Cheapest return flights from Bangkok to Brussels in September from $658

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

Return flights

10 Sep - 23 Sep Qatar Airways
11 Sep - 01 Oct Etihad Airways
12 Sep - 11 Oct SWISS
10 Sep - 30 Sep SWISS
04 Sep - 30 Sep Qatar Airways
05 Sep - 27 Sep Emirates
18 Sep - 17 Oct SWISS
10 Sep - 23 Sep Thai Airways direct
12 Sep - 11 Oct 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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