Cheapest return flights from Chicago to Seoul in March from 737€

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

Return flights

24 Mar - 28 Apr Spirit Airlines
05 Mar - 18 Mar Turkish Airlines
04 Mar - 11 Mar Turkish Airlines
25 Mar - 15 Apr Spirit Airlines
23 Mar - 27 Apr WestJet
16 Mar - 20 Apr Etihad Airways
31 Mar - 22 Apr Spirit Airlines
25 Mar - 01 Apr Hawaiian Airlines
24 Mar - 14 Apr Etihad Airways
30 Mar - 14 Apr Etihad Airways
26 Mar - 12 Apr Hawaiian Airlines
12 Mar - 24 Mar Frontier Airlines
22 Mar - 12 Apr Cathay Pacific
07 Mar - 21 Mar Spirit Airlines
13 Mar - 22 Mar Frontier Airlines
20 Mar - 28 Mar WestJet
12 Mar - 21 Mar Frontier Airlines
24 Mar - 31 Mar Etihad Airways
25 Mar - 30 Mar Etihad Airways
14 Mar - 20 Mar Spirit Airlines

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

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