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

Return flights

18 Aug - 29 Aug	Saudia
25 Aug - 01 Sep	Saudia
18 Aug - 08 Sep	Saudia
18 Aug - 31 Aug	Saudia
06 Aug - 13 Aug	Finnair
06 Aug - 18 Aug	Finnair
06 Aug - 27 Aug	Finnair
13 Aug - 25 Aug	Finnair
18 Aug - 27 Aug	Finnair
06 Aug - 20 Aug	Finnair
06 Aug - 25 Aug	Finnair
11 Aug - 27 Aug	Finnair
26 Aug - 02 Sep	Finnair
11 Aug - 02 Sep	Finnair
18 Aug - 02 Sep	Finnair
20 Aug - 06 Sep	KLM
25 Aug - 06 Sep	KLM
23 Aug - 03 Sep	Finnair
24 Aug - 04 Sep	Emirates
28 Aug - 04 Sep	SWISS

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 645€

Return flights