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Cheap flights from Ontario to Sydney from $757

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 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SYD
1 May — 8 May1
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 1 April 2026.

Tue 26/507:15
YUL
-
SYD
3 stops38h 35m
Multiple Airlines
Tue 2/606:00
SYD
-
YUL
3 stops39h 05m
Multiple Airlines
Deal found 30/3$1,591
Wed 13/510:00
YYZ
-
SYD
3 stops35h 50m
Multiple Airlines
Wed 20/513:20
SYD
-
YYZ
3 stops30h 25m
Multiple Airlines
Deal found 29/3$1,750
Tue 12/507:20
YOW
-
SYD
3 stops48h 50m
Multiple Airlines
Tue 19/513:15
SYD
-
YOW
3 stops30h 20m
Multiple Airlines
Deal found 28/3$1,824
Wed 22/416:55
YYZ
-
SYD
2 stops28h 55m
Multiple Airlines
Thu 7/513:15
SYD
-
YYZ
2 stops31h 09m
Multiple Airlines
Deal found 31/3$1,834
Mon 20/409:46
YYZ
-
SYD
2 stops31h 04m
Delta
Mon 4/509:15
SYD
-
YYZ
2 stops26h 44m
Delta
Deal found 1/4$1,838
Mon 13/407:00
YUL
-
SYD
2 stops33h 50m
Delta
Wed 29/409:15
SYD
-
YUL
2 stops28h 11m
Delta
Deal found 1/4$1,840
Wed 22/707:00
YUL
-
SYD
2 stops33h 50m
Delta
Sun 9/809:15
SYD
-
YUL
2 stops28h 40m
Delta
Deal found 30/3$1,841
Sat 30/518:30
YYZ
-
SYD
2 stops46h 20m
Delta
Mon 8/609:15
SYD
-
YYZ
2 stops27h 59m
Delta
Deal found 31/3$1,841
Tue 21/706:00
YUL
-
SYD
2 stops34h 50m
Delta
Mon 10/809:15
SYD
-
YUL
2 stops28h 41m
Delta
Deal found 31/3$1,842
Sun 19/412:55
YUL
-
SYD
2 stops27h 55m
Delta
Mon 4/509:15
SYD
-
YUL
2 stops28h 11m
Delta
Deal found 30/3$1,844
Tue 21/413:30
YYZ
-
SYD
2 stops27h 20m
Delta
Tue 5/509:15
SYD
-
YYZ
2 stops27h 55m
Delta
Deal found 30/3$1,844
Sun 19/411:30
YYZ
-
SYD
2 stops29h 20m
Delta
Tue 28/409:15
SYD
-
YYZ
2 stops23h 16m
Delta
Deal found 28/3$1,847

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 1 April 2026.

Round-trip from

$1,591

One-way from

$757

Popular in

December

Cheapest in

November

Average price

$2,166
26/5-2/6
  • 26/5-2/6
  • 6 total stops
  • 77h 40m total
  • Ontario to Sydney
Search Deals
23/5
  • 23/5
  • 3 total stops
  • 36h 50m total
  • Ontario to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($263 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($68 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 1 April 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

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

07:00-06:50

2 stops33h 50m

Sydney Kingsford Smith

Mon 3/8

09:15-23:55

2 stops28h 40m

$1,842

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

06:00-06:50

2 stops34h 50m

Sydney Kingsford Smith

Wed 29/4

09:15-23:08

2 stops27h 53m

$1,844

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Sat 18/4

18:11-06:50

2 stops46h 39m

Sydney Kingsford Smith

Sun 26/4

09:15-08:56

2 stops37h 41m

$1,847

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

12:42-06:50

2 stops28h 08m

Sydney Kingsford Smith

Mon 4/5

09:15-11:59

2 stops40h 44m

$1,848

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Thu 30/4

12:16-06:50

2 stops28h 34m

Sydney Kingsford Smith

Mon 11/5

09:15-22:59

2 stops27h 44m

$1,890

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

12:47-06:50

2 stops28h 03m

Sydney Kingsford Smith

Tue 4/8

09:15-23:25

2 stops28h 10m

$1,893

MontrealSydney

YUL - SYD

YULSYD

Montreal Pierre Elliott Trudeau Intl

Thu 23/7

07:00-06:50

2 stops33h 50m

Sydney Kingsford Smith

Wed 5/8

09:15-23:25

2 stops28h 10m

$1,893

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Mon 20/4

11:30-06:50

2 stops29h 20m

Sydney Kingsford Smith

Fri 15/5

09:15-22:59

2 stops27h 44m

$1,903

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Sat 19/9

21:00-17:10

1 stop30h 10m

Sydney Kingsford Smith

Wed 14/10

15:50-15:00

1 stop38h 10m

$2,060

TorontoSydney

YYZ - SYD

YYZSYD

Toronto Pearson Intl

Sat 30/5

19:43-06:55

2 stops45h 12m

Sydney Kingsford Smith

Wed 3/6

09:30-19:02

2 stops23h 32m

$2,073

Flights are sorted by cheapest return flights first.

Deals found on 29/3

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, May is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of $283). Flying from Region of Ontario to Sydney in November is currently the most expensive (average of $1,434). 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 1 April 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.

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 $2,060, Delta can have you in Sydney from Region of Ontario in 30h 10m. 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?

    $1,083 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 $1,187 and $1,282, 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, May is the cheapest month in which you can book a flight from Region of Ontario to Sydney (average of $283). Flying from Region of Ontario to Sydney in November is currently the most expensive (average of $1,434). 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
Terrigal
Katoomba
Lithgow
Manly
Bondi Beach
Coogee
Cronulla
Leura
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 1 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$439Average$2,489FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,243Average$2,182FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,509Average$2,242FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Cathay PacificCheapest$1,879Average$2,661FlexibilityNo 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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