Cheapest one-way flights from Chicago to Seoul in April from 458€

Best time to book flights for Chicago (ORD) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest one-way flights from Chicago (ORD) to Seoul (ICN) in April 2025 (see full year).

One-Way flights

20 Apr Spirit Airlines
01 Apr Hawaiian Airlines
22 Apr Turkish Airlines
03 Apr Frontier Airlines
23 Apr Turkish Airlines
13 Apr Spirit Airlines
04 Apr Spirit Airlines
21 Apr Turkish Airlines
24 Apr Cathay Pacific
25 Apr Spirit Airlines

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

Skyscanner

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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