Cheapest return flights from Chicago to Seoul in March from 1,017€

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

Return flights

31 Mar - 22 Apr Spirit Airlines
29 Mar - 05 Apr Frontier Airlines
28 Mar - 05 Apr Frontier Airlines
25 Mar - 04 Apr Volaris
26 Mar - 12 Apr Frontier Airlines
28 Mar - 17 Apr Air Canada
26 Mar - 04 Apr Spirit Airlines
28 Mar - 04 Apr Hawaiian Airlines
26 Mar - 30 Mar Etihad Airways
27 Mar - 04 Apr Frontier Airlines
25 Mar - 29 Mar Delta
25 Mar - 13 Apr Delta direct

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

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