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

Return flights

26 Dec - 15 Jan	China Airlines
25 Dec - 14 Jan	China Airlines
25 Dec - 15 Jan	China Airlines
29 Dec - 09 Jan	China Airlines
23 Dec - 05 Jan	China Airlines
18 Dec - 09 Jan	China Airlines
18 Dec - 10 Jan	China Airlines
19 Dec - 03 Jan	China Airlines
20 Dec - 02 Jan	China Airlines

Also check the deals for one-way flights from Ontario to Kuala Lumpur 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 Kuala Lumpur in December from 1183€

Return flights