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

Return flights

11 Dec - 16 Dec	VietJet Air
04 Dec - 08 Dec	VietJet Air
04 Dec - 16 Dec	VietJet Air
10 Dec - 16 Dec	VietJet Air
05 Dec - 16 Dec	VietJet Air
12 Dec - 16 Dec	VietJet Air
02 Dec - 06 Dec	VietJet Air
07 Dec - 16 Dec	VietJet Air
13 Dec - 16 Dec	VietJet Air
08 Dec - 16 Dec	VietJet Air
23 Dec - 17 Jan	VietJet Air
26 Dec - 06 Jan	VietJet Air
25 Dec - 04 Jan	VietJet Air
24 Dec - 04 Jan	VietJet Air
30 Dec - 04 Jan	VietJet Air
31 Dec - 05 Jan	VietJet Air

Also check the deals for one-way flights from Hanoi 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 Hanoi to Busan in December from $236

Return flights