Cheapest return flights from Chicago to Seoul in March from $822

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

Return flights

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

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

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