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

Return flights

09 May - 19 May	SWISS
25 May - 25 Jun	Lufthansa
14 May - 28 May	Lufthansa
14 May - 29 May	Lufthansa
04 May - 25 May	Lufthansa
13 May - 17 May	Lufthansa
16 May - 07 Jun	Lufthansa
20 May - 26 May	Austrian Airlines
23 May - 14 Jun	Austrian Airlines
23 May - 13 Jun	Austrian Airlines
14 May - 21 May	Lufthansa
11 May - 30 May	Lufthansa
01 May - 29 May	Finnair
01 May - 23 May	Finnair
23 May - 13 Jun	Thai Airways	direct
23 May - 14 Jun	Thai Airways	direct
16 May - 07 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 515€

Return flights