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

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

Return flights

10 Mar - 23 Mar Cathay Pacific
24 Mar - 14 Apr Cathay Pacific
04 Mar - 09 Mar Cathay Pacific
19 Mar - 24 Mar Cathay Pacific
11 Mar - 25 Mar Cathay Pacific
10 Mar - 23 Apr Frontier Airlines
24 Mar - 16 Apr Turkish Airlines
10 Mar - 19 Mar Cathay Pacific
07 Mar - 21 Mar Cathay Pacific
08 Mar - 21 Mar Cathay Pacific
30 Mar - 22 Apr EVA Air
31 Mar - 23 Apr Turkish Airlines
24 Mar - 21 Apr Cathay Pacific
13 Mar - 19 Mar EVA Air
22 Mar - 12 Apr Cathay Pacific
22 Mar - 08 Apr Cathay Pacific
13 Mar - 20 Mar Turkish Airlines
13 Mar - 23 Mar EVA Air
23 Mar - 23 Apr Cathay Pacific
25 Mar - 15 Apr EVA Air

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

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