p.m.

2 stops13h 19m

Sydney

Fri 23/5

8:00 a.m.-5:24 p.m.

2 stops11h 24m

C$ 859

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 25/6

8:40 a.m.-3:47 p.m.

1 stop5h 07m

C$ 455

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 25/6

7:07 a.m.-7:30 p.m.

3 stops34h 23m

C$ 560

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

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

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney, Nova Scotia ranges from 89.0 - 167.0 mm per month. December is typically the wettest month, when rainfall can reach 167.0 mm. July is typically the driest time to visit Sydney, Nova Scotia when rainfall is around 89.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, Nova Scotia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

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 2 April 2025.
Air Canada
7.0
Good
9,022 reviews
Check prices

Entertainment

6.8

Overall

7.0

Boarding

7.3

Comfort

7.0

Food

6.2

Crew

7.8

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
7.0
Good
9,022 reviews
Air Canada
7.0
Good
9,022 reviews
Check prices

Entertainment

6.8

Overall

7.0

Boarding

7.3

Comfort

7.0

Food

6.2

Crew

7.8

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

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.
Boston to Halifax flights
Newark to Halifax flights
LaGuardia to Halifax flights
John F Kennedy Intl to Halifax flights
O'Hare Intl to Halifax flights
Dulles Intl to Halifax flights
Baltimore to Halifax flights
Philadelphia to Halifax flights
Los Angeles to Halifax flights
Minneapolis to Halifax flights
Orlando to Halifax flights
Dallas/Fort Worth to Halifax flights
Boston to Charlottetown flights
San Francisco to Halifax flights
Newark to Charlottetown flights
Syracuse to Halifax flights
Charlotte to Halifax flights
Dulles Intl to Charlottetown flights
Tampa to Halifax flights
Detroit to Halifax flights
LaGuardia to Charlottetown flights
Atlanta to Halifax flights
Indianapolis to Halifax flights
George Bush Intcntl to Halifax flights
O'Hare Intl to Charlottetown flights
Cleveland to Halifax flights
Denver to Halifax flights
Detroit to Charlottetown flights
Seattle to Halifax flights
Richmond to Halifax flights
Sky Harbor Intl to Halifax flights
Baltimore to Charlottetown flights
Boston to St John flights
Fort Lauderdale to Halifax flights
Buffalo to Halifax flights
Raleigh to Halifax flights
Los Angeles to Charlottetown flights
Fort Myers to Halifax flights
Pittsburgh to Halifax flights
Nashville to Halifax flights
Atlanta to Charlottetown 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.