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

Return flights

01 Dec - 10 Dec	Ryanair
04 Dec - 24 Dec	Lufthansa
02 Dec - 25 Jan	Turkish Airlines
01 Dec - 19 Dec	Turkish Airlines
06 Dec - 14 Dec	Turkish Airlines
06 Dec - 27 Dec	Turkish Airlines
02 Dec - 23 Dec	Turkish Airlines
01 Dec - 20 Dec	Turkish Airlines
05 Dec - 27 Dec	Turkish Airlines
07 Dec - 08 Jan	Ryanair
25 Dec - 07 Jan	Turkish Airlines
18 Dec - 21 Dec	easyJet
08 Dec - 06 Jan	Austrian Airlines
27 Dec - 10 Jan	Luxair
26 Dec - 17 Jan	Turkish Airlines
24 Dec - 31 Dec	KLM
10 Dec - 07 Jan	Lufthansa
09 Dec - 06 Jan	SWISS
17 Dec - 07 Jan	Luxair
10 Dec - 06 Jan	Austrian Airlines

Also check the deals for one-way flights from Luxemburg to Bangkok 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 Luxemburg to Bangkok in December from $729

Return flights