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

Return flights

08 Oct - 27 Oct	WestJet
08 Oct - 22 Oct	WestJet
13 Oct - 13 Nov	Porter Airlines (Canada) Ltd
18 Oct - 22 Nov	WestJet
21 Oct - 21 Nov	Philippine Airlines
23 Oct - 31 Oct	Flair Airlines
16 Oct - 23 Oct	WestJet
21 Oct - 24 Oct	WestJet
26 Oct - 04 Nov	WestJet
06 Oct - 22 Oct	WestJet
17 Oct - 02 Nov	WestJet
04 Oct - 14 Nov	WestJet
01 Oct - 06 Oct	Porter Airlines (Canada) Ltd
13 Oct - 16 Nov	WestJet
05 Oct - 19 Nov	Porter Airlines (Canada) Ltd
02 Oct - 24 Oct	Cathay Pacific
01 Oct - 08 Oct	Porter Airlines (Canada) Ltd
15 Oct - 20 Oct	Ethiopian Airlines
31 Oct - 07 Nov	Air Canada

Also check the deals for one-way flights from Toronto to Singapore in October.

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 October from $966

Return flights