AirHint found the following cheapest return flights from Brussels (BRU) to Bangkok (BKK) in August 2026 (see full year).

Return flights

25 Aug - 15 Sep	Etihad Airways
26 Aug - 07 Sep	Finnair
11 Aug - 01 Sep	Finnair
26 Aug - 14 Sep	Finnair
31 Aug - 14 Sep	Etihad Airways
30 Aug - 14 Sep	Etihad Airways
24 Aug - 28 Aug	Etihad Airways
11 Aug - 31 Aug	Finnair
29 Aug - 14 Sep	Finnair
31 Aug - 16 Sep	Finnair
28 Aug - 13 Sep	Finnair
30 Aug - 10 Sep	Finnair
13 Aug - 27 Aug	Finnair
11 Aug - 27 Aug	Finnair
12 Aug - 27 Aug	Finnair
11 Aug - 26 Aug	Finnair
11 Aug - 28 Aug	Finnair
12 Aug - 29 Aug	Finnair
13 Aug - 29 Aug	Finnair
10 Aug - 30 Aug	Finnair

Also check the deals for one-way flights from Brussels 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 Brussels to Bangkok in August from 570€

Return flights