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

Return flights

08 Dec - 30 Dec	Shenzhen Airlines
01 Dec - 14 Dec	Shenzhen Airlines
05 Dec - 21 Dec	Shenzhen Airlines
05 Dec - 14 Dec	Shenzhen Airlines
06 Dec - 20 Dec	Air China
04 Dec - 20 Dec	Air China
08 Dec - 18 Dec	Air China
07 Dec - 28 Dec	Air China
07 Dec - 19 Dec	Air China
08 Dec - 28 Dec	Air China
15 Dec - 15 Jan	Vueling Airlines
04 Dec - 08 Jan	Air China
28 Dec - 05 Jan	AZAL
20 Dec - 08 Jan	AZAL
20 Dec - 10 Jan	AZAL
20 Dec - 05 Jan	AZAL
16 Dec - 08 Jan	ITA Airways
20 Dec - 01 Jan	AZAL
27 Dec - 17 Jan	AZAL
27 Dec - 13 Jan	AZAL

Also check the deals for one-way flights from Barcelona to Hanoi in December.

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 December from $658

Return flights