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

Return flights

05 Dec - 22 Dec	SWISS
08 Dec - 21 Dec	Luxair
06 Dec - 13 Dec	Ryanair
07 Dec - 19 Dec	Aegean Airlines
01 Dec - 20 Dec	British Airways
03 Dec - 16 Dec	SWISS
06 Dec - 12 Dec	Turkish Airlines
06 Dec - 19 Dec	Turkish Airlines
13 Dec - 27 Dec	Ryanair
11 Dec - 14 Dec	easyJet
10 Dec - 10 Jan	SWISS
30 Dec - 14 Jan	Lufthansa
11 Dec - 19 Jan	Austrian Airlines
14 Dec - 02 Jan	Ryanair
29 Dec - 11 Jan	Luxair
29 Dec - 04 Jan	easyJet
25 Dec - 04 Jan	Luxair
24 Dec - 04 Jan	Luxair
24 Dec - 03 Jan	Luxair
14 Dec - 03 Jan	Luxair

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 589€

Return flights