Cheapest one-way flights from Singapore to San Francisco in September from 362€

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

One-Way flights

27 Sep United direct
24 Sep United direct
22 Sep Philippine Airlines
12 Sep Philippine Airlines
17 Sep Philippine Airlines
19 Sep Philippine Airlines
06 Sep Philippine Airlines
07 Sep Philippine Airlines
11 Sep Philippine Airlines
02 Sep Philippine Airlines

Also check the deals for return 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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