Cheapest return flights from Ontario to Singapore in September from 639€

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

Return flights

03 Sep - 10 Sep Delta
11 Sep - 25 Sep China Airlines
27 Sep - 01 Oct STARLUX Airlines
04 Sep - 07 Sep China Airlines
09 Sep - 10 Oct China Airlines
11 Sep - 07 Oct China Airlines
12 Sep - 28 Sep China Airlines
02 Sep - 09 Sep China Airlines
04 Sep - 13 Sep China Airlines

Also check the deals for one-way 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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