Cheapest one-way flights from Ontario to Singapore in April from $311

AirHint found the following cheapest one-way flights from Ontario (ONT) to Singapore (SIN) in April 2026 (see full year).

One-Way flights

23 Apr Korean Air
07 Apr Korean Air
22 Apr Korean Air
30 Apr Korean Air
20 Apr Korean Air
12 Apr Korean Air
17 Apr Korean Air
11 Apr Korean Air
05 Apr Korean Air
09 Apr Korean Air

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

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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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