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

Return flights

16 Mar - 30 Mar	Air China
21 Mar - 05 Apr	Air China
10 Mar - 17 Mar	Etihad Airways
01 Mar - 10 Mar	Etihad Airways
02 Mar - 21 Mar	Etihad Airways
02 Mar - 16 Mar	Etihad Airways
06 Mar - 21 Mar	ITA Airways
10 Mar - 27 Mar	Etihad Airways
26 Mar - 06 Apr	Vueling Airlines
12 Mar - 27 Mar	Air China
01 Mar - 01 Apr	Air China
02 Mar - 15 Mar	Etihad Airways
06 Mar - 15 Mar	ITA Airways
23 Mar - 28 Apr	Iberia
30 Mar - 05 Apr	Cathay Pacific
27 Mar - 10 Apr	ITA Airways
29 Mar - 05 Apr	ITA Airways
28 Mar - 05 Apr	Vueling Airlines

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

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 March from $721

Return flights