AirHint found the following cheapest one-way flights from San Francisco (SFO) to Singapore (SIN) in December 2026 (see full year).
One-Way flights
| 24 Dec | Korean Air | ||
| 25 Dec | Korean Air | ||
| 27 Dec | Korean Air | ||
| 27 Dec | United | direct | |
| 11 Dec | Asiana Airlines | ||
| 14 Dec | Korean Air | ||
| 16 Dec | Air Canada | ||
| 24 Dec | United | direct | |
| 14 Dec | United | direct | |
| 11 Dec | Air India | direct |
Also check the deals for return flights from San Francisco to Singapore in December.
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