Cheapest one-way flights from San Francisco to Singapore in October from $352

Best time to book flights for San Francisco (SFO) to Singapore (SIN) flights at AirHint

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

One-Way flights

18 Oct Asiana Airlines
01 Oct Singapore Airlines direct
02 Oct Vietnam Airlines
15 Oct Vietnam Airlines
11 Oct Vietnam Airlines
14 Oct Air Canada
15 Oct United direct
11 Oct United direct
02 Oct Singapore Airlines direct
18 Oct Singapore Airlines direct

Also check the deals for return 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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