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

Return flights

23 Dec - 05 Jan	Sichuan Airlines
25 Dec - 04 Jan	Sichuan Airlines
30 Dec - 06 Jan	Saudia
22 Dec - 22 Jan	Iberia
12 Dec - 15 Dec	Air China
25 Dec - 03 Jan	Norse Atlantic Airways (UK)
22 Dec - 06 Jan	Saudia
24 Dec - 03 Jan	Air China
21 Dec - 05 Jan	Etihad Airways
19 Dec - 03 Jan	VietJet Air
21 Dec - 04 Jan	Iberia
04 Dec - 21 Dec	Norse Atlantic Airways (UK)
15 Dec - 25 Dec	Iberia
12 Dec - 20 Dec	Sichuan Airlines
05 Dec - 13 Dec	Iberia
20 Dec - 31 Dec	Finnair
19 Dec - 29 Dec	Emirates
19 Dec - 31 Dec	Emirates

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 567€

Return flights