AirHint found the following cheapest one-way flights from Osaka (KIX) to Singapore (SIN) in December 2025 (see full year).
One-Way flights
| 02 Dec | Air China | ||
| 03 Dec | Air China | ||
| 01 Dec | Air China | ||
| 04 Dec | China Eastern | ||
| 02 Dec | Peach | direct | |
| 15 Dec | Juneyao Airlines | ||
| 16 Dec | Juneyao Airlines | ||
| 12 Dec | Air China | ||
| 05 Dec | Thai AirAsia X | ||
| 18 Dec | T'way Air |
Also check the deals for return flights from Osaka to Singapore in December.
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