AirHint found the following cheapest return flights from Ontario (ONT) to Sydney (SYD) in November 2025 (see full year).

Return flights

09 Nov - 21 Nov	Hawaiian Airlines
04 Nov - 18 Nov	Hawaiian Airlines
04 Nov - 11 Nov	Hawaiian Airlines
06 Nov - 21 Nov	Hawaiian Airlines
20 Nov - 06 Dec	Alaska Airlines
20 Nov - 30 Nov	Alaska Airlines
29 Nov - 10 Dec	Alaska Airlines
28 Nov - 10 Dec	Alaska Airlines
06 Nov - 10 Nov	China Airlines
01 Nov - 12 Nov	China Airlines
01 Nov - 11 Nov	China Airlines
13 Nov - 26 Nov	China Airlines
02 Nov - 12 Nov	China Airlines
27 Nov - 03 Dec	China Airlines
21 Nov - 03 Dec	China Airlines
25 Nov - 01 Dec	China Airlines
21 Nov - 05 Dec	China Airlines
29 Nov - 31 Dec	China Airlines

Also check the deals for one-way flights from Ontario to Sydney in November.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Ontario to Sydney in November from $1064

Return flights