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Cheap flights from Chicago to Sydney, NS from C$ 899

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YQY
4 Apr — 11 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chicago to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Chicago to Sydney
Explore the most affordable flight options available from Chicago to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 March 2026.

Sun 15/38:40 p.m.
ORD
-
YQY
1 stop12h 52m
Air Canada
Thu 19/35:20 a.m.
YQY
-
ORD
1 stop7h 58m
Air Canada
Deal found 28/2C$ 899
Sat 13/68:20 p.m.
ORD
-
YQY
2 stops18h 19m
Air Canada
Wed 17/65:05 a.m.
YQY
-
ORD
1 stop10h 05m
Air Canada
Deal found 1/3C$ 918
Thu 11/67:25 a.m.
ORD
-
YQY
1 stop14h 44m
Air Canada
Sun 14/65:05 a.m.
YQY
-
ORD
1 stop10h 05m
Air Canada
Deal found 1/3C$ 927
Sat 13/68:20 p.m.
ORD
-
YQY
2 stops18h 19m
Air Canada
Tue 16/65:05 a.m.
YQY
-
ORD
1 stop10h 20m
Air Canada
Deal found 1/3C$ 932
Wed 10/62:15 p.m.
ORD
-
YQY
1 stop7h 54m
Air Canada
Wed 17/65:05 a.m.
YQY
-
ORD
2 stops11h 48m
Air Canada
Deal found 1/3C$ 935
Tue 9/68:20 p.m.
ORD
-
YQY
2 stops18h 19m
Air Canada
Sun 14/65:05 a.m.
YQY
-
ORD
1 stop10h 05m
Air Canada
Deal found 1/3C$ 939
Tue 9/68:20 p.m.
ORD
-
YQY
2 stops18h 19m
Air Canada
Tue 16/65:05 a.m.
YQY
-
ORD
1 stop10h 20m
Air Canada
Deal found 1/3C$ 951
Wed 10/66:30 a.m.
ORD
-
YQY
2 stops15h 39m
Air Canada
Tue 16/65:05 a.m.
YQY
-
ORD
1 stop8h 16m
Air Canada
Deal found 1/3C$ 973

Find flight deals from Chicago to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Sydney (YQY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 March 2026.

Round-trip from

C$ 899
Air Canada
  • Air Canada
  • 10/6-17/6
  • 2 total stops
  • 16h 14m total
  • Chicago to Sydney
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 5 March 2026.
Use the filters below to find and compare flights from Chicago to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 15/3

8:40 p.m.-11:32 a.m.

1 stop12h 52m

Sydney

Thu 19/3

5:20 a.m.-11:18 a.m.

1 stop7h 58m

C$ 899

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 11/6

7:25 a.m.-12:09 a.m.

1 stop14h 44m

Sydney

Sat 20/6

5:20 p.m.-7:50 a.m.

1 stop16h 30m

C$ 1,036

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 8/6

9:40 p.m.-12:09 a.m.

2 stops24h 29m

Sydney

Wed 17/6

5:05 a.m.-11:26 p.m.

2 stops20h 21m

C$ 1,044

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 12/6

9:15 p.m.-12:09 a.m.

1 stop24h 54m

Sydney

Tue 16/6

5:05 a.m.-9:50 a.m.

1 stop6h 45m

C$ 1,121

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/2

Sorted by cheapest first

Best time to book a flight from Chicago to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Chicago 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 Chicago 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 Chicago 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 Chicago?

    Sydney (YQY), located 11.2 km from the city centre, is the airport you fly into when you book flights from Chicago to Sydney. 0 airlines have flights to Sydney from Chicago on a regular basis. Booking flights from Chicago to Sydney should not be difficult; the airport handles an average of 0 inbound flights from Chicago per day.

  • How long is the flight from Chicago to Sydney, Nova Scotia?

    Departing from Chicago to Sydney, Nova Scotia will take you 12h 52m. Airlines will cover a distance of 2260 km.

  • Can I find deals for flights from Chicago to Sydney that include hotel bookings?

    Yes. In addition to deals on Chicago to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Sydney.

  • Can I find deals for business class flights from Chicago to Sydney?

    Yes. Cheapflights offers flight deals from Chicago 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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Alternative routes for Chicago to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Halifax flights
O'Hare Intl to Charlottetown flights
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St. Louis to Halifax flights
Moline to Halifax flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Chicago to Sydney?

Cheapflights helps you search for flights from Chicago to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chicago to Sydney.

Can Cheapflights find flights from Chicago to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Chicago to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Chicago 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 Chicago today and book when prices fit your budget.

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