Cheapest return flights from Ontario to Singapore in August from $908

Best time to book flights for Ontario (ONT) to Singapore (SIN) flights at AirHint

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

Return flights

19 Aug - 27 Aug China Airlines
12 Aug - 31 Aug China Airlines
17 Aug - 04 Sep China Airlines
18 Aug - 31 Aug China Airlines
13 Aug - 20 Aug STARLUX Airlines
30 Aug - 05 Sep STARLUX Airlines
02 Aug - 09 Aug China Airlines

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

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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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