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

Return flights

04 Aug - 04 Sep	Thai Lion Air
08 Aug - 25 Aug	Thai AirAsia
09 Aug - 22 Aug	Thai AirAsia
04 Aug - 29 Aug	AirAsia
21 Aug - 28 Aug	Thai Lion Air
01 Aug - 14 Aug	Batik Air Malaysia
25 Aug - 31 Aug	Thai AirAsia
26 Aug - 27 Aug	Thai Lion Air

Also check the deals for one-way flights from Bangkok to Barcelona 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 Bangkok to Barcelona in August from 706€

Return flights