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Cheap flights from Ontario to Sydney from $887

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
11 Dec — 18 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 11 November 2025.

Round-trip from

$1,732

One-way from

$887

Popular in

December

Cheapest in

April

Average price

$2,359
Delta
  • Delta
  • 20/3-10/4
  • 4 total stops
  • 59h 20m total
  • Ontario to Sydney
Search Deals
Delta
  • Delta
  • 18/1
  • 2 total stops
  • 32h 50m total
  • Ontario to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($431 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($83 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 11 November 2025.

Tue 25/1110:00YYZ - SYD
1 stop31h 00mMultiple Airlines
Tue 9/1211:20SYD - YYZ
1 stop26h 03mMultiple Airlines
Deal found 9/11$1,884
Mon 10/1100:35YYZ - SYD
1 stop28h 15mCathay Pacific
Tue 18/1108:45SYD - YYZ
1 stop28h 15mCathay Pacific
Deal found 9/11$1,899
Mon 24/1110:00YYZ - SYD
1 stop29h 25mMultiple Airlines
Mon 8/1211:20SYD - YYZ
1 stop26h 03mMultiple Airlines
Deal found 8/11$1,902
Wed 12/1100:35YYZ - SYD
1 stop28h 15mCathay Pacific
Wed 26/1122:20SYD - YYZ
1 stop29h 55mCathay Pacific
Deal found 10/11$1,907
Sun 9/1100:35YYZ - SYD
1 stop28h 15mCathay Pacific
Mon 17/1108:45SYD - YYZ
1 stop28h 15mCathay Pacific
Deal found 9/11$1,908
Tue 2/1210:00YYZ - SYD
1 stop29h 25mMultiple Airlines
Sat 13/1211:20SYD - YYZ
1 stop26h 03mMultiple Airlines
Deal found 8/11$1,930
Fri 21/1113:55YYZ - SYD
1 stop38h 55mCathay Pacific
Wed 3/1215:15SYD - YYZ
1 stop37h 00mCathay Pacific
Deal found 9/11$1,944
Tue 2/1210:00YYZ - SYD
2 stops34h 35mMultiple Airlines
Sat 6/1214:00SYD - YYZ
2 stops23h 23mMultiple Airlines
Deal found 9/11$1,954
Mon 10/1113:55YYZ - SYD
1 stop27h 40mCathay Pacific
Sun 16/1122:20SYD - YYZ
1 stop29h 55mCathay Pacific
Deal found 8/11$1,956
Thu 20/1106:30YYZ - SYD
2 stops60h 25mMultiple Airlines
Thu 27/1121:40SYD - YYZ
2 stops48h 28mMultiple Airlines
Deal found 8/11$1,973
Sat 6/1218:45YYZ - SYD
1 stop22h 50mAir Canada
Sat 13/1211:20SYD - YYZ
1 stop24h 15mAir Canada
Deal found 8/11$1,974
Sat 6/1212:30YYZ - SYD
1 stop26h 25mAir Canada
Tue 27/111:20SYD - YYZ
1 stop20h 49mAir Canada
Deal found 8/11$1,976

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 11 November 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

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Wed 11/2

12:21-08:30

2 stops28h 09m

Sydney Kingsford Smith

Tue 24/2

14:15-23:59

2 stops25h 44m

$1,749

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Thu 26/2

07:45-08:30

2 stops32h 45m

Sydney Kingsford Smith

Sun 8/3

10:40-21:55

2 stops27h 15m

$1,833

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Sun 1/2

07:00-09:35

2 stops34h 35m

Sydney Kingsford Smith

Fri 20/2

11:20-21:35

2 stops26h 15m

$2,007

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Thu 2/4

15:35-08:20

2 stops25h 45m

Sydney Kingsford Smith

Fri 10/4

09:20-18:15

2 stops22h 55m

$2,045

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Wed 25/3

01:35-20:50

1 stop28h 15m

Sydney Kingsford Smith

Mon 13/4

07:40-13:50

1 stop44h 10m

$2,046

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Tue 2/12

10:30-06:55

2 stops28h 25m

Sydney Kingsford Smith

Thu 11/12

16:00-11:42

2 stops35h 42m

$2,066

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Sun 23/11

12:30-09:35

2 stops29h 05m

Sydney Kingsford Smith

Sun 7/12

11:20-18:13

2 stops22h 53m

$2,196

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Mon 23/3

05:40-20:50

2 stops48h 10m

Sydney Kingsford Smith

Mon 27/4

07:40-01:34

2 stops55h 54m

$2,218

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

21:50-06:50

1 stop42h 00m

Sydney Kingsford Smith

Thu 26/3

21:40-15:05

1 stop32h 25m

$2,239

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

20:50-06:50

1 stop42h 00m

Sydney Kingsford Smith

Tue 10/3

15:50-15:05

1 stop38h 15m

$2,241

Flights are sorted by cheapest return flights first.

Deals found on 8/11

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 $339). Flying from Region of Ontario to Sydney in January is currently the most expensive (average of $1,538). 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 11 November 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 $1,749, Delta can have you in Sydney from Region of Ontario in 28h 09m. 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?

    $887 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Cathay Pacific and Air New Zealand, with prices starting from $1,290 and $1,359, 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 $339). Flying from Region of Ontario to Sydney in January is currently the most expensive (average of $1,538). 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
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

Browse thousands of different options on Cheapflights for your next trip

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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 11 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,272Average$2,459FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,353Average$2,336FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,624Average$2,436FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapest$1,953Average$2,191FlexibilityNo 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.

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