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

Return flights

31 Aug - 07 Sep	HK Express
31 Aug - 06 Sep	HK Express
25 Aug - 27 Aug	VietJet Air
21 Aug - 31 Aug	VietJet Air
18 Aug - 22 Aug	VietJet Air
20 Aug - 27 Aug	VietJet Air
20 Aug - 24 Aug	VietJet Air
21 Aug - 24 Aug	VietJet Air
23 Aug - 25 Aug	VietJet Air
22 Aug - 24 Aug	VietJet Air
18 Aug - 24 Aug	VietJet Air
31 Aug - 02 Sep	HK Express
27 Aug - 03 Sep	VietJet Air
28 Aug - 03 Sep	Vietnam Airlines
25 Aug - 01 Sep	VietJet Air
22 Aug - 17 Sep	VietJet Air
22 Aug - 26 Aug	VietJet Air
29 Aug - 03 Sep	VietJet Air
20 Aug - 01 Sep	VietJet Air
28 Aug - 01 Sep	VietJet Air

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

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 August from 196€

Return flights