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

Return flights

23 Jan - 27 Feb	VietJet Air
13 Jan - 20 Jan	VietJet Air
20 Jan - 27 Jan	VietJet Air
24 Jan - 01 Feb	VietJet Air
23 Jan - 30 Jan	VietJet Air
08 Jan - 14 Jan	VietJet Air
09 Jan - 12 Jan	VietJet Air
10 Jan - 12 Jan	VietJet Air
14 Jan - 20 Jan	VietJet Air
15 Jan - 25 Jan	VietJet Air
15 Jan - 19 Jan	VietJet Air
16 Jan - 19 Jan	VietJet Air
29 Jan - 08 Feb	VietJet Air
01 Jan - 05 Feb	VietJet Air
26 Jan - 02 Feb	VietJet Air
23 Jan - 27 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 $223

Return flights