AirHint found the following cheapest return flights from Singapore (SIN) to San Francisco (SFO) in April 2026 (see full year).
Return flights
| 13 Apr - 12 May | Philippine Airlines | ||
| 10 Apr - 25 Apr | Singapore Airlines | direct | |
| 10 Apr - 17 Apr | Cathay Pacific | ||
| 10 Apr - 17 Apr | Singapore Airlines | direct | |
| 13 Apr - 12 May | United | direct |
Also check the deals for one-way flights from Singapore to San Francisco in April.
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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