Cheap flights from Ontario to Sydney from $721
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 24/11. Fares are subject to change and may not be available on all flights or dates of travel.
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 18 September 2025.
Round-trip from | $1,676 |
---|---|
One-way from | $721 |
Popular in | December |
Cheapest in | April |
Average price | $2,304 |
Find flight deals from Ontario to Sydney
Cheapest flights from Ontario to SydneyExplore 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 18 September 2025.
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 18 September 2025.
Cheapflights Fare Finder
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
TorontoSydney
YYZ - SYD
YYZSYD
Toronto Pearson Intl
Wed 15/10
16:45-19:45
2 stops60h 00m
Sydney Kingsford Smith
Tue 21/10
21:40-15:00
2 stops32h 20m
TorontoSydney
YYZ - SYD
YYZSYD
Toronto Pearson Intl
Wed 15/10
16:45-19:45
2 stops60h 00m
Sydney Kingsford Smith
Thu 23/10
21:40-15:00
2 stops56h 20m
TorontoSydney
YYZ - SYD
YYZSYD
Toronto Pearson Intl
Fri 17/10
16:45-19:45
2 stops36h 00m
Sydney Kingsford Smith
Sat 25/10
21:40-15:35
2 stops32h 55m
TorontoSydney
YYZ - SYD
YYZSYD
Toronto Pearson Intl
Tue 14/10
16:45-19:45
2 stops60h 00m
Sydney Kingsford Smith
Sat 25/10
21:40-15:35
2 stops32h 55m
TorontoSydney
YKF - SYD
YKFSYD
Toronto Region of Waterloo Intl
Mon 17/11
06:20-09:00
2 stops34h 40m
Sydney Kingsford Smith
Fri 28/11
17:45-05:28
2 stops27h 43m
TorontoSydney
YYZ - SYD
YYZSYD
Toronto Pearson Intl
Mon 17/11
16:45-19:45
2 stops59h 00m
Sydney Kingsford Smith
Tue 2/12
21:40-15:35
2 stops33h 55m
TorontoSydney
YTZ - SYD
YTZSYD
Toronto Island
Mon 22/9
15:25-11:45
3 stops30h 20m
Sydney Kingsford Smith
Thu 2/10
13:15-09:45
3 stops34h 30m
OttawaSydney
YOW - SYD
YOWSYD
Ottawa
Sat 29/11
19:30-09:05
2 stops45h 35m
Sydney Kingsford Smith
Mon 16/3
10:20-18:42
2 stops23h 22m
OttawaSydney
YOW - SYD
YOWSYD
Ottawa
Mon 24/11
14:15-09:15
2 stops27h 00m
Sydney Kingsford Smith
Tue 17/3
12:10-21:14
2 stops24h 04m
OttawaSydney
YOW - SYD
YOWSYD
Ottawa
Tue 25/11
14:15-09:15
2 stops27h 00m
Sydney Kingsford Smith
Sun 15/3
14:00-10:07
2 stops35h 07m
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.
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 $129). Flying from Region of Ontario to Sydney in October is currently the most expensive (average of $171). 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 18 September 2025.
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.
Travelling to a place near Sydney?
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Alternative routes for Ontario to Sydney
See prices for flight routes from nearby airports that may be better suited for you.
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 18 September 2025.
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.