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

Return flights

29 Aug - 14 Sep	Vueling Airlines
28 Aug - 14 Sep	Iberia
29 Aug - 05 Sep	Iberia
04 Aug - 02 Sep	Vueling Airlines
06 Aug - 02 Sep	Vueling Airlines
03 Aug - 02 Sep	Vueling Airlines
06 Aug - 24 Aug	Vueling Airlines
06 Aug - 25 Aug	Vueling Airlines
04 Aug - 18 Aug	Vueling Airlines
05 Aug - 26 Aug	Vueling Airlines
06 Aug - 27 Aug	Vueling Airlines
15 Aug - 24 Aug	Vueling Airlines
06 Aug - 26 Aug	Vueling Airlines
06 Aug - 23 Aug	Vueling Airlines
08 Aug - 27 Aug	Vueling Airlines
15 Aug - 06 Sep	Wizz Air Malta
08 Aug - 26 Aug	Vueling Airlines
08 Aug - 02 Sep	Iberia

Also check the deals for one-way flights from Bilbao 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 Bilbao to Hanoi in August from 768€

Return flights