Cheapest one-way flights from Singapore to San Francisco in May from $416
AirHint found the following cheapest one-way flights from Singapore (SIN) to San Francisco (SFO) in May 2025 (see full year).
One-Way flights
Also check the deals for return flights from Singapore to San Francisco in May.
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.
