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

Return flights

10 Dec - 20 Dec	Air China
06 Dec - 19 Dec	Air China
01 Dec - 16 Dec	Air China
30 Dec - 20 Jan	Air China
30 Dec - 17 Jan	Air China
30 Dec - 16 Jan	Air China
30 Dec - 12 Jan	Air China
08 Dec - 20 Dec	Air China
30 Dec - 10 Jan	Air China
12 Dec - 23 Dec	Air China
05 Dec - 26 Dec	Air China
01 Dec - 08 Dec	easyJet
01 Dec - 15 Dec	Etihad Airways
02 Dec - 17 Dec	Vueling Airlines
01 Dec - 10 Dec	easyJet
13 Dec - 02 Jan	Wizz Air Malta
19 Dec - 02 Jan	Shenzhen Airlines
28 Dec - 09 Jan	Wizz Air Malta
24 Dec - 05 Jan	Shenzhen Airlines
28 Dec - 07 Jan	Wizz Air Malta

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 $620

Return flights