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

Return flights

01 Dec - 08 Dec	Cathay Pacific
03 Dec - 10 Dec	Flair Airlines
09 Dec - 29 Jan	Porter Airlines (Canada) Ltd
04 Dec - 11 Dec	Cathay Pacific
31 Dec - 31 Jan	WestJet
10 Dec - 29 Jan	Flair Airlines
11 Dec - 16 Dec	Flair Airlines
11 Dec - 15 Dec	Flair Airlines
06 Dec - 21 Dec	Japan Airlines
11 Dec - 08 Jan	Flair Airlines
14 Dec - 28 Dec	Porter Airlines (Canada) Ltd
13 Dec - 09 Jan	Air Transat
29 Dec - 10 Jan	WestJet
23 Dec - 28 Dec	Porter Airlines (Canada) Ltd
24 Dec - 28 Dec	WestJet
25 Dec - 29 Dec	Porter Airlines (Canada) Ltd
17 Dec - 11 Jan	Air India
25 Dec - 11 Jan	WestJet
25 Dec - 03 Jan	Porter Airlines (Canada) Ltd
27 Dec - 10 Jan	Air Canada

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 908€

Return flights