Find flights
Deals
When to book
FAQs

Cheap flights from Ontario to Sydney from $891

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Sydney

Keep the following information in mind while searching for Ontario to Sydney flight deals. Data was last updated 29 October 2025.

Round-trip from

$1,733

One-way from

$891

Popular in

December

Cheapest in

April

Average price

$2,361
15/11-25/11
  • 15/11-25/11
  • 4 total stops
  • 53h 30m total
  • Ontario to Sydney
Search Deals
3/12
  • 3/12
  • 3 total stops
  • 59h 05m total
  • Ontario to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($432 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($86 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Ontario to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Sydney
Explore the most affordable flight options available from Ontario to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Sat 15/1116:55YYZ - SYD
2 stops27h 35mMultiple Airlines
Tue 25/1114:10SYD - YYZ
2 stops25h 55mMultiple Airlines
Deal found 27/10$1,733
Sat 6/1216:55YYZ - SYD
2 stops35h 20mMultiple Airlines
Tue 27/114:00SYD - YYZ
3 stops32h 58mMultiple Airlines
Deal found 28/10$1,803
Wed 3/1210:00YYZ - SYD
1 stop29h 25mMultiple Airlines
Wed 14/111:20SYD - YYZ
1 stop26h 02mMultiple Airlines
Deal found 26/10$1,806
Sun 7/1208:00YYZ - SYD
2 stops33h 00mMultiple Airlines
Mon 15/1211:20SYD - YYZ
2 stops29h 18mMultiple Airlines
Deal found 28/10$1,832
Sat 22/1106:30YYZ - SYD
2 stops34h 30mMultiple Airlines
Wed 3/1211:20SYD - YYZ
2 stops29h 18mMultiple Airlines
Deal found 26/10$1,868
Tue 11/1108:00YYZ - SYD
1 stop31h 25mMultiple Airlines
Tue 25/1117:45SYD - YYZ
1 stop22h 20mMultiple Airlines
Deal found 26/10$1,889
Tue 25/1109:00YYZ - SYD
2 stops30h 25mMultiple Airlines
Tue 2/1217:45SYD - YYZ
1 stop28h 55mMultiple Airlines
Deal found 28/10$1,906
Sun 7/1210:00YYZ - SYD
1 stop29h 25mMultiple Airlines
Sun 21/1217:45SYD - YYZ
2 stops28h 35mMultiple Airlines
Deal found 28/10$1,941
Sun 7/1207:45YOW - SYD
1 stop33h 50mAir Canada
Mon 22/1216:00SYD - YOW
1 stop39h 45mAir Canada
Deal found 26/10$1,972
Sat 6/1215:30YTZ - SYD
2 stops26h 05mAir Canada
Mon 19/111:20SYD - YTZ
2 stops22h 53mAir Canada
Deal found 28/10$2,031
Mon 8/1206:45YOW - SYD
2 stops34h 15mMultiple Airlines
Mon 15/1211:20SYD - YOW
2 stops29h 21mMultiple Airlines
Deal found 28/10$2,101
Sun 7/1206:45YOW - SYD
2 stops32h 40mMultiple Airlines
Mon 22/1211:20SYD - YOW
2 stops29h 21mMultiple Airlines
Deal found 28/10$2,159

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario 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 647,157 searches. Data last updated 29 October 2025.
Use the filters below to find and compare flights from Ontario to Sydney that are best for you.

Fly from

Ontario

Fly to

Sydney

Route

Depart

Return

Price

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 7/12

07:45-09:35

1 stop33h 50m

Sydney Kingsford Smith

Mon 22/12

16:00-15:45

1 stop39h 45m

$1,972

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Thu 13/11

00:35-20:50

1 stop28h 15m

Sydney Kingsford Smith

Wed 26/11

15:15-12:15

1 stop37h 00m

$2,075

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Fri 14/11

13:55-20:50

1 stop38h 55m

Sydney Kingsford Smith

Sun 23/11

15:15-21:00

1 stop45h 45m

$2,075

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Mon 24/11

16:45-19:45

2 stops59h 00m

Sydney Kingsford Smith

Sun 7/12

21:40-15:35

2 stops33h 55m

$2,211

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 24/11

06:00-09:00

2 stops35h 00m

Sydney Kingsford Smith

Mon 1/12

11:20-16:53

2 stops45h 33m

$2,220

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Tue 18/11

16:45-19:45

2 stops35h 00m

Sydney Kingsford Smith

Sun 7/12

21:40-15:35

2 stops33h 55m

$2,250

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Mon 24/11

16:45-19:45

2 stops59h 00m

Sydney Kingsford Smith

Tue 2/12

21:40-15:35

2 stops57h 55m

$2,293

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Fri 6/3

20:50-06:50

1 stop42h 00m

Sydney Kingsford Smith

Sat 28/3

15:50-14:45

1 stop37h 55m

$2,319

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Thu 11/12

07:45-09:35

2 stops33h 50m

Sydney Kingsford Smith

Thu 18/12

11:20-22:10

2 stops26h 50m

$2,322

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 24/11

14:15-09:15

2 stops27h 00m

Sydney Kingsford Smith

Mon 1/12

11:20-21:18

2 stops25h 58m

$2,351

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 60 results
1
2
3
...
6

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 return 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 Ontario to Sydney

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

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of $336). Flying from Region of Ontario to Sydney in January is currently the most expensive (average of $1,602). 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?

Find hourly flight availability from Ontario to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 October 2025.

It’s typically best to fly out from Region of Ontario to Sydney in the morning. Doing so could potentially save you 30% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Region of Ontario to Sydney?

Use this chart to determine the cheapest time to fly return from Ontario to Sydney. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Region of Ontario to Sydney flight should consider departing on Sunday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight from Region of Ontario to Sydney?

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 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 $2,075, Air Canada can have you in Sydney from Region of Ontario in 28h 15m. The distance from Region of Ontario to Sydney is about 15545 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    $1,299 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on WestJet and United Airlines, with prices starting from $1,311 and $2,057, respectively.

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

    The most popular route from Region of Ontario to Sydney is Toronto Pearson Intl - Sydney Kingsford Smith. You may also consider Toronto Island - Sydney Kingsford Smith or Montreal Pierre Elliott Trudeau Intl - Sydney Kingsford Smith.

  • 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 holiday 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, September is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of $336). Flying from Region of Ontario to Sydney in January is currently the most expensive (average of $1,602). 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
Parramatta
Wollongong
Katoomba
Penrith
Manly
Terrigal
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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.

Top 4 airlines flying from Ontario to Sydney

Discover the top 4 airlines that operate flights from Ontario to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 29 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,345Average$2,322FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,559Average$2,447FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,615Average$2,426FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapest$1,941Average$2,178FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Ontario 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 Ontario 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 Ontario.

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

Certainly. Search results for flights to Sydney from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.