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

Return flights

12 Dec - 19 Dec	VietJet Air
08 Dec - 15 Dec	VietJet Air
12 Dec - 19 Dec	T'way Air	direct
08 Dec - 15 Dec	T'way Air	direct
18 Dec - 25 Dec	VietJet Air
29 Dec - 03 Jan	VietJet Air
21 Dec - 28 Dec	VietJet Air
18 Dec - 25 Dec	T'way Air	direct
28 Dec - 01 Jan	VietJet Air
21 Dec - 28 Dec	T'way Air	direct
29 Dec - 03 Jan	T'way Air	direct
28 Dec - 01 Jan	T'way Air	direct

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Nha Trang to Busan in December from $298

Return flights