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Cheap flights from Ontario to Sydney from $857

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
12 Jul — 19 Jul1
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 12 June 2026.

Sun 26/706:04
YYZ
-
SYD
2 stops34h 46m
Delta
Tue 11/809:15
SYD
-
YYZ
2 stops27h 55m
Delta
Deal found 10/6$1,481
Mon 15/607:00
YUL
-
SYD
2 stops33h 50m
Delta
Mon 6/709:15
SYD
-
YUL
2 stops28h 13m
Delta
Deal found 10/6$1,482
Sun 2/819:24
YYZ
-
SYD
2 stops45h 26m
Delta
Wed 26/809:15
SYD
-
YYZ
2 stops23h 19m
Delta
Deal found 8/6$1,482
Wed 29/707:00
YUL
-
SYD
2 stops33h 50m
Delta
Tue 25/809:15
SYD
-
YUL
2 stops28h 37m
Delta
Deal found 8/6$1,483
Mon 8/614:29
YYZ
-
SYD
2 stops26h 21m
Delta
Mon 15/609:15
SYD
-
YYZ
2 stops27h 59m
Delta
Deal found 7/6$1,483
Mon 22/607:45
YYZ
-
SYD
2 stops33h 05m
Delta
Sat 11/709:15
SYD
-
YYZ
2 stops28h 43m
Delta
Deal found 12/6$1,549
Sat 8/817:50
YYZ
-
SYD
2 stops47h 00m
Delta
Fri 28/809:15
SYD
-
YYZ
2 stops23h 19m
Delta
Deal found 9/6$1,552
Tue 9/612:47
YUL
-
SYD
2 stops28h 03m
Delta
Fri 19/609:15
SYD
-
YUL
2 stops40h 28m
Delta
Deal found 9/6$1,553
Thu 30/707:45
YYZ
-
SYD
2 stops33h 05m
Delta
Wed 19/809:15
SYD
-
YYZ
2 stops26h 44m
Delta
Deal found 11/6$1,553
Thu 30/707:00
YUL
-
SYD
2 stops33h 50m
Delta
Mon 24/809:15
SYD
-
YUL
2 stops40h 24m
Delta
Deal found 8/6$1,555
Thu 6/818:14
YYZ
-
SYD
2 stops22h 36m
Delta
Mon 24/809:15
SYD
-
YYZ
2 stops27h 55m
Delta
Deal found 8/6$1,555
Sat 13/612:53
YUL
-
SYD
2 stops51h 57m
Delta
Fri 14/809:15
SYD
-
YUL
2 stops28h 37m
Delta
Deal found 9/6$1,589

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 12 June 2026.

Round-trip from

$1,481

One-way from

$857

Popular in

December

Cheapest in

May

Average price

$2,279

Good one-way deal

$1,260 or less
Delta
  • Delta
  • 26/7-11/8
  • 4 total stops
  • 62h 41m total
  • Ontario to Sydney
Search Deals
28/8
  • 28/8
  • 2 total stops
  • 51h 30m total
  • Ontario to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($325 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($69 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a one-way flight from Ontario to Sydney Kingsford Smith.
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 12 June 2026.
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 return flight

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Tue 18/8

18:14-06:50

2 stops22h 36m

Sydney Kingsford Smith

Mon 7/9

09:15-12:15

2 stops41h 00m

$1,697

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Tue 22/9

06:55-07:20

1 stop34h 25m

Sydney Kingsford Smith

Tue 6/10

10:20-17:15

2 stops21h 55m

$2,038

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Mon 14/9

21:00-06:10

1 stop43h 10m

Sydney Kingsford Smith

Mon 19/10

15:50-15:00

1 stop38h 10m

$2,135

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 24/6

12:48-06:50

2 stops28h 02m

Sydney Kingsford Smith

Wed 8/7

09:15-23:52

2 stops28h 37m

$2,178

TorontoSydney

YTZ - SYD

YTZSYD

Toronto Island

Thu 5/11

15:35-09:35

2 stops26h 00m

Sydney Kingsford Smith

Thu 19/11

11:20-18:23

2 stops23h 03m

$2,232

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Tue 15/9

18:10-17:10

2 stops33h 00m

Sydney Kingsford Smith

Tue 29/9

14:50-15:00

1 stop38h 10m

$2,245

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Tue 25/8

18:10-17:10

2 stops33h 00m

Sydney Kingsford Smith

Tue 22/9

20:45-15:00

1 stop32h 15m

$2,257

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Tue 15/9

21:00-17:10

1 stop30h 10m

Sydney Kingsford Smith

Tue 29/9

14:50-15:00

1 stop38h 10m

$2,268

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Fri 11/9

21:00-06:10

1 stop43h 10m

Sydney Kingsford Smith

Thu 5/11

15:50-14:40

1 stop38h 50m

$2,274

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Mon 10/8

18:28-06:55

1 stop22h 27m

Sydney Kingsford Smith

Wed 16/12

20:30-05:10

1 stop24h 40m

$2,275

Flights are sorted by cheapest return flights first.

Deals found on 12/6

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 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, July is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of $238). Flying from Region of Ontario to Sydney in March is currently the most expensive (average of $3,231). 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 12 June 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.

Weekly flight availability from Region of Ontario to Sydney

Explore weekly flight availability from Ontario to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 June 2026.

The most flights from CAON to SYD are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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

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

To ensure you get the cheapest price possible for a flight from Region of Ontario to Sydney, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $2,038, Delta can have you in Sydney from Region of Ontario in 34h 25m. The distance from Region of Ontario to Sydney is about 15862 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?

    $1,070 is the cheapest one-way deal found within the past few days, from Cathay Pacific. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $1,173 and $1,268, 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.

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

    On average you can expect to pay $1,303 for a flight from Region of Ontario to Sydney. The cheapest flight overall is $1,242 while the most popular route, (Toronto Pearson Intl - Sydney Kingsford Smith) is currently priced at $1,482.

  • 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, July is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of $238). Flying from Region of Ontario to Sydney in March is currently the most expensive (average of $3,231). 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
Katoomba
Cronulla
Manly
Terrigal
Lithgow
Randwick
Bondi Beach
Leura
Coogee

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 12 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$441Average$2,546FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,229Average$1,759FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,492Average$2,204FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Cathay PacificCheapest$1,858Average$2,631FlexibilityNo 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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