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Cheap flights from Ontario to Sydney from $824

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
25 Feb — 4 Mar1
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
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 26 January 2026.

Mon 9/316:55
YYZ
-
SYD
2 stops28h 40m
Multiple Airlines
Mon 16/306:00
SYD
-
YYZ
2 stops33h 05m
Multiple Airlines
Deal found 23/1$1,437
Tue 24/210:00
YYZ
-
SYD
1 stop31h 00m
Multiple Airlines
Tue 3/307:05
SYD
-
YYZ
2 stops30h 20m
Multiple Airlines
Deal found 25/1$1,440
Wed 25/310:00
YYZ
-
SYD
2 stops35h 35m
Multiple Airlines
Fri 17/413:15
SYD
-
YYZ
3 stops30h 58m
Multiple Airlines
Deal found 23/1$1,649
Tue 10/310:00
YYZ
-
SYD
2 stops35h 35m
Multiple Airlines
Tue 17/314:00
SYD
-
YYZ
3 stops30h 59m
Multiple Airlines
Deal found 24/1$1,653
Mon 9/310:00
YYZ
-
SYD
2 stops35h 35m
Multiple Airlines
Tue 17/314:00
SYD
-
YYZ
2 stops31h 35m
Multiple Airlines
Deal found 23/1$1,665
Tue 10/210:00
YYZ
-
SYD
1 stop29h 25m
Multiple Airlines
Tue 28/413:15
SYD
-
YYZ
2 stops46h 07m
Multiple Airlines
Deal found 22/1$1,671
Mon 9/313:15
YKF
-
SYD
3 stops32h 20m
Multiple Airlines
Mon 16/314:00
SYD
-
YKF
3 stops30h 29m
Multiple Airlines
Deal found 24/1$1,805
Mon 9/312:30
YTZ
-
SYD
2 stops29h 05m
Air Canada
Mon 16/310:25
SYD
-
YTZ
2 stops36h 28m
Air Canada
Deal found 24/1$1,810
Mon 2/311:15
YKF
-
SYD
3 stops33h 20m
Multiple Airlines
Mon 16/314:00
SYD
-
YKF
3 stops30h 29m
Multiple Airlines
Deal found 24/1$1,833
Tue 10/312:00
YOW
-
SYD
3 stops33h 35m
Multiple Airlines
Tue 17/314:00
SYD
-
YOW
3 stops34h 23m
Multiple Airlines
Deal found 23/1$1,839
Sun 22/212:30
YTZ
-
SYD
2 stops29h 05m
Air Canada
Mon 9/311:20
SYD
-
YTZ
2 stops45h 50m
Air Canada
Deal found 24/1$1,844
Wed 27/515:35
YTZ
-
SYD
2 stops25h 45m
Air Canada
Tue 2/609:20
SYD
-
YTZ
2 stops24h 32m
Air Canada
Deal found 25/1$1,869

Find flight deals from Ontario to Sydney

Keep the following information in mind while searching for Ontario to Sydney flight deals. Data was last updated 26 January 2026.

Round-trip from

$1,437

One-way from

$824

Popular in

December

Cheapest in

April

Average price

$2,515
9/3-16/3
  • 9/3-16/3
  • 4 total stops
  • 61h 45m total
  • Ontario to Sydney
Search Deals
20/3
  • 20/3
  • 3 total stops
  • 38h 50m total
  • Ontario to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($290 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($73 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 26 January 2026.
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

TorontoSydney

YKF - SYD

YKFSYD

Toronto Region of Waterloo Intl

Mon 9/3

13:15-12:35

3 stops32h 20m

Sydney Kingsford Smith

Mon 16/3

14:00-05:29

3 stops30h 29m

$1,805

TorontoSydney

YKF - SYD

YKFSYD

Toronto Region of Waterloo Intl

Mon 2/3

11:15-12:35

3 stops33h 20m

Sydney Kingsford Smith

Mon 16/3

14:00-05:29

3 stops30h 29m

$1,833

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Sun 22/2

12:30-09:35

2 stops29h 05m

Sydney Kingsford Smith

Mon 9/3

11:20-18:10

2 stops45h 50m

$1,844

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Mon 9/3

10:25-08:35

2 stops31h 10m

Sydney Kingsford Smith

Fri 13/3

10:20-21:20

2 stops26h 00m

$1,892

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 23/3

06:00-06:35

2 stops33h 35m

Sydney Kingsford Smith

Mon 27/4

20:30-05:40

2 stops23h 10m

$1,926

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Thu 30/4

14:00-06:35

1 stop26h 35m

Sydney Kingsford Smith

Mon 11/5

12:00-22:55

1 stop24h 55m

$2,010

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

06:45-06:35

3 stops33h 50m

Sydney Kingsford Smith

Sun 17/5

21:25-11:44

2 stops28h 19m

$2,023

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

06:45-08:15

3 stops33h 30m

Sydney Kingsford Smith

Mon 23/2

20:30-07:05

2 stops26h 35m

$2,027

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Fri 20/3

08:50-08:35

2 stops56h 45m

Sydney Kingsford Smith

Sat 18/4

09:20-13:17

2 stops41h 57m

$2,036

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

15:45-09:00

2 stops49h 15m

Sydney Kingsford Smith

Mon 9/3

20:30-07:05

2 stops25h 35m

$2,052

Flights are sorted by cheapest return flights first.

Deals found on 25/1

Showing 1-10 of 60 results
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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 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 $314). Flying from Region of Ontario to Sydney in November is currently the most expensive (average of $1,321). 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 26 January 2026.

When flying from Region of Ontario to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 $1,844, Air Canada can have you in Sydney from Region of Ontario in 29h 05m. The distance from Region of Ontario to Sydney is about 15562 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?

    $1,072 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 Cathay Pacific, with prices starting from $1,179 and $1,189, 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 Montreal Pierre Elliott Trudeau Intl - Sydney Kingsford Smith or Toronto Island - 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 $314). Flying from Region of Ontario to Sydney in November is currently the most expensive (average of $1,321). 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
Penrith
Manly
Katoomba
Terrigal
Lithgow
Leura
Coogee
Cronulla
Randwick
Bondi Beach

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 26 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$440Average$2,445FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,266Average$2,191FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,485Average$2,259FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Cathay PacificCheapest$1,887Average$2,672FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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.

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