Cheapest return flights from Bangkok to Brussels in September from $629

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

Return flights

25 Sep - 28 Oct IndiGo
21 Sep - 05 Oct Thai Lion Air
24 Sep - 03 Oct Thai VietJet Air
23 Sep - 03 Oct Thai VietJet Air
24 Sep - 01 Oct Etihad Airways
20 Sep - 27 Sep Etihad Airways
29 Sep - 15 Oct Emirates
19 Sep - 26 Sep Emirates
20 Sep - 23 Sep Emirates
25 Sep - 28 Oct Thai Airways direct
21 Sep - 05 Oct Thai Airways direct
20 Sep - 27 Sep Thai Airways direct

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