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

Return flights

10 Mar - 22 Mar	Pegasus Airlines
08 Mar - 22 Mar	Vueling Airlines
09 Mar - 22 Mar	Vueling Airlines
21 Mar - 05 Apr	Air China
01 Mar - 08 Mar	Vueling Airlines
04 Mar - 22 Mar	Pegasus Airlines
02 Mar - 22 Mar	Pegasus Airlines
08 Mar - 18 Mar	Air China
12 Mar - 31 Mar	Air China
16 Mar - 02 Apr	Air China
26 Mar - 07 Apr	Air China
02 Mar - 12 Mar	Pegasus Airlines
02 Mar - 13 Mar	Vueling Airlines
03 Mar - 28 Apr	Saudia
22 Mar - 22 Apr	Vueling Airlines
28 Mar - 06 Apr	Vueling Airlines
15 Mar - 06 Apr	SWISS
22 Mar - 06 Apr	SWISS
09 Mar - 09 Apr	Air China
19 Mar - 06 Apr	Vueling Airlines

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 $688

Return flights