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

Return flights

01 Aug - 27 Aug	Etihad Airways
01 Aug - 30 Aug	Etihad Airways
01 Aug - 04 Sep	Etihad Airways
04 Aug - 14 Aug	China Eastern
04 Aug - 21 Aug	China Eastern
04 Aug - 21 Aug	Iberojet	direct
06 Aug - 26 Aug	Etihad Airways
03 Aug - 15 Aug	China Eastern
03 Aug - 17 Aug	China Eastern
09 Aug - 13 Aug	Iberia
01 Aug - 31 Aug	Etihad Airways
25 Aug - 13 Sep	Iberia
29 Aug - 14 Sep	Iberia
01 Aug - 04 Sep	Iberojet	direct
21 Aug - 07 Sep	Emirates
21 Aug - 16 Sep	Emirates
27 Aug - 17 Sep	Iberia
29 Aug - 05 Sep	Iberia
29 Aug - 08 Sep	Iberia
29 Aug - 07 Sep	Iberia

Also check the deals for one-way flights from Bangkok to Madrid 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 Madrid in August from 534€

Return flights