AirHint found the following cheapest return flights from Detroit (DTW) to Seoul (ICN) in March 2026 (see full year).
Return flights
| 10 Mar - 23 Mar | Air Canada | ||
| 31 Mar - 09 Apr | Air Canada | ||
| 13 Mar - 29 Mar | jetBlue | ||
| 02 Mar - 17 Mar | Delta | direct | |
| 10 Mar - 23 Mar | Delta | direct | |
| 31 Mar - 09 Apr | Delta | direct |
Also check the deals for one-way flights from Detroit to Seoul in March.
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