Cheapest return flights from Singapore to San Francisco in September from 601€

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

21 Sep - 27 Sep Philippine Airlines
10 Sep - 17 Sep Philippine Airlines
10 Sep - 17 Sep Singapore Airlines direct
26 Sep - 05 Oct Singapore Airlines direct
20 Sep - 29 Sep Singapore Airlines direct
21 Sep - 27 Sep United direct
13 Sep - 28 Sep United direct
07 Sep - 21 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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