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

Return flights

23 Oct - 26 Oct	Air China
27 Oct - 10 Nov	Air China
27 Oct - 17 Nov	Air China
27 Oct - 05 Nov	Air China
27 Oct - 19 Nov	Air China
28 Oct - 12 Nov	Air China
02 Oct - 06 Oct	Air China
23 Oct - 03 Nov	Air China
02 Oct - 20 Oct	Air China
02 Oct - 27 Oct	Air China
27 Oct - 03 Nov	Air China
18 Oct - 30 Oct	Wizz Air Malta
02 Oct - 21 Oct	Air China
02 Oct - 14 Oct	Air China
04 Oct - 02 Nov	Air China
04 Oct - 14 Oct	Air China
28 Oct - 04 Nov	Air China
02 Oct - 11 Oct	Air China
04 Oct - 28 Oct	Air China
04 Oct - 04 Nov	Air China

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.

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi

Cheapest return flights from Barcelona to Hanoi in October from 491€

Return flights