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Cheapest one-way flights from Detroit (DTW) to Seoul (ICN), September

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Dates, airline, and price
Dates	Airline	Price
05 Sep	WestJet
03 Sep	Frontier Airlines
15 Sep	Frontier Airlines
06 Sep	WestJet
02 Sep	Alaska Airlines
11 Sep	WestJet
26 Sep	Turkish Airlines
15 Sep	Delta Direct Flight
02 Sep	Delta Direct Flight
03 Sep	Delta Direct Flight

deals for return flights from Detroit to Seoul in September.

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Updated Jul 21, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Detroit (DTW) to Seoul (ICN), September

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