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

Return flights

21 Sep - 04 Oct	Vueling Airlines
18 Sep - 04 Oct	Vueling Airlines
16 Sep - 04 Oct	easyJet
29 Sep - 14 Oct	Shenzhen Airlines
13 Sep - 03 Oct	Vueling Airlines
04 Sep - 17 Sep	Vueling Airlines
17 Sep - 24 Sep	Ryanair
13 Sep - 20 Sep	Vueling Airlines
10 Sep - 24 Sep	Ryanair
24 Sep - 12 Oct	easyJet
27 Sep - 10 Oct	Vueling Airlines
04 Sep - 03 Oct	Air China
05 Sep - 19 Sep	Ryanair
10 Sep - 21 Sep	easyJet
06 Sep - 19 Sep	Ryanair
06 Sep - 20 Sep	Ryanair
04 Sep - 14 Sep	easyJet
29 Sep - 07 Oct	Shenzhen Airlines
01 Sep - 14 Sep	Ryanair
19 Sep - 08 Oct	Wizz Air Malta

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

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 September from 588€

Return flights