Cheapest one-way flights from San Francisco to Singapore in September from $295

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

One-Way flights

15 Sep Alaska Airlines
09 Sep Flair Airlines
16 Sep China Southern
08 Sep Singapore Airlines direct
27 Sep Flair Airlines
17 Sep Flair Airlines
24 Sep Flair Airlines
22 Sep Flair Airlines
20 Sep Flair Airlines
23 Sep China Southern

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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