Cheapest one-way flights from Ontario to Singapore in June from $638

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

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

One-Way flights

01 Jun Hawaiian Airlines
03 Jun Frontier Airlines
09 Jun China Airlines
22 Jun China Airlines
21 Jun STARLUX Airlines
20 Jun STARLUX Airlines
18 Jun STARLUX Airlines
27 Jun STARLUX Airlines
19 Jun China Airlines
02 Jun STARLUX Airlines

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

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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