Cheapest return flights from Bangkok to Brussels in September from $770

AirHint found the following cheapest return flights from Bangkok (BKK) to Brussels (BRU) in September 2026 (see full year).

Return flights

04 Sep - 21 Sep SWISS
27 Sep - 18 Oct Austrian Airlines
27 Sep - 18 Oct Thai Airways direct

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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