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

Return flights

05 Dec - 18 Dec	China Southern
11 Dec - 18 Jan	Luxair
01 Dec - 18 Dec	Ryanair
06 Dec - 20 Dec	Ryanair
16 Dec - 23 Dec	Ryanair
30 Dec - 25 Jan	Ryanair
03 Dec - 29 Dec	Ryanair
03 Dec - 30 Dec	Ryanair
05 Dec - 20 Dec	KLM
11 Dec - 11 Jan	Luxair
10 Dec - 18 Jan	Luxair
05 Dec - 16 Jan	China Southern
05 Dec - 30 Jan	China Southern
15 Dec - 28 Dec	Ryanair
29 Dec - 25 Jan	Ryanair
05 Dec - 30 Dec	China Southern
05 Dec - 27 Dec	China Southern
10 Dec - 12 Jan	Luxair
15 Dec - 28 Jan	Ryanair
29 Dec - 10 Jan	Ryanair

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 448€

Return flights