Cheapest return flights from Ontario to Singapore in June from $1451

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 June 2025 (see full year).

Return flights

03 Jun - 15 Jun China Airlines
07 Jun - 15 Jun China Airlines
26 Jun - 09 Jul China Airlines

Also check the deals for one-way 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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore