AirHint found the following cheapest return flights from Ontario (ONT) to Singapore (SIN) in March 2026 (see full year).

Return flights

27 Mar - 14 Apr	Korean Air
14 Mar - 05 Apr	Korean Air
20 Mar - 31 Mar	Korean Air
15 Mar - 28 Mar	China Airlines
29 Mar - 18 Apr	China Airlines
16 Mar - 04 Apr	China Airlines
21 Mar - 04 Apr	China Airlines

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

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 Ontario to Singapore in March from $775

Return flights