Cheapest return flights from Brussels to Bangkok in September from $231

AirHint found the following cheapest return flights from Brussels (BRU) to Bangkok (BKK) in September 2025 (see full year).

Return flights

06 Sep - 15 Sep Lufthansa
05 Sep - 09 Sep Lufthansa
02 Sep - 09 Sep Austrian Airlines
02 Sep - 19 Sep Austrian Airlines
07 Sep - 23 Sep Lufthansa
10 Sep - 10 Oct Lufthansa
13 Sep - 01 Oct Austrian Airlines
01 Sep - 30 Sep Juneyao Airlines
02 Sep - 23 Sep SWISS
06 Sep - 17 Sep Lufthansa
12 Sep - 18 Sep Austrian Airlines
10 Sep - 23 Sep Austrian Airlines
22 Sep - 08 Oct Austrian Airlines
04 Sep - 09 Oct Austrian Airlines
17 Sep - 16 Oct Austrian Airlines
18 Sep - 16 Oct Austrian Airlines
09 Sep - 28 Oct Austrian Airlines
10 Sep - 28 Oct Austrian Airlines
16 Sep - 07 Oct Austrian Airlines
10 Sep - 03 Oct Austrian Airlines

Also check the deals for one-way flights from Brussels to Bangkok in September.

Skyscanner

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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