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$379+ Cheap flights from O'Hare Intl (ORD) to Sydney, NS (YQY)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQY
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Sydney

Cheapest flights from O'Hare Intl to Sydney
Explore the most affordable flight options available from O'Hare Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This Air Canada deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:45 pm
ORD
-
YQY
1 stop7h 00m
Air Canada
Wed 10/215:05 am
YQY
-
ORD
1 stop6h 43m
Air Canada
Deal found 7/18$823
This Air Canada deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:45 pm
ORD
-
YQY
1 stop7h 00m
Multiple Airlines
Mon 9/215:05 am
YQY
-
ORD
1 stop6h 48m
Multiple Airlines
Deal found 7/20$836
This Air Canada deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:05 am
ORD
-
YQY
2 stops11h 40m
Air Canada
Mon 9/215:05 am
YQY
-
ORD
2 stops11h 47m
Air Canada
Deal found 7/20$843
This Air Canada deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:11 am
ORD
-
YQY
1 stop7h 09m
Multiple Airlines
Wed 8/265:05 am
YQY
-
ORD
1 stop6h 48m
Multiple Airlines
Deal found 7/20$852
This Air Canada deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:40 am
ORD
-
YQY
1 stop5h 40m
Multiple Airlines
Fri 8/285:10 pm
YQY
-
ORD
1 stop16h 41m
Multiple Airlines
Deal found 7/22$878
This Air Canada deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:45 pm
ORD
-
YQY
1 stop6h 27m
Air Canada
Mon 8/315:05 am
YQY
-
ORD
2 stops11h 39m
Air Canada
Deal found 7/18$880
This Air Canada deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:45 pm
ORD
-
YQY
1 stop6h 27m
Multiple Airlines
Mon 8/315:10 pm
YQY
-
ORD
1 stop16h 41m
Multiple Airlines
Deal found 7/18$882
This deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:40 am
ORD
-
YQY
1 stop5h 40m
Air Canada
Sat 9/55:05 am
YQY
-
ORD
1 stop10h 17m
Air Canada
Deal found 7/21$883

Find flight deals from O'Hare Intl to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$823
(Air Canada)

One-way from

$379
(Air Canada)
Provider with most accurate pricing for Chicago O'Hare Intl-Sydney flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Sydney flights.
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From Chicago O'Hare Intl to Sydney
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One-way flight from Chicago O'Hare Intl to Sydney
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 2,558,603 searches. Data last updated July 23, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 10/20

3:45 pm-12:45 am

1 stop7h 00m

Sydney

Wed 10/21

5:05 am-9:48 am

1 stop6h 43m

$823

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 9/20

3:45 pm-12:45 am

1 stop7h 00m

Sydney

Mon 9/21

5:05 am-9:53 am

1 stop6h 48m

$836

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 9/20

11:05 am-12:45 am

2 stops11h 40m

Sydney

Mon 9/21

5:05 am-2:52 pm

2 stops11h 47m

$843

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 8/18

3:45 pm-12:12 am

1 stop6h 27m

Sydney

Mon 8/31

5:05 am-2:44 pm

2 stops11h 39m

$880

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 8/18

3:45 pm-12:12 am

1 stop6h 27m

Sydney

Mon 8/31

5:10 pm-7:51 am

1 stop16h 41m

$882

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 8/29

8:40 am-4:20 pm

1 stop5h 40m

Sydney

Sat 9/5

5:05 am-1:22 pm

1 stop10h 17m

$883

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 8/21

11:05 am-12:12 am

2 stops11h 07m

Sydney

Fri 8/28

5:10 pm-7:51 am

1 stop16h 41m

$886
Cheapest one-way

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 9/10

11:05 am-12:45 am

2 stops11h 40m

$382
Quickest one-way

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 8/15

7:11 am-4:20 pm

1 stop7h 09m

$389

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 8/15

8:40 am-12:12 am

2 stops13h 32m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Sydney, Nova Scotia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Sydney, Nova Scotia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Sydney, Nova Scotia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Sydney, Nova Scotia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Sydney, Nova Scotia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from O'Hare Intl 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.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    If you book a flight to Sydney from Chicago O'Hare Intl, you will be flying to Sydney, which is the city’s only airport. Sydney (YQY) is located 7.0 mi from the center of Sydney. There are 0 flights from Chicago O'Hare Intl to Sydney per day from 0 different airlines.

  • How long is the flight from Chicago O'Hare Intl Airport to Sydney, Nova Scotia?

    For as low as $823, Air Canada can have you in Sydney, Nova Scotia from Chicago O'Hare Intl Airport in 7h. The distance between Chicago O'Hare Intl Airport and Sydney, Nova Scotia is about 1404 mi.

  • Can I find deals for flights from O'Hare Intl to Sydney that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Sydney?

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

  • Can I find deals for business class flights from O'Hare Intl to Sydney?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl to Sydney

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O'Hare Intl to Halifax flights

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