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

Return flights

13 Apr - 26 Apr	Alaska Airlines
11 Apr - 25 Apr	Alaska Airlines
23 Apr - 04 May	Delta	direct
13 Apr - 26 Apr	Delta	direct
15 Apr - 26 Apr	Delta	direct
22 Apr - 03 May	Delta	direct
11 Apr - 25 Apr	Delta	direct

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

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Detroit to Seoul in April from $1035

Return flights