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

Return flights

23 May - 10 Jun	Turkish Airlines
30 May - 03 Jun	Turkish Airlines
28 May - 22 Jun	Etihad Airways
05 May - 13 May	Finnair
06 May - 14 May	Finnair
13 May - 21 May	Finnair
23 May - 08 Jun	Turkish Airlines
14 May - 28 May	Etihad Airways
14 May - 09 Jun	Etihad Airways
21 May - 02 Jun	Turkish Airlines
22 May - 25 May	Finnair
14 May - 29 May	Finnair
08 May - 21 May	Finnair
22 May - 10 Jun	Finnair
22 May - 11 Jun	Finnair
01 May - 11 May	Finnair
01 May - 05 May	Qatar Airways
04 May - 18 May	SWISS
23 May - 08 Jun	Thai Airways	direct
23 May - 10 Jun	Thai Airways	direct

Also check the deals for one-way flights from Brussels to Bangkok 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 Brussels to Bangkok in May from $648

Return flights