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Cheap flights from Ontario to Sydney from $815

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
27 Mar — 3 Apr1
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 25 February 2026.

Tue 24/316:55
YYZ
-
SYD
2 stops28h 40m
Multiple Airlines
Mon 25/513:15
SYD
-
YYZ
2 stops31h 09m
Multiple Airlines
Deal found 24/2$1,469
Mon 19/1007:20
YOW
-
SYD
3 stops38h 30m
Multiple Airlines
Mon 2/1114:00
SYD
-
YOW
3 stops42h 50m
Multiple Airlines
Deal found 24/2$1,584
Sat 8/818:35
YYZ
-
SYD
2 stops27h 15m
Multiple Airlines
Sun 23/813:15
SYD
-
YYZ
2 stops24h 43m
Multiple Airlines
Deal found 23/2$1,618
Wed 8/412:40
YYZ
-
SYD
2 stops33h 10m
Multiple Airlines
Wed 15/406:00
SYD
-
YYZ
2 stops32h 15m
Multiple Airlines
Deal found 22/2$1,621
Tue 1/908:30
YUL
-
SYD
2 stops44h 45m
Multiple Airlines
Tue 15/911:50
SYD
-
YUL
2 stops26h 49m
Multiple Airlines
Deal found 23/2$1,623
Mon 23/316:55
YYZ
-
SYD
2 stops28h 40m
Multiple Airlines
Fri 10/413:15
SYD
-
YYZ
2 stops24h 54m
Multiple Airlines
Deal found 24/2$1,648
Mon 23/310:00
YYZ
-
SYD
1 stop30h 25m
Multiple Airlines
Mon 20/413:00
SYD
-
YYZ
2 stops40h 25m
Multiple Airlines
Deal found 24/2$1,663
Fri 30/1009:00
YUL
-
SYD
2 stops44h 15m
Multiple Airlines
Wed 18/1112:25
SYD
-
YUL
2 stops34h 19m
Multiple Airlines
Deal found 22/2$1,679
Sat 5/908:30
YUL
-
SYD
2 stops44h 45m
ANA
Sun 13/911:50
SYD
-
YUL
2 stops26h 49m
ANA
Deal found 22/2$1,680
Mon 14/905:00
YOW
-
SYD
2 stops38h 25m
Multiple Airlines
Mon 19/1012:50
SYD
-
YOW
2 stops27h 03m
Multiple Airlines
Deal found 23/2$1,684
Tue 14/410:00
YYZ
-
SYD
2 stops35h 50m
Multiple Airlines
Sat 2/513:15
SYD
-
YYZ
2 stops25h 04m
Multiple Airlines
Deal found 24/2$1,684
Mon 7/913:15
YUL
-
SYD
2 stops30h 10m
Multiple Airlines
Mon 14/911:50
SYD
-
YUL
2 stops26h 49m
Multiple Airlines
Deal found 22/2$1,700

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 25 February 2026.

Round-trip from

$1,469

One-way from

$815

Popular in

December

Cheapest in

November

Average price

$2,173
24/3-25/5
  • 24/3-25/5
  • 4 total stops
  • 59h 49m total
  • Ontario to Sydney
Search Deals
1/6
  • 1/6
  • 3 total stops
  • 49h 25m total
  • Ontario to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($244 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($62 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 25 February 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

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 19/8

06:55-09:25

2 stops36h 30m

Sydney Kingsford Smith

Tue 1/9

20:55-13:45

2 stops30h 50m

$1,737

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 29/3

10:00-07:55

2 stops30h 55m

Sydney Kingsford Smith

Tue 14/4

09:30-18:55

2 stops23h 25m

$1,762

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 1/4

14:40-08:00

2 stops26h 20m

Sydney Kingsford Smith

Mon 20/4

09:30-18:55

2 stops23h 25m

$1,762

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 16/8

14:48-07:00

2 stops26h 12m

Sydney Kingsford Smith

Mon 31/8

09:30-09:47

2 stops38h 17m

$1,764

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 31/5

10:00-07:00

2 stops31h 00m

Sydney Kingsford Smith

Tue 30/6

09:30-22:05

2 stops26h 35m

$1,764

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 10/5

15:10-07:00

2 stops25h 50m

Sydney Kingsford Smith

Sun 17/5

09:30-23:54

2 stops28h 24m

$1,765

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 12/4

10:44-06:55

2 stops30h 11m

Sydney Kingsford Smith

Tue 12/5

10:20-23:54

2 stops27h 34m

$1,765

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Wed 3/6

15:10-07:00

2 stops25h 50m

Sydney Kingsford Smith

Sun 28/6

10:20-23:54

2 stops27h 34m

$1,765

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Tue 14/4

15:10-06:55

2 stops25h 45m

Sydney Kingsford Smith

Wed 13/5

09:30-23:54

2 stops28h 24m

$1,765

OttawaSydney

YOW - SYD

YOWSYD

Ottawa

Sun 31/5

15:10-07:00

2 stops25h 50m

Sydney Kingsford Smith

Sun 28/6

10:20-23:54

2 stops27h 34m

$1,765

Flights are sorted by cheapest return flights first.

Deals found on 24/2

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, May is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of $286). Flying from Region of Ontario to Sydney in November is currently the most expensive (average of $1,257). 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 25 February 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 25 February 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?

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 $1,925, ANA can have you in Sydney from Region of Ontario in 28h 55m. 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?

    $1,063 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 Qantas Airways, with prices starting from $1,165 and $1,295, 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, May is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of $286). Flying from Region of Ontario to Sydney in November is currently the most expensive (average of $1,257). 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
Manly
Terrigal
Lithgow
Bondi Beach
Leura
Coogee
Cronulla
Randwick

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 25 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$431Average$2,403FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,238Average$2,014FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,482Average$2,208FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Cathay PacificCheapest$1,845Average$2,612FlexibilityNo 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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