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$662+ Cheap flights from O'Hare Intl (ORD) to Sydney, NS (YQY)

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YQY
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This Air Canada deal was found by Cheapflights users on 1/25. 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 3/1112:50 pm
ORD
-
YQY
1 stop8h 03m
Air Canada
Wed 3/185:20 am
YQY
-
ORD
1 stop7h 58m
Air Canada
Deal found 1/25$662
This Air Canada deal was found by Cheapflights users on 1/25. 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.
Thu 2/263:35 pm
ORD
-
YQY
2 stops17h 57m
Air Canada
Mon 3/25:20 am
YQY
-
ORD
1 stop7h 58m
Air Canada
Deal found 1/25$706
This Air Canada deal was found by Cheapflights users on 1/25. 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 2/153:35 pm
ORD
-
YQY
1 stop5h 48m
Air Canada
Thu 2/195:20 am
YQY
-
ORD
1 stop7h 46m
Air Canada
Deal found 1/25$749
This Air Canada deal was found by Cheapflights users on 1/25. 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.
Sat 6/208:45 am
ORD
-
YQY
1 stop5h 54m
Air Canada
Fri 6/265:05 am
YQY
-
ORD
1 stop16h 42m
Air Canada
Deal found 1/25$803

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$662
(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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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 January 27, 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

O'Hare Intl

Fly to

Sydney

Route

Depart

Return

Price

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 3/11

12:50 pm-10:53 pm

1 stop8h 03m

Sydney

Wed 3/18

12:15 pm-8:10 pm

2 stops9h 55m

$670

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 2/26

3:35 pm-11:32 am

2 stops17h 57m

Sydney

Mon 3/2

5:20 am-11:18 am

1 stop7h 58m

$706

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 2/15

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Thu 2/19

5:20 am-11:06 am

1 stop7h 46m

$749

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 6/21

8:45 am-4:39 pm

1 stop5h 54m

Sydney

Fri 6/26

5:05 am-2:55 pm

1 stop11h 50m

$803

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 6/20

8:45 am-4:39 pm

1 stop5h 54m

Sydney

Sat 6/27

5:05 am-1:22 pm

1 stop10h 17m

$803

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 6/20

8:45 am-4:39 pm

1 stop5h 54m

Sydney

Fri 6/26

5:05 am-7:47 pm

1 stop16h 42m

$803

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • 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 $670, Air Canada can have you in Sydney, Nova Scotia from Chicago O'Hare Intl Airport in 8h 03m. 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

See prices for flight routes from nearby airports that may be better suited for you.
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