Cheapest return flights from Detroit to Seoul in September from $874

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

Return flights

29 Sep - 13 Oct Frontier Airlines
24 Sep - 09 Oct Spirit Airlines
05 Sep - 12 Sep Air Canada
06 Sep - 13 Sep Air Canada
20 Sep - 25 Sep Air Canada
29 Sep - 13 Oct Delta direct
24 Sep - 09 Oct Delta direct
16 Sep - 27 Sep American Airlines
05 Sep - 12 Sep Delta direct
06 Sep - 13 Sep Delta direct
26 Sep - 04 Oct Delta direct
20 Sep - 25 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.

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