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

Return flights

24 Aug - 09 Sep	Etihad Airways
27 Aug - 07 Sep	Saudia
25 Aug - 15 Sep	Vueling Airlines
27 Aug - 10 Sep	Air France
25 Aug - 08 Sep	Pegasus Airlines
18 Aug - 10 Sep	Pegasus Airlines
25 Aug - 10 Sep	Pegasus Airlines
31 Aug - 13 Sep	Etihad Airways
18 Aug - 22 Sep	KLM
31 Aug - 10 Sep	Air France
20 Aug - 29 Aug	Ryanair
18 Aug - 26 Aug	Ryanair
18 Aug - 25 Aug	Pegasus Airlines
18 Aug - 29 Aug	Ryanair
18 Aug - 28 Aug	Ryanair
19 Aug - 26 Aug	Finnair
12 Aug - 26 Aug	Finnair
11 Aug - 26 Aug	Finnair
13 Aug - 26 Aug	Finnair
27 Aug - 30 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 $702

Return flights