Cheapest return flights from Bangkok to Brussels in September from $730

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

13 Sep - 20 Sep Finnair
23 Sep - 06 Oct SWISS
08 Sep - 30 Sep Qatar Airways
08 Sep - 06 Oct Qatar Airways
23 Sep - 06 Oct Thai Airways direct
13 Sep - 20 Sep Thai Airways direct
08 Sep - 30 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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