Cheapest return flights from Ontario to Singapore in October from $713

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

Return flights

14 Oct - 13 Nov Korean Air
12 Oct - 20 Oct Korean Air
12 Oct - 19 Oct Korean Air
02 Oct - 08 Oct China Airlines
01 Oct - 08 Oct China Airlines
01 Oct - 09 Oct China Airlines
15 Oct - 29 Oct China Airlines
01 Oct - 19 Oct China Airlines
05 Oct - 12 Oct China Airlines
10 Oct - 29 Oct China Airlines
12 Oct - 31 Oct China Airlines

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

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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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