AirHint found the following cheapest return flights from Ontario (ONT) to Brisbane (BNE) in December 2025 (see full year).

Return flights

01 Dec - 07 Dec	China Airlines
25 Dec - 24 Jan	China Airlines
01 Dec - 06 Dec	China Airlines
01 Dec - 05 Dec	China Airlines
01 Dec - 10 Dec	Qatar Airways
20 Dec - 04 Jan	China Airlines
17 Dec - 03 Jan	China Airlines
13 Dec - 07 Jan	Qatar Airways

Also check the deals for one-way flights from Ontario to Brisbane in December.

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 Brisbane in December from $2267

Return flights