AirHint found the following cheapest one-way flights from San Francisco (SFO) to Singapore (SIN) in May 2026 (see full year).
One-Way flights
| 07 May | Korean Air | ||
| 04 May | Korean Air | ||
| 14 May | Korean Air | ||
| 18 May | Korean Air | ||
| 03 May | Asiana Airlines | ||
| 19 May | Delta | ||
| 04 May | United | direct | |
| 14 May | United | direct | |
| 07 May | United | direct | |
| 31 May | Flair Airlines |
Also check the deals for return flights from San Francisco to Singapore in May.
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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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