Cheapest return flights from Singapore to San Francisco in October from $748

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 October 2025 (see full year).

Return flights

04 Oct - 05 Oct China Airlines
17 Oct - 27 Oct China Airlines
08 Oct - 22 Oct China Airlines
17 Oct - 20 Oct China Airlines
01 Oct - 01 Nov China Airlines
25 Oct - 08 Nov China Airlines
04 Oct - 11 Oct China Airlines
11 Oct - 18 Oct China Airlines
16 Oct - 23 Oct China Airlines
17 Oct - 27 Oct Singapore Airlines direct
08 Oct - 22 Oct Singapore Airlines direct
25 Oct - 08 Nov Singapore Airlines direct
04 Oct - 11 Oct Singapore Airlines direct
01 Oct - 01 Nov Singapore Airlines direct

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

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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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