Cheapest return flights from Chicago to Seoul in April from 724€

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

Return flights

22 Apr - 16 May Frontier Airlines
16 Apr - 16 May Spirit Airlines
23 Apr - 09 May Spirit Airlines
15 Apr - 29 Apr Frontier Airlines
13 Apr - 05 May Frontier Airlines
06 Apr - 23 Apr Frontier Airlines
10 Apr - 19 Apr WestJet
07 Apr - 23 Apr Spirit Airlines
25 Apr - 23 May Frontier Airlines
22 Apr - 29 Apr Frontier Airlines
07 Apr - 19 Apr Spirit Airlines
29 Apr - 02 May Alaska Airlines
04 Apr - 09 Apr Alaska Airlines
30 Apr - 03 May Alaska Airlines
27 Apr - 04 May Turkish Airlines
01 Apr - 13 Apr Spirit Airlines
01 Apr - 29 Apr Air Canada
20 Apr - 30 Apr Air Canada
27 Apr - 04 May Delta direct
13 Apr - 05 May Delta direct

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

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