Cheapest return flights from Ontario to Singapore in December from $1285

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 December 2025 (see full year).

Return flights

07 Dec - 23 Dec China Airlines
05 Dec - 21 Dec China Airlines
25 Dec - 19 Jan China Airlines
17 Dec - 05 Jan China Airlines
21 Dec - 03 Jan China Airlines
15 Dec - 29 Dec China Airlines
26 Dec - 11 Jan China Airlines
15 Dec - 30 Dec China Airlines
23 Dec - 06 Jan China Airlines
17 Dec - 19 Dec Qatar Airways
16 Dec - 08 Jan China Airlines
20 Dec - 03 Jan China Airlines
13 Dec - 07 Jan China Airlines
19 Dec - 02 Jan China Airlines
19 Dec - 03 Jan Qatar Airways

Also check the deals for one-way flights from Ontario to Singapore in December.

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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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