Cheapest one-way flights from Chicago to Seoul in December from 594€

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

One-Way flights

28 Dec Etihad Airways
31 Dec Frontier Airlines
30 Dec Etihad Airways
29 Dec Etihad Airways
27 Dec Etihad Airways
25 Dec Cathay Pacific
26 Dec Frontier Airlines
24 Dec EVA Air
31 Dec Korean Air direct
29 Dec Delta direct

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

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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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