Cheapest return flights from Chicago to Seoul in April from $857

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

Return flights

20 Apr - 26 Apr Cathay Pacific
15 Apr - 26 Apr Cathay Pacific
27 Apr - 11 May Cathay Pacific
20 Apr - 27 Apr Cathay Pacific
11 Apr - 26 Apr Cathay Pacific
11 Apr - 03 May Cathay Pacific
26 Apr - 03 May Cathay Pacific
28 Apr - 12 May EVA Air
12 Apr - 21 Apr Frontier Airlines
26 Apr - 14 May Cathay Pacific
03 Apr - 03 May WestJet
01 Apr - 28 Apr Turkish Airlines
01 Apr - 13 Apr Air India
06 Apr - 20 Apr Alaska Airlines
03 Apr - 06 Apr Etihad Airways
04 Apr - 19 Apr Alaska Airlines
27 Apr - 11 May Korean Air direct
28 Apr - 12 May Delta direct
03 Apr - 03 May Korean Air direct
26 Apr - 14 May Korean Air direct

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

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