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

Return flights

29 Aug - 15 Sep	Etihad Airways
24 Aug - 08 Sep	Ryanair
31 Aug - 15 Sep	Etihad Airways
26 Aug - 02 Sep	Ryanair
26 Aug - 07 Sep	Cathay Pacific
30 Aug - 07 Sep	Cathay Pacific
19 Aug - 08 Sep	Cathay Pacific
25 Aug - 07 Sep	Cathay Pacific
27 Aug - 12 Sep	Saudia
23 Aug - 07 Sep	Cathay Pacific
18 Aug - 29 Aug	Saudia
20 Aug - 29 Aug	Saudia
16 Aug - 29 Aug	Saudia
18 Aug - 26 Aug	Saudia
19 Aug - 31 Aug	Ryanair
19 Aug - 26 Aug	Ryanair
23 Aug - 31 Aug	Iberia
09 Aug - 29 Aug	Saudia
11 Aug - 29 Aug	Saudia
09 Aug - 15 Aug	Saudia

Also check the deals for one-way flights from Madrid 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 Madrid to Bangkok in August from 529€

Return flights