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

Return flights

20 Nov - 04 Dec	Frontier Airlines
03 Nov - 09 Nov	Frontier Airlines
25 Nov - 30 Nov	Alaska Airlines
27 Nov - 04 Dec	Spirit Airlines
28 Nov - 05 Dec	Spirit Airlines
15 Nov - 30 Nov	Air Canada
20 Nov - 04 Dec	Delta	direct
27 Nov - 04 Dec	Delta	direct
22 Nov - 30 Nov	Delta	direct
28 Nov - 05 Dec	Delta	direct
15 Nov - 30 Nov	Delta	direct
25 Nov - 30 Nov	Delta	direct
03 Nov - 09 Nov	Delta	direct

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

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 November from 751€

Return flights