Cheap flights from Ontario to Australia from C$ 643

The cheapest month to fly to Australia from Region of Ontario is in November. Flight prices, which tend to average around C$ 1,992, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Australia from Region of Ontario during April instead. Flights to Australia in April, while not as cheap as those in November, still average around C$ 2,038.

On average, the least expensive day to fly to Australia from Region of Ontario is on a Saturday. momondo users have found tickets for Saturday departures for as low as C$ 2,035. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 2,472. These prices are subject to change though, so be sure to set up a Price Alert for flights to Australia.

According to our data, the cheapest time of day to fly to Australia is in the afternoon. momondo users have found flights departing from Region of Ontario to Australia in the afternoon for as low as C$ 2,317. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of C$ 2,331. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Toronto Pearson Intl to Sydney Kingsford Smith for the best Ontario - Australia flight prices

You are more likely to see cheaper flights to Australia from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around C$ 2,137 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Region of Ontario for as low as C$ 1,900 on momondo.

There is only 1 cabin class available to choose from on Ontario to Australia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of February 2026, there are 6 flights per week flying from Region of Ontario to Australia. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

Flight times vary depending on what airport in Region of Ontario you fly out of and what airport in Australia you fly into. For example, flying from Toronto to Sydney takes 24h 16m on average. On the other hand, flying from Hamilton to Sydney takes 27h 45m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.