AirHint found the following cheapest return flights from Detroit (DTW) to Seoul (ICN) in May 2026 (see full year).
Return flights
| 06 May - 11 May | Turkish Airlines | ||
| 14 May - 21 May | Turkish Airlines | ||
| 22 May - 02 Jun | Spirit Airlines | ||
| 14 May - 21 May | Delta | direct | |
| 06 May - 11 May | Delta | direct | |
| 22 May - 02 Jun | Korean Air | direct |
Also check the deals for one-way flights from Detroit to Seoul in May.
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