AirHint found the following cheapest one-way flights from Singapore (SIN) to San Francisco (SFO) in April 2026 (see full year).
One-Way flights
| 28 Apr | Thai Lion Air | ||
| 22 Apr | Korean Air | ||
| 30 Apr | Qatar Airways | ||
| 26 Apr | Scoot | ||
| 08 Apr | ANA | ||
| 19 Apr | AirAsia | ||
| 14 Apr | AirAsia | ||
| 13 Apr | Firefly | ||
| 18 Apr | Batik Air Malaysia | ||
| 12 Apr | IndiGo |
Also check the deals for return flights from Singapore to San Francisco in April.
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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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