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

Return flights

28 Oct - 10 Nov	Air China
30 Oct - 10 Nov	Air China
28 Oct - 12 Nov	Air China
16 Oct - 24 Nov	Air China
16 Oct - 26 Nov	Air China
16 Oct - 27 Nov	Air China
16 Oct - 20 Nov	Air China
16 Oct - 22 Nov	Air China
24 Oct - 03 Nov	Air China
23 Oct - 06 Nov	Air China
13 Oct - 23 Oct	Shenzhen Airlines
15 Oct - 28 Oct	Vueling Airlines
01 Oct - 14 Oct	Vueling Airlines
01 Oct - 15 Oct	Vueling Airlines
20 Oct - 26 Oct	Shenzhen Airlines
19 Oct - 31 Oct	Ryanair
08 Oct - 15 Oct	Etihad Airways
24 Oct - 31 Oct	Ryanair
08 Oct - 31 Oct	Etihad Airways
17 Oct - 24 Oct	Ryanair

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

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 October from 613€

Return flights