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

Return flights

09 Apr - 23 Apr	Norwegian Air Sweden AOC
16 Apr - 18 May	Air China
08 Apr - 17 Apr	Vueling Airlines
08 Apr - 22 Apr	Vueling Airlines
08 Apr - 29 Apr	Vueling Airlines
01 Apr - 14 Apr	Vueling Airlines
20 Apr - 03 May	Cathay Pacific
20 Apr - 26 Apr	Vueling Airlines
24 Apr - 01 May	Ryanair
02 Apr - 14 Apr	Saudia
03 Apr - 18 Apr	KLM
10 Apr - 19 Apr	Wizz Air Malta
13 Apr - 19 Apr	SWISS
18 Apr - 02 May	Vueling Airlines

Also check the deals for one-way flights from Barcelona to Bangkok in April.

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 April from 619€

Return flights