AirHint found the following cheapest return flights from Brussels (BRU) to Bangkok (BKK)
in December 2025 (see full year ).
Return flights
01 Dec
- 14 Dec
Austrian Airlines
$ 587
08 Dec
- 14 Dec
Austrian Airlines
$ 587
03 Dec
- 17 Dec
Austrian Airlines
$ 587
02 Dec
- 16 Dec
Austrian Airlines
$ 587
06 Dec
- 12 Dec
Austrian Airlines
$ 587
07 Dec
- 13 Dec
Austrian Airlines
$ 587
02 Dec
- 17 Dec
Austrian Airlines
$ 587
01 Dec
- 05 Dec
Austrian Airlines
$ 587
05 Dec
- 13 Dec
Austrian Airlines
$ 587
01 Dec
- 08 Dec
Austrian Airlines
$ 587
02 Dec
- 29 Jan
Qatar Airways
$ 628
09 Dec
- 12 Jan
Singapore Airlines
$ 702
01 Dec
- 11 Jan
Singapore Airlines
$ 702
02 Dec
- 14 Jan
Singapore Airlines
$ 702
02 Dec
- 15 Jan
Singapore Airlines
$ 734
07 Dec
- 17 Jan
Finnair
$ 799
04 Dec
- 14 Jan
Cathay Pacific
$ 830
15 Dec
- 14 Jan
Cathay Pacific
$ 866
10 Dec
- 12 Jan
Ryanair
$ 881
10 Dec
- 13 Jan
Qatar Airways
$ 887
Also check the deals for one-way flights from Brussels 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.