Cheapest return flights from Chicago to Seoul in December from 1034€

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

Return flights

31 Dec - 14 Jan Frontier Airlines
25 Dec - 21 Jan Frontier Airlines
31 Dec - 11 Jan EVA Air
24 Dec - 11 Jan Alaska Airlines
31 Dec - 07 Jan Air Canada
24 Dec - 12 Jan Alaska Airlines
26 Dec - 08 Jan Frontier Airlines
28 Dec - 10 Jan Air Canada
25 Dec - 29 Dec Turkish Airlines
26 Dec - 28 Dec Frontier Airlines
25 Dec - 01 Jan Frontier Airlines
25 Dec - 31 Dec Frontier Airlines
24 Dec - 09 Jan EVA Air
25 Dec - 31 Dec Korean Air direct
26 Dec - 28 Dec Delta direct
25 Dec - 29 Dec Delta direct

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

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