Cheapest return flights from Chicago to Seoul in December from 1661€

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

Return flights

10 Dec - 17 Dec Delta
23 Dec - 19 Jan Delta
08 Dec - 27 Dec Delta
08 Dec - 01 Jan Delta
07 Dec - 01 Jan Delta
13 Dec - 17 Jan Delta
17 Dec - 31 Dec Delta
20 Dec - 30 Dec Delta
28 Dec - 11 Jan Delta
12 Dec - 09 Jan Delta
08 Dec - 06 Jan Delta
11 Dec - 01 Jan Delta
14 Dec - 01 Jan Delta
21 Dec - 09 Jan Delta

Also check the deals for one-way 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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