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

Return flights

06 Apr - 14 Apr	VietJet Air
04 Apr - 12 Apr	VietJet Air
18 Apr - 25 Apr	VietJet Air
03 Apr - 07 Apr	VietJet Air
03 Apr - 06 Apr	VietJet Air
04 Apr - 07 Apr	VietJet Air
04 Apr - 08 Apr	VietJet Air
25 Apr - 29 Apr	VietJet Air
11 Apr - 25 Apr	VietJet Air
28 Apr - 05 May	VietJet Air
11 Apr - 25 Apr	Vietnam Airlines	direct
28 Apr - 03 May	VietJet Air
27 Apr - 02 May	VietJet Air
25 Apr - 03 May	VietJet Air
26 Apr - 03 May	VietJet Air
30 Apr - 04 May	VietJet Air
29 Apr - 03 May	VietJet Air
30 Apr - 03 May	VietJet Air

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

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 April from $233

Return flights