Cheapest return flights from Brussels to Bangkok in September from $440

Best time to book flights for Brussels (BRU) to Bangkok (BKK) flights at AirHint

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

Return flights

01 Sep - 22 Sep Austrian Airlines
11 Sep - 03 Oct Lufthansa
11 Sep - 28 Sep Finnair
09 Sep - 22 Sep Finnair
05 Sep - 15 Sep Finnair
02 Sep - 15 Sep Finnair
07 Sep - 22 Sep Finnair
02 Sep - 28 Sep Finnair
07 Sep - 15 Sep Finnair
14 Sep - 24 Sep Finnair
07 Sep - 23 Sep Finnair
08 Sep - 09 Oct Austrian Airlines
15 Sep - 06 Oct Austrian Airlines
15 Sep - 03 Oct Austrian Airlines
20 Sep - 06 Oct Austrian Airlines
20 Sep - 03 Oct Austrian Airlines
21 Sep - 08 Oct Austrian Airlines
19 Sep - 05 Oct Finnair
19 Sep - 03 Oct Austrian Airlines
16 Sep - 15 Oct Finnair

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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