AirHint found the following cheapest return flights from Hanoi (HAN) to Busan (PUS) in January 2026 (see full year).

Return flights

12 Jan - 16 Jan	VietJet Air	direct
14 Jan - 21 Jan	VietJet Air	direct
24 Jan - 08 Feb	VietJet Air
31 Jan - 04 Feb	VietJet Air
29 Jan - 05 Feb	VietJet Air
24 Jan - 27 Jan	VietJet Air
14 Jan - 29 Jan	VietJet Air
15 Jan - 29 Jan	VietJet Air
30 Jan - 01 Feb	VietJet Air
14 Jan - 22 Jan	VietJet Air
20 Jan - 23 Jan	VietJet Air
13 Jan - 18 Jan	VietJet Air
12 Jan - 15 Jan	VietJet Air
13 Jan - 16 Jan	VietJet Air
11 Jan - 28 Feb	VietJet Air
11 Jan - 28 Feb	Vietnam Airlines	direct
24 Jan - 08 Feb	Vietnam Airlines	direct

Also check the deals for one-way flights from Hanoi to Busan in January.

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 January from $164

Return flights