Cheapest return flights from Seoul to Nha Trang in December from $227

AirHint found the following cheapest return flights from Seoul (GMP) to Nha Trang (CXR) in December 2025 (see full year).

Return flights

23 Dec - 25 Dec Air Busan
22 Dec - 26 Dec Jeju Air
17 Dec - 25 Dec Jin Air
18 Dec - 25 Dec Air Busan
23 Dec - 27 Dec Air Busan
17 Dec - 20 Dec Jeju Air
14 Dec - 18 Dec Korean Air
22 Dec - 02 Jan Jeju Air
22 Dec - 27 Dec Jin Air
21 Dec - 27 Dec Air Busan
27 Dec - 03 Jan Jeju Air
24 Dec - 02 Jan Air Busan
30 Dec - 02 Jan Air Busan
23 Dec - 28 Dec Air Busan
26 Dec - 07 Jan Jin Air
31 Dec - 06 Jan Air Busan
30 Dec - 04 Jan Jin Air

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

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