Cheapest return flights from Chicago to Seoul in December from $873

AirHint found the following cheapest return flights from Chicago (ORD) to Seoul (ICN) in December 2026 (see full year).

Return flights

01 Dec - 08 Dec Turkish Airlines
05 Dec - 19 Dec Turkish Airlines
15 Dec - 22 Dec LOT
28 Dec - 26 Jan Air Canada
28 Dec - 19 Jan Air Canada
15 Dec - 23 Dec LOT
15 Dec - 26 Dec LOT
24 Dec - 17 Jan LOT
13 Dec - 20 Dec Turkish Airlines
15 Dec - 24 Dec Lufthansa
15 Dec - 25 Dec Lufthansa
15 Dec - 20 Dec LOT
16 Dec - 26 Dec Alaska Airlines
28 Dec - 26 Jan Korean Air direct
28 Dec - 19 Jan Delta direct
18 Dec - 15 Jan Turkish Airlines
18 Dec - 15 Jan Delta direct

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

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