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

Return flights

10 Mar - 19 Mar	Air China
12 Mar - 22 Mar	Air China
12 Mar - 19 Mar	Air China
03 Mar - 15 Mar	Air China
02 Mar - 11 Mar	Air China
02 Mar - 14 Mar	Air China
02 Mar - 15 Mar	Air China
01 Mar - 12 Mar	Air China
02 Mar - 10 Mar	Pegasus Airlines
04 Mar - 26 Mar	Vueling Airlines
25 Mar - 06 Apr	Vueling Airlines
29 Mar - 11 Apr	Norwegian Air Sweden AOC
27 Mar - 08 Apr	Ryanair
27 Mar - 11 Apr	Ryanair
30 Mar - 11 Apr	Ryanair
29 Mar - 13 Apr	Norwegian Air Sweden AOC
27 Mar - 06 Apr	Ryanair
26 Mar - 07 Apr	Vueling Airlines
26 Mar - 13 Apr	Ryanair
26 Mar - 06 Apr	Ryanair

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 $623

Return flights