Cheapest return flights from Chicago to Seoul in December from 785€

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

Return flights

02 Dec - 12 Dec Spirit Airlines
03 Dec - 14 Dec Spirit Airlines
04 Dec - 14 Dec Spirit Airlines
02 Dec - 13 Jan Spirit Airlines
06 Dec - 20 Dec Spirit Airlines
02 Dec - 16 Dec Cathay Pacific
01 Dec - 08 Dec Cathay Pacific
04 Dec - 17 Dec Turkish Airlines
04 Dec - 30 Dec Turkish Airlines
31 Dec - 14 Jan Turkish Airlines
02 Dec - 31 Dec Turkish Airlines
10 Dec - 30 Dec Turkish Airlines
23 Dec - 18 Jan Alaska Airlines
26 Dec - 15 Jan Alaska Airlines
23 Dec - 14 Jan Alaska Airlines
25 Dec - 14 Jan Alaska Airlines
30 Dec - 12 Jan Cathay Pacific
10 Dec - 11 Jan Spirit Airlines
29 Dec - 07 Jan Turkish Airlines
24 Dec - 19 Jan Hawaiian Airlines

Also check the deals for one-way flights from Chicago to Seoul in December.

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