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

One-Way flights

17 Aug	China Eastern
22 Aug	Hainan Airlines
19 Aug	China Eastern
16 Aug	Thai AirAsia
18 Aug	China Eastern
26 Aug	Thai Lion Air
20 Aug	China Eastern
21 Aug	China Eastern
23 Aug	VietJet Air
31 Aug	Thai Lion Air

Also check the deals for return 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 one-way flights from Bangkok to Madrid in August from 361€

One-Way flights