AirHint found the following cheapest one-way flights from San Francisco (SFO) to Seoul (ICN) in December 2025 (see full year).
One-Way flights
| 01 Dec | Air Premia | direct | |
| 03 Dec | Air Premia | direct | |
| 27 Dec | Air Premia | direct | |
| 31 Dec | Zipair | ||
| 04 Dec | Flair Airlines | ||
| 07 Dec | Zipair | ||
| 02 Dec | Zipair | ||
| 09 Dec | Flair Airlines | ||
| 06 Dec | Flair Airlines | ||
| 05 Dec | WestJet |
Also check the deals for return flights from San Francisco to Seoul in December.
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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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