AirHint found the following cheapest return flights from Detroit (DTW) to Seoul (ICN) in January 2026 (see full year).

Return flights

28 Jan - 04 Feb	Delta	direct
23 Jan - 26 Jan	Turkish Airlines
07 Jan - 05 Feb	Delta	direct
24 Jan - 26 Jan	Etihad Airways
23 Jan - 26 Jan	Delta	direct
05 Jan - 23 Jan	Delta	direct
03 Jan - 09 Jan	United

Also check the deals for one-way flights from Detroit to Seoul in January.

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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Cheapest return flights from Detroit to Seoul in January from 1042€

Return flights