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

Return flights

02 Dec - 15 Dec	Air Canada
03 Dec - 15 Dec	Air Canada
03 Dec - 14 Dec	Air Canada
05 Dec - 14 Dec	Air France
11 Dec - 15 Jan	Air France
03 Dec - 17 Dec	Air Canada
24 Dec - 14 Jan	Air Canada
25 Dec - 15 Jan	Air France
11 Dec - 18 Dec	Cathay Pacific
09 Dec - 20 Dec	Air Canada
14 Dec - 31 Dec	Lufthansa
15 Dec - 31 Dec	Lufthansa
06 Dec - 03 Jan	Air Canada
16 Dec - 30 Dec	Air India
17 Dec - 06 Jan	Air India
18 Dec - 01 Jan	Air India
10 Dec - 03 Jan	Lufthansa
21 Dec - 02 Jan	Air Canada

Also check the deals for one-way flights from Toronto to Singapore 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 Singapore in December from 931€

Return flights