Cheapest return flights from Raleigh-durham to Seoul in December from $908

AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Seoul (ICN) in December 2025 (see full year).

Return flights

31 Dec - 31 Jan United
04 Dec - 08 Dec United
05 Dec - 26 Dec Delta
09 Dec - 16 Dec Delta
15 Dec - 22 Jan Frontier Airlines
10 Dec - 17 Dec American Airlines
10 Dec - 26 Dec United
08 Dec - 29 Dec United
10 Dec - 31 Dec Delta
26 Dec - 11 Jan Frontier Airlines
16 Dec - 30 Dec Delta
16 Dec - 31 Dec Delta
15 Dec - 07 Jan Delta

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

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