Cheapest one-way flights from San Francisco to Singapore in October from $339

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

One-Way flights

01 Oct United direct
15 Oct Asiana Airlines
16 Oct Asiana Airlines
18 Oct Asiana Airlines
17 Oct Asiana Airlines
19 Oct Asiana Airlines
23 Oct Asiana Airlines
02 Oct Air Canada
02 Oct United direct
08 Oct United 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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