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

Return flights

30 Dec - 27 Jan	China Airlines
06 Dec - 09 Dec	China Airlines
10 Dec - 31 Dec	China Airlines
04 Dec - 27 Dec	China Airlines
11 Dec - 21 Dec	China Airlines
31 Dec - 14 Jan	China Airlines
25 Dec - 01 Jan	China Airlines
22 Dec - 31 Dec	China Airlines
30 Dec - 06 Jan	China Airlines
11 Dec - 18 Dec	China Airlines
01 Dec - 08 Dec	Qatar Airways
20 Dec - 27 Dec	China Airlines
23 Dec - 30 Dec	China Airlines
06 Dec - 08 Dec	Qatar Airways
29 Dec - 05 Jan	Qatar Airways
28 Dec - 12 Jan	Qatar Airways
27 Dec - 12 Jan	Qatar Airways
28 Dec - 04 Jan	Qatar Airways
28 Dec - 11 Jan	Qatar Airways
31 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 $1961

Return flights