Cheapest one-way flights from San Francisco to Singapore in September from $279

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

One-Way flights

16 Sep Singapore Airlines direct
09 Sep Singapore Airlines direct
11 Sep Singapore Airlines direct
22 Sep Singapore Airlines direct
01 Sep Singapore Airlines direct
15 Sep Singapore Airlines direct
17 Sep Singapore Airlines direct
04 Sep United direct
06 Sep United direct
18 Sep United direct

Also check the deals for return flights from San Francisco to Singapore 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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