AirHint found the following cheapest one-way flights from San Diego (SAN) to Seoul (ICN) in January 2026 (see full year).
One-Way flights
| 10 Jan | Delta | ||
| 09 Jan | Delta | ||
| 14 Jan | Delta | ||
| 25 Jan | Delta | ||
| 27 Jan | Delta | ||
| 30 Jan | Delta | ||
| 26 Jan | Delta | ||
| 21 Jan | United |
Also check the deals for return flights from San Diego to Seoul in January.
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