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

Return flights

23 Dec - 13 Jan	Thai AirAsia X
03 Dec - 09 Dec	Thai AirAsia
30 Dec - 07 Jan	Thai AirAsia
29 Dec - 10 Jan	Thai AirAsia
04 Dec - 10 Jan	Thai AirAsia X
29 Dec - 08 Jan	Thai AirAsia
09 Dec - 03 Jan	Thai Lion Air
08 Dec - 02 Jan	Thai Lion Air
27 Dec - 10 Jan	Nok Air
27 Dec - 31 Dec	Thai Lion Air
20 Dec - 05 Jan	Thai AirAsia
26 Dec - 08 Jan	Nok Air
01 Dec - 08 Dec	Thai AirAsia
05 Dec - 10 Dec	Batik Air Malaysia
16 Dec - 24 Dec	Thai Lion Air
05 Dec - 18 Dec	Nok Air
18 Dec - 25 Dec	Thai Lion Air
20 Dec - 30 Dec	Thai AirAsia X
12 Dec - 24 Dec	Thai AirAsia X
24 Dec - 31 Dec	Thai AirAsia

Also check the deals for one-way flights from Bangkok to Madrid in December.

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 December from 560€

Return flights