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

Return flights

28 Aug - 04 Sep	United
11 Aug - 19 Aug	United
24 Aug - 09 Sep	Air Canada
13 Aug - 20 Aug	United
20 Aug - 27 Aug	United
30 Aug - 15 Sep	Air Canada
19 Aug - 26 Aug	United
20 Aug - 20 Sep	United
16 Aug - 23 Aug	United
22 Aug - 31 Aug	United
21 Aug - 28 Aug	United
02 Aug - 18 Aug	United
18 Aug - 25 Aug	Air Canada
03 Aug - 15 Aug	United

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

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 August from 779€

Return flights