Cheapest one-way flights from Ontario to Singapore in December from $461
AirHint found the following cheapest one-way flights from Ontario (ONT) to Singapore (SIN) in December 2025 (see full year).
One-Way flights
| 29 Dec | Korean Air | ||
| 14 Dec | Korean Air | ||
| 31 Dec | Japan Airlines | ||
| 20 Dec | China Airlines | ||
| 19 Dec | Korean Air |
Also check the deals for return flights from Ontario to Singapore in December.
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.
