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

Return flights

26 Dec - 31 Dec	VietJet Air	direct
14 Dec - 17 Dec	VietJet Air
24 Dec - 03 Jan	VietJet Air	direct
02 Dec - 05 Dec	VietJet Air
09 Dec - 12 Dec	VietJet Air
17 Dec - 24 Dec	VietJet Air
06 Dec - 09 Dec	VietJet Air
07 Dec - 15 Dec	VietJet Air
09 Dec - 14 Dec	VietJet Air
10 Dec - 14 Dec	VietJet Air
15 Dec - 21 Dec	VietJet Air
25 Dec - 03 Jan	VietJet Air	direct
19 Dec - 10 Jan	VietJet Air
18 Dec - 10 Jan	VietJet Air
31 Dec - 06 Jan	VietJet Air
29 Dec - 13 Jan	VietJet Air
21 Dec - 10 Jan	VietJet Air
31 Dec - 10 Jan	VietJet Air
22 Dec - 10 Jan	VietJet Air
20 Dec - 09 Jan	VietJet Air

Also check the deals for one-way flights from Busan to Nha Trang 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 Busan to Nha Trang in December from 153€

Return flights