AirHint found the following cheapest return flights from Barcelona (BCN) to Bangkok (BKK) in August 2025 (see full year).

Return flights

25 Aug - 10 Sep	Ryanair
27 Aug - 09 Sep	Wizz Air Malta
27 Aug - 11 Sep	Wizz Air Malta
26 Aug - 10 Sep	Vueling Airlines
26 Aug - 08 Sep	Vueling Airlines
27 Aug - 10 Sep	Wizz Air Malta
28 Aug - 08 Sep	Wizz Air Malta
28 Aug - 11 Sep	Wizz Air Malta
21 Aug - 08 Sep	Wizz Air Malta
30 Aug - 17 Sep	Ryanair
28 Aug - 31 Aug	Ryanair
22 Aug - 31 Aug	Vueling Airlines
26 Aug - 31 Aug	Vueling Airlines
25 Aug - 31 Aug	Wizz Air Malta
24 Aug - 31 Aug	Vueling Airlines
20 Aug - 27 Aug	Ryanair
25 Aug - 29 Aug	Vueling Airlines
18 Aug - 21 Aug	Ryanair
19 Aug - 27 Aug	Vueling Airlines
20 Aug - 31 Aug	Ryanair

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

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 August from $713

Return flights