AirHint found the following cheapest one-way flights from Detroit (DTW) to Seoul (ICN) in December 2025 (see full year).
One-Way flights
| 06 Dec | Spirit Airlines | ||
| 10 Dec | Spirit Airlines | ||
| 23 Dec | Alaska Airlines | ||
| 10 Dec | Delta | direct | |
| 22 Dec | Spirit Airlines | ||
| 06 Dec | Delta | direct | |
| 24 Dec | United | ||
| 14 Dec | United | ||
| 24 Dec | Delta | direct | |
| 15 Dec | Delta | direct |
Also check the deals for return flights from Detroit to Seoul in December.
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