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

Return flights

17 Feb - 03 Mar	Spirit Airlines
18 Feb - 03 Mar	Spirit Airlines
17 Feb - 05 Mar	Spirit Airlines
05 Feb - 18 Feb	Frontier Airlines
05 Feb - 24 Feb	Frontier Airlines
27 Feb - 06 Mar	Spirit Airlines
17 Feb - 03 Mar	Delta	direct
18 Feb - 03 Mar	Delta	direct
05 Feb - 24 Feb	Delta	direct
25 Feb - 10 Mar	Delta	direct
18 Feb - 01 Mar	Delta	direct
05 Feb - 18 Feb	Korean Air	direct
27 Feb - 06 Mar	Delta	direct
02 Feb - 09 Feb	Delta	direct
09 Feb - 13 Feb	Delta	direct

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

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 February from 790€

Return flights