Cheapest return flights from Detroit to Seoul in September from $941

Best time to book flights for Detroit (DTW) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Detroit (DTW) to Seoul (ICN) in September 2025 (see full year).

Return flights

29 Sep - 22 Oct Turkish Airlines
19 Sep - 29 Sep Air Canada
01 Sep - 15 Sep Delta direct
29 Sep - 16 Oct Delta direct
29 Sep - 22 Oct Delta direct
19 Sep - 29 Sep Delta direct
06 Sep - 20 Sep Delta direct

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

Skyscanner

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