Cheapest return flights from Cincinnati to Seoul in December from $915

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

Return flights

05 Dec - 14 Jan Delta
05 Dec - 13 Jan Frontier Airlines
04 Dec - 13 Jan United
05 Dec - 12 Jan Delta
06 Dec - 11 Jan Frontier Airlines
05 Dec - 11 Jan Delta
08 Dec - 11 Jan Delta
02 Dec - 08 Jan Frontier Airlines
10 Dec - 13 Jan United

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

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