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

Return flights

31 Aug - 17 Sep	Etihad Airways
26 Aug - 15 Sep	Etihad Airways
31 Aug - 15 Sep	Etihad Airways
29 Aug - 15 Sep	ITA Airways
25 Aug - 15 Sep	ITA Airways
29 Aug - 16 Sep	Shenzhen Airlines
30 Aug - 15 Sep	KLM
27 Aug - 14 Sep	Shenzhen Airlines
27 Aug - 10 Sep	KLM
27 Aug - 09 Sep	Air China
21 Aug - 31 Aug	Wizz Air Malta
19 Aug - 26 Aug	Etihad Airways
21 Aug - 28 Aug	ITA Airways
05 Aug - 19 Aug	Vueling Airlines
04 Aug - 15 Aug	Ryanair
04 Aug - 10 Aug	Etihad Airways
04 Aug - 19 Aug	Etihad Airways
07 Aug - 16 Aug	Air China
20 Aug - 25 Aug	ITA Airways
12 Aug - 19 Aug	Vueling Airlines

Also check the deals for one-way flights from Barcelona to Hanoi 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 Barcelona to Hanoi in August from 680€

Return flights