Cheapest return flights from San Francisco to Singapore in October from $617

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

Return flights

20 Oct - 31 Oct Singapore Airlines direct
29 Oct - 11 Nov Singapore Airlines direct
08 Oct - 16 Oct Philippine Airlines
12 Oct - 26 Oct Philippine Airlines
05 Oct - 12 Oct Philippine Airlines
20 Oct - 23 Nov Philippine Airlines
28 Oct - 13 Nov Philippine Airlines
01 Oct - 09 Oct United direct
01 Oct - 12 Nov United direct
01 Oct - 08 Nov United direct
01 Oct - 12 Oct United direct
20 Oct - 23 Nov Singapore Airlines direct
13 Oct - 31 Oct Singapore Airlines direct
23 Oct - 06 Nov Singapore Airlines direct
08 Oct - 16 Oct Singapore Airlines direct
28 Oct - 13 Nov Singapore Airlines direct
07 Oct - 17 Oct Philippine Airlines
25 Oct - 30 Oct Philippine Airlines
25 Oct - 06 Nov Philippine Airlines
25 Oct - 07 Nov Alaska Airlines

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

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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