Cheapest one-way flights from Ontario to Singapore in September from 357€

AirHint found the following cheapest one-way flights from Ontario (ONT) to Singapore (SIN) in September 2025 (see full year).

One-Way flights

04 Sep Japan Airlines
29 Sep Frontier Airlines
05 Sep Japan Airlines
17 Sep Japan Airlines
18 Sep Japan Airlines
27 Sep China Airlines
14 Sep China Airlines
13 Sep STARLUX Airlines
22 Sep STARLUX Airlines
20 Sep STARLUX Airlines

Also check the deals for return flights from Ontario to Singapore in September.

Skyscanner

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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