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

One-Way flights

25 Aug	Hainan Airlines
22 Aug	Hainan Airlines
03 Aug	China Eastern
04 Aug	China Eastern
02 Aug	China Eastern
19 Aug	Thai Lion Air
04 Aug	Iberojet	direct
05 Aug	AirAsia
21 Aug	China Southern
17 Aug	China Southern

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 334€

One-Way flights