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

Return flights

01 Dec - 31 Jan	Air Canada
04 Dec - 14 Dec	Air Canada
03 Dec - 12 Dec	Air Canada
01 Dec - 11 Dec	Air Canada
08 Dec - 23 Dec	Air Canada
05 Dec - 12 Dec	Air Canada
05 Dec - 15 Dec	Air Canada
16 Dec - 23 Dec	Air India
15 Dec - 23 Dec	Air India
15 Dec - 22 Dec	Air India
11 Dec - 15 Dec	KLM
11 Dec - 08 Jan	Air India
19 Dec - 09 Jan	Air India
19 Dec - 10 Jan	Air India
03 Dec - 03 Jan	China Southern
10 Dec - 03 Jan	Emirates

Also check the deals for one-way flights from Toronto 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 Toronto to Kuala Lumpur in December from 859€

Return flights