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

Return flights

05 Dec - 17 Dec	China Southern
01 Dec - 11 Dec	Ryanair
05 Dec - 15 Dec	China Southern
05 Dec - 11 Dec	China Southern
04 Dec - 18 Dec	Ryanair
05 Dec - 23 Dec	China Southern
01 Dec - 25 Dec	easyJet
05 Dec - 18 Dec	China Southern
01 Dec - 14 Dec	Ryanair
08 Dec - 15 Dec	Ryanair
15 Dec - 20 Jan	Luxair
05 Dec - 30 Jan	China Southern
18 Dec - 15 Jan	Turkish Airlines
05 Dec - 16 Jan	China Southern
29 Dec - 13 Jan	Ryanair
29 Dec - 19 Jan	Ryanair
03 Dec - 27 Jan	Air France
31 Dec - 28 Jan	Luxair
12 Dec - 11 Jan	China Southern
31 Dec - 15 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 $505

Return flights