Cheapest return flights from Chicago to Seoul in March from $1036

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

Return flights

25 Mar - 15 Apr Air India
04 Mar - 18 Mar Spirit Airlines
30 Mar - 08 Apr Hawaiian Airlines
10 Mar - 23 Mar Frontier Airlines
10 Mar - 20 Mar Frontier Airlines
09 Mar - 16 Mar Cathay Pacific
18 Mar - 25 Mar Air India
24 Mar - 14 Apr Etihad Airways
23 Mar - 31 Mar Frontier Airlines
12 Mar - 24 Mar Alaska Airlines
09 Mar - 26 Mar Frontier Airlines
24 Mar - 31 Mar Alaska Airlines
29 Mar - 08 Apr Etihad Airways
07 Mar - 14 Mar American Airlines
22 Mar - 05 Apr Air India
22 Mar - 12 Apr Air India
28 Mar - 09 Apr Cathay Pacific
27 Mar - 07 Apr Frontier Airlines
21 Mar - 05 Apr Spirit Airlines
19 Mar - 02 Apr Frontier Airlines

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

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