Cheapest return flights from Chicago to Seoul in March from 747€

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

Return flights

10 Mar - 17 Mar Turkish Airlines
03 Mar - 17 Mar Turkish Airlines
02 Mar - 23 Mar Frontier Airlines
06 Mar - 16 Mar WestJet
11 Mar - 31 Mar Cathay Pacific
01 Mar - 08 Mar Turkish Airlines
04 Mar - 16 Mar Turkish Airlines
09 Mar - 21 Mar Turkish Airlines
25 Mar - 15 Apr Cathay Pacific
11 Mar - 14 Mar Turkish Airlines
06 Mar - 20 Mar Turkish Airlines
24 Mar - 14 Apr Cathay Pacific
26 Mar - 12 Apr Cathay Pacific
31 Mar - 18 Apr Frontier Airlines
25 Mar - 07 Apr Hawaiian Airlines
21 Mar - 08 Apr Etihad Airways
31 Mar - 07 Apr Spirit Airlines
19 Mar - 06 Apr Hawaiian Airlines
22 Mar - 12 Apr Cathay Pacific
14 Mar - 07 Apr Hawaiian Airlines

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

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