AirHint found the following cheapest one-way flights from Singapore (SIN) to San Francisco (SFO) in September 2026 (see full year).
One-Way flights
| 16 Sep | Singapore Airlines | direct | |
| 17 Sep | Singapore Airlines | direct | |
| 18 Sep | Singapore Airlines | direct | |
| 11 Sep | Singapore Airlines | direct | |
| 25 Sep | Singapore Airlines | direct |
Also check the deals for return flights from Singapore to San Francisco in September.
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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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