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

Return flights

12 Mar - 26 Mar	Vueling Airlines
03 Mar - 22 Mar	Pegasus Airlines
26 Mar - 14 Apr	Air China
20 Mar - 04 Apr	Air China
26 Mar - 09 Apr	Air China
26 Mar - 04 Apr	Air China
26 Mar - 06 Apr	Air China
23 Mar - 06 Apr	Air China
22 Mar - 29 Mar	Air China
26 Mar - 10 Apr	Air China
19 Mar - 06 Apr	Air China
05 Mar - 12 Mar	Vueling Airlines
10 Mar - 26 Mar	Pegasus Airlines
31 Mar - 28 Apr	Saudia
12 Mar - 19 Mar	Vueling Airlines
01 Mar - 16 Mar	Air China
01 Mar - 31 Mar	Air China
02 Mar - 16 Mar	Vueling Airlines
02 Mar - 12 Mar	Air China
16 Mar - 06 Apr	Air China

Also check the deals for one-way flights from Barcelona to Bangkok 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 Bangkok in March from 547€

Return flights