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

One-Way flights

04 Aug	China Eastern
18 Aug	China Eastern
06 Aug	China Eastern
05 Aug	China Eastern
09 Aug	China Eastern
10 Aug	China Eastern
07 Aug	China Eastern
11 Aug	China Eastern
04 Aug	Iberojet	direct
15 Aug	China Eastern

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 $375

One-Way flights