Cheapest return flights from Detroit to Seoul in April from $875

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

Return flights

10 Apr - 13 May Frontier Airlines
21 Apr - 05 May Frontier Airlines
16 Apr - 16 May Frontier Airlines
01 Apr - 13 May Spirit Airlines
09 Apr - 30 Apr Spirit Airlines
22 Apr - 29 Apr Frontier Airlines
03 Apr - 15 Apr Spirit Airlines
12 Apr - 19 Apr Frontier Airlines
01 Apr - 30 Apr Frontier Airlines
01 Apr - 01 May Frontier Airlines
18 Apr - 24 Apr Spirit Airlines
02 Apr - 01 May Spirit Airlines
23 Apr - 06 May Air Canada
15 Apr - 26 Apr Air Canada
18 Apr - 25 Apr Air Canada
17 Apr - 26 Apr Air Canada
23 Apr - 06 May Delta direct
22 Apr - 29 Apr Delta direct
07 Apr - 19 May Delta direct
24 Apr - 10 May Delta direct

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

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