Cheapest one-way flights from Chicago to Seoul in December from 437€

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

One-Way flights

02 Dec Frontier Airlines
06 Dec Frontier Airlines
11 Dec Frontier Airlines
15 Dec Frontier Airlines
23 Dec Frontier Airlines
07 Dec Delta
28 Dec Delta
03 Dec Delta
20 Dec Frontier Airlines
05 Dec Delta

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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