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

Return flights

26 May - 05 Jun	SWISS
26 May - 04 Jun	SWISS
27 May - 06 Jun	SWISS
21 May - 25 May	SWISS
27 May - 05 Jun	SWISS
04 May - 28 May	Etihad Airways
04 May - 11 May	Etihad Airways
12 May - 22 May	Etihad Airways
29 May - 15 Jun	SWISS
14 May - 31 May	SWISS
14 May - 24 May	SWISS
04 May - 30 May	Etihad Airways
23 May - 30 May	SWISS
31 May - 02 Jun	Austrian Airlines
07 May - 19 May	SWISS
30 May - 06 Jun	Lufthansa
15 May - 24 May	Etihad Airways
17 May - 25 Jun	SWISS
10 May - 30 Jun	Etihad Airways
26 May - 04 Jun	Thai Airways	direct

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

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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Cheapest return flights from Bangkok to Brussels in May from 553€

Return flights