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

Return flights

21 Aug - 16 Sep	SWISS
28 Aug - 11 Sep	KLM
25 Aug - 10 Sep	Lufthansa
26 Aug - 10 Sep	Lufthansa
25 Aug - 30 Sep	Lufthansa
24 Aug - 08 Sep	Lufthansa
23 Aug - 08 Sep	SWISS
23 Aug - 06 Sep	Ryanair
25 Aug - 04 Sep	KLM
15 Aug - 22 Aug	Ryanair
29 Aug - 12 Sep	Ryanair
18 Aug - 28 Aug	Ryanair
10 Aug - 22 Aug	KLM
08 Aug - 22 Aug	Turkish Airlines
07 Aug - 17 Aug	Turkish Airlines
04 Aug - 17 Aug	Turkish Airlines
17 Aug - 24 Aug	Ryanair
15 Aug - 23 Aug	Ryanair
01 Aug - 22 Aug	Turkish Airlines
01 Aug - 05 Aug	Turkish Airlines

Also check the deals for one-way flights from Luxemburg to Bangkok in August.

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 August from 595€

Return flights