Cheapest return flights from Bangkok to Brussels in September from $631

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

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

Return flights

08 Sep - 15 Sep SWISS
07 Sep - 14 Sep Austrian Airlines
01 Sep - 15 Sep SWISS
01 Sep - 11 Sep SWISS
01 Sep - 14 Sep SWISS
08 Sep - 22 Sep SWISS
08 Sep - 15 Sep Thai Airways direct
08 Sep - 22 Sep Thai Airways direct
01 Sep - 15 Sep Thai Airways direct
01 Sep - 14 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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