AirHint found the following cheapest one-way flights from Dallas (DAL) to Seoul (ICN) in December 2025 (see full year).
One-Way flights
| 30 Dec | Air France | ||
| 09 Dec | Korean Air | ||
| 07 Dec | Delta | ||
| 20 Dec | Delta | ||
| 17 Dec | Delta | ||
| 21 Dec | Delta | ||
| 22 Dec | Korean Air | ||
| 14 Dec | Delta | ||
| 18 Dec | Delta | ||
| 19 Dec | Delta |
Also check the deals for return flights from Dallas to Seoul in December.
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