Cheap flights from Ontario to Sydney from $656
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 21/10. 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 5 9월 2025.
Round-trip from | $1,637 |
---|---|
One-way from | $656 |
Popular in | December |
Cheapest in | April |
Average price | $2,330 |
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 5 9월 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 5 9월 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
YKF - SYD
YKFSYD
Toronto Region of Waterloo Intl
월 20/10
06:00-08:20
3 stops35h 20m
Sydney Kingsford Smith
월 27/10
14:15-05:28
3 stops30h 13m
TorontoSydney
YKF - SYD
YKFSYD
Toronto Region of Waterloo Intl
일 19/10
06:00-08:20
3 stops35h 20m
Sydney Kingsford Smith
일 26/10
10:20-05:28
3 stops34h 08m
HamiltonSydney
YHM - SYD
YHMSYD
Hamilton
월 20/10
06:00-08:20
3 stops35h 20m
Sydney Kingsford Smith
월 27/10
10:20-19:00
1 stop23h 40m
HamiltonSydney
YHM - SYD
YHMSYD
Hamilton
일 19/10
06:00-08:20
3 stops35h 20m
Sydney Kingsford Smith
일 26/10
12:30-19:00
3 stops45h 30m
TorontoSydney
YTZ - SYD
YTZSYD
Toronto Island
일 21/9
10:25-11:45
3 stops35h 20m
Sydney Kingsford Smith
목 25/9
13:15-09:45
3 stops34h 30m
OttawaSydney
YOW - SYD
YOWSYD
Ottawa
토 18/10
06:25-08:20
3 stops34h 55m
Sydney Kingsford Smith
토 25/10
10:20-00:21
3 stops29h 01m
TorontoSydney
YTZ - SYD
YTZSYD
Toronto Island
월 22/9
12:25-07:05
2 stops28h 40m
Sydney Kingsford Smith
일 5/10
18:45-11:45
2 stops32h 00m
OttawaSydney
YOW - SYD
YOWSYD
Ottawa
일 19/10
07:00-08:20
3 stops34h 20m
Sydney Kingsford Smith
일 26/10
10:20-00:41
3 stops29h 21m
TorontoSydney
YTZ - SYD
YTZSYD
Toronto Island
월 1/12
15:30-09:35
2 stops26h 05m
Sydney Kingsford Smith
월 22/12
16:00-09:55
2 stops33h 55m
TorontoSydney
YTZ - SYD
YTZSYD
Toronto Island
월 23/2
12:30-09:35
2 stops29h 05m
Sydney Kingsford Smith
수 25/3
10:20-21:35
2 stops26h 15m
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 5 9월 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 5 9월 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.