Cheapest one-way flights from Seoul to San Francisco in January from $620
AirHint found the following cheapest one-way flights from Seoul (GMP) to San Francisco (SFO) in January 2026 (see full year).
One-Way flights
| 30 Jan | EVA Air | ||
| 01 Jan | Asiana Airlines | ||
| 12 Jan | Japan Airlines | ||
| 03 Jan | Japan Airlines | ||
| 05 Jan | Japan Airlines | ||
| 27 Jan | Korean Air |
Also check the deals for return flights from Seoul to San Francisco in January.
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.
