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Cheap flights from Ontario to Sydney from C$ 838

YYZ — SYD
7 Oct — 14 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Sydney

Mon 26/109:35 a.m. -
3 stops36h 00m
Sun 8/112:00 p.m. -
3 stops31h 00m
Deal found 3/9C$ 1,364
Mon 19/104:40 p.m. -
2 stops29h 10m
Sun 1/112:00 p.m. -
2 stops25h 16m
Deal found 3/9C$ 1,444
Wed 21/1010:25 a.m. -
2 stops35h 25m
Thu 5/112:00 p.m. -
2 stops32h 41m
Deal found 3/9C$ 1,450
Thu 5/115:30 p.m. -
2 stops27h 05m
Sun 15/112:00 p.m. -
2 stops27h 21m
Deal found 3/9C$ 1,465
Sun 1/112:05 p.m. -
2 stops30h 30m
Sun 15/112:00 p.m. -
2 stops27h 21m
Deal found 3/9C$ 1,473
Tue 20/1011:05 a.m. -
1 stop29h 25m
Tue 27/102:00 p.m. -
2 stops46h 18m
Deal found 4/9C$ 1,566
Sat 26/911:00 a.m. -
1 stop30h 30m
Tue 27/102:00 p.m. -
2 stops46h 18m
Deal found 4/9C$ 1,595
Sun 18/101:40 a.m. -
1 stop40h 20m
Sun 1/1111:30 a.m. -
1 stop26h 30m
Deal found 5/9C$ 1,617
Mon 19/106:10 a.m. -
3 stops39h 40m
Mon 26/102:00 p.m. -
3 stops31h 35m
Deal found 6/9C$ 1,706
Mon 19/106:55 a.m. -
2 stops36h 30m
Mon 26/109:45 p.m. -
2 stops42h 11m
Deal found 4/9C$ 1,819
Mon 14/99:45 a.m. -
2 stops33h 40m
Mon 19/109:45 p.m. -
2 stops41h 54m
Deal found 6/9C$ 1,829
Wed 21/107:15 a.m. -
3 stops38h 35m
Wed 28/102:00 p.m. -
3 stops40h 50m
Deal found 5/9C$ 1,833

Find flight deals from Ontario to Sydney

Round-trip from

C$ 1,364

One-way from

C$ 838

Popular in

December

Cheapest in

May

Average price

C$ 2,106

Good round-trip deal

C$ 2,170 or less

Good one-way deal

C$ 1,781 or less
26/10-8/11
  • 26/10-8/11
  • 6 total stops
  • 67h 00m total
  • Ontario to Sydney
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18/10-31/12
  • 18/10-31/12
  • 3 total stops
  • 51h 40m total
  • Ontario to Sydney
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Highest demand for flights based on searches. 10% potential increase in price (C$ 370 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 78 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Ontario to Sydney Kingsford Smith.
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Price to beat on a one-way flight from Ontario to Sydney Kingsford Smith.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ontario to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HamiltonSydney

YHM Hamilton - SYD Sydney Kingsford Smith

YHMSYD

Hamilton

Wed 21/10

6:10 p.m.-7:30 a.m.

2 stops46h 20m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 899

TorontoSydney

YKF Toronto Region of Waterloo Intl - SYD Sydney Kingsford Smith

YKFSYD

Toronto Region of Waterloo Intl

Mon 19/10

8:40 p.m.-7:30 a.m.

2 stops43h 50m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 901

Thunder BaySydney

YQT Thunder Bay - SYD Sydney Kingsford Smith

YQTSYD

Thunder Bay

Tue 20/10

6:30 a.m.-7:30 a.m.

2 stops34h 00m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 903

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

6:45 a.m.-7:30 a.m.

3 stops33h 45m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 909

LondonSydney

YXU London - SYD Sydney Kingsford Smith

YXUSYD

London

Wed 21/10

6:10 a.m.-7:30 a.m.

3 stops58h 20m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 917

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Mon 7/12

6:10 a.m.-6:25 a.m.

3 stops56h 15m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 920

MontrealSydney

YUL Montreal Pierre Elliott Trudeau Intl - SYD Sydney Kingsford Smith

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 25/11

6:45 a.m.-6:25 a.m.

2 stops31h 40m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 921

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Sat 31/10

7:00 a.m.-6:25 a.m.

2 stops32h 25m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 927

TorontoSydney

YYZ Toronto Pearson Intl - SYD Sydney Kingsford Smith

YYZSYD

Toronto Pearson Intl

Sat 17/10

11:10 p.m.-7:30 a.m.

3 stops41h 20m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 928

OttawaSydney

YOW Ottawa - SYD Sydney Kingsford Smith

YOWSYD

Ottawa

Sat 5/12

7:00 a.m.-6:25 a.m.

3 stops55h 25m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-9:00 a.m.

Nonstop0h 00m

C$ 930

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Ontario with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ontario to Sydney

What is the cheapest month to book a flight from Region of Ontario to Sydney?

Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of C$ 1,944). Flying from Region of Ontario to Sydney in December is currently the most expensive (average of C$ 2,712). 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.

What is the cheapest time of day to fly from ON to SYD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Sydney as you normally would.

How much does it cost to fly round-trip from Region of Ontario to Sydney?

Airfare is below average for this route at the moment.
Region of Ontario to Sydney flights typically cost between C$ 1,854 and C$ 2,351 in October.
The cheapest round-trip price found within the last 5 days was C$ 1,364 on Multiple Airlines (26 Oct-8 Nov).

How far ahead should I book a flight from Region of Ontario to Sydney?

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Region of Ontario to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

  • What airport do you fly into for flights to Sydney from Ontario?

    For a flight from Ontario to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.

  • How long is the flight from Region of Ontario to Sydney?

    For as low as C$ 2,153, Qatar Airways can have you in Sydney from Region of Ontario in 23h 55m. The distance from Region of Ontario to Sydney is about 15862 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Region of Ontario to Sydney one-way?

    The cheapest airlines for a one-way flight from Region of Ontario to Sydney are Delta (C$ 695), Cathay Pacific (C$ 1,062), and Air New Zealand (C$ 1,065).

  • What are the most popular routes from Region of Ontario to Sydney?

    While some choose either Montreal Pierre Elliott Trudeau Intl - Sydney Kingsford Smith or Toronto Island - Sydney Kingsford Smith, Toronto Pearson Intl - Sydney Kingsford Smith is the most popular route from Region of Ontario to Sydney.

  • What are the cheapest flights from Region of Ontario to Sydney?

    Looking for the cheapest flight from Region of Ontario to Sydney? While on average our users pay C$ 2,240, our data indicates the cheapest price to be C$ 1,565. The most popular route (Toronto Pearson Intl - Sydney Kingsford Smith), is priced around C$ 1,533.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario 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 Region of Ontario to Sydney?

    Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of C$ 1,944). Flying from Region of Ontario to Sydney in December is currently the most expensive (average of C$ 2,712). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Parramatta

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Ontario to Sydney

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 207AverageC$ 439FlexibilityNo cancel feeOn-time60%
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Porter AirlinesCheapestC$ 275AverageC$ 402FlexibilityNo cancel feeOn-time52%
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American AirlinesCheapestC$ 395AverageC$ 1,353FlexibilityNo cancel feeOn-time71%
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DeltaCheapestC$ 479AverageC$ 1,357FlexibilityNo cancel feeOn-timeN/A
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Fiji AirwaysCheapestC$ 957AverageC$ 1,305FlexibilityNo cancel feeOn-time74%
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Qantas AirwaysCheapestC$ 1,161AverageC$ 1,850FlexibilityNo cancel feeOn-time74%
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United AirlinesCheapestC$ 1,456AverageC$ 2,182FlexibilityNo cancel feeOn-time69%
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Cathay PacificCheapestC$ 1,531AverageC$ 2,194FlexibilityNo cancel feeOn-time72%
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Air New ZealandCheapestC$ 1,681AverageC$ 2,184FlexibilityNo cancel feeOn-time78%
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Air CanadaCheapestC$ 1,716AverageC$ 2,429FlexibilityNo cancel feeOn-time67%
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Fly with Cheapflights

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

When you search for this flight from Ontario to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario 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 Ontario to Sydney.

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

Need flexible booking options for your flight to Sydney from Ontario? 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 Ontario to Sydney become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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