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

Return flights

08 Dec - 15 Dec	Turkish Airlines
01 Dec - 08 Dec	KLM
07 Dec - 14 Dec	Air France
29 Dec - 28 Jan	Lufthansa
15 Dec - 15 Jan	Lufthansa
05 Dec - 12 Dec	Air France
06 Dec - 13 Dec	Air France
09 Dec - 16 Dec	Air France
16 Dec - 23 Dec	WestJet
31 Dec - 07 Jan	Turkish Airlines
14 Dec - 21 Dec	WestJet
13 Dec - 23 Dec	Air France
24 Dec - 31 Dec	Etihad Airways
30 Dec - 06 Jan	Qatar Airways
29 Dec - 05 Jan	Qatar Airways
25 Dec - 01 Jan	KLM
28 Dec - 04 Jan	Air France
21 Dec - 07 Jan	Lufthansa
27 Dec - 02 Jan	KLM
20 Dec - 06 Jan	Emirates

Also check the deals for one-way flights from Montreal 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 Montreal to Singapore in December from 1037€

Return flights