Cheapest one-way flights from Chicago to Seoul in April from 361€

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

One-Way flights

15 Apr Spirit Airlines
19 Apr Frontier Airlines
22 Apr Frontier Airlines
07 Apr Spirit Airlines
09 Apr Spirit Airlines
23 Apr Cathay Pacific
27 Apr Alaska Airlines
04 Apr Alaska Airlines
18 Apr Turkish Airlines
10 Apr Etihad Airways

Also check the deals for return flights from Chicago to Seoul in April.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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