Cheapest return flights from Chicago to Seoul in April from $855

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

Return flights

14 Apr - 21 Apr Cathay Pacific
24 Apr - 10 May Cathay Pacific
06 Apr - 09 Apr EVA Air
23 Apr - 28 Apr EVA Air
09 Apr - 16 Apr EVA Air
01 Apr - 28 Apr Turkish Airlines
01 Apr - 13 Apr Turkish Airlines
07 Apr - 14 Apr Air Canada
07 Apr - 14 Apr Delta direct
14 Apr - 21 Apr Delta direct
09 Apr - 16 Apr Delta direct

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

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