Cheapest return flights from Chicago to Seoul in April from 916€

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

Return flights

09 Apr - 12 Apr Frontier Airlines
11 Apr - 19 Apr Porter Airlines (Canada) Ltd
09 Apr - 16 Apr Delta
02 Apr - 09 Apr Delta
03 Apr - 26 Apr Delta
24 Apr - 01 May Delta
09 Apr - 13 Apr Delta
15 Apr - 21 Apr Delta

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

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