AirHint found the following cheapest one-way flights from Seoul (GMP) to San Francisco (SFO) in May 2026 (see full year).
One-Way flights
| 17 May | Jeju Air | ||
| 30 May | Asiana Airlines | ||
| 18 May | Korean Air | ||
| 27 May | Korean Air | ||
| 08 May | EVA Air | ||
| 09 May | EVA Air | ||
| 06 May | EVA Air | ||
| 05 May | EVA Air | ||
| 13 May | EVA Air | ||
| 02 May | EVA Air |
Also check the deals for return flights from Seoul to San Francisco in May.
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