Cheapest return flights from Bangkok to Brussels in September from 341€

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

Return flights

30 Sep - 07 Oct SWISS
23 Sep - 22 Oct SWISS
04 Sep - 11 Sep Hainan Airlines
23 Sep - 26 Oct Hainan Airlines
06 Sep - 16 Sep Hainan Airlines
01 Sep - 29 Sep Hainan Airlines
08 Sep - 13 Oct Hainan Airlines
07 Sep - 31 Oct Hainan Airlines
08 Sep - 15 Sep Hainan Airlines
24 Sep - 22 Oct Hainan Airlines
02 Sep - 22 Sep Hainan Airlines
08 Sep - 21 Sep Hainan Airlines
16 Sep - 23 Sep Hainan Airlines
01 Sep - 09 Oct Hainan Airlines
25 Sep - 29 Sep IndiGo
23 Sep - 01 Oct Etihad Airways
12 Sep - 11 Oct Hainan Airlines
20 Sep - 27 Sep IndiGo
01 Sep - 30 Sep Hainan Airlines
16 Sep - 28 Oct Etihad Airways

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

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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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