Cheapest return flights from Singapore to San Francisco in September from $761

Best time to book flights for Singapore (SIN) to San Francisco (SFO) flights at AirHint

AirHint found the following cheapest return flights from Singapore (SIN) to San Francisco (SFO) in September 2025 (see full year).

Return flights

03 Sep - 14 Sep STARLUX Airlines
20 Sep - 22 Sep STARLUX Airlines
09 Sep - 16 Sep STARLUX Airlines
03 Sep - 14 Sep Singapore Airlines direct
09 Sep - 16 Sep Singapore Airlines direct
27 Sep - 04 Oct STARLUX Airlines
27 Sep - 04 Oct Singapore Airlines direct
20 Sep - 22 Sep United direct

Also check the deals for one-way flights from Singapore to San Francisco in September.

Skyscanner

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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