AirHint found the following cheapest return flights from Barcelona (BCN) to Hanoi (HAN) in January 2026 (see full year).

Return flights

05 Jan - 13 Jan	Air China
15 Jan - 27 Jan	Air China
05 Jan - 25 Jan	Air China
06 Jan - 13 Jan	Air China
06 Jan - 22 Jan	Air China
05 Jan - 20 Jan	Air China
10 Jan - 22 Jan	Air China
05 Jan - 19 Jan	Air China
08 Jan - 25 Jan	Air China
05 Jan - 21 Jan	Air China
15 Jan - 05 Feb	Air China
22 Jan - 05 Feb	Air China
24 Jan - 05 Feb	Air China
19 Jan - 01 Feb	Air China
26 Jan - 02 Feb	Air China
31 Jan - 13 Feb	Air China
23 Jan - 06 Feb	Air China
22 Jan - 25 Feb	Vueling Airlines
25 Jan - 25 Feb	Vueling Airlines
18 Jan - 25 Feb	Vueling Airlines

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

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 January from 535€

Return flights