Cheapest return flights from Chicago to Seoul in March from 743€

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
04 Mar - 11 Mar Turkish Airlines
25 Mar - 01 Apr Hawaiian Airlines
24 Mar - 14 Apr Etihad Airways
26 Mar - 12 Apr Hawaiian Airlines
11 Mar - 25 Mar Spirit Airlines
12 Mar - 24 Mar Frontier Airlines
22 Mar - 12 Apr Cathay Pacific
13 Mar - 22 Mar Frontier Airlines
20 Mar - 28 Mar WestJet
31 Mar - 29 Apr EVA Air
12 Mar - 21 Mar Frontier Airlines
28 Mar - 09 Apr Frontier Airlines
14 Mar - 20 Mar Spirit Airlines
29 Mar - 29 Apr EVA Air
13 Mar - 21 Mar Frontier Airlines
11 Mar - 14 Mar Hawaiian Airlines
01 Mar - 16 Apr Cathay Pacific
26 Mar - 02 Apr Etihad Airways
30 Mar - 29 Apr EVA Air

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

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