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

Return flights

21 Apr - 26 May	Finnair
21 Apr - 12 May	Finnair
23 Apr - 19 May	SWISS
20 Apr - 12 May	SWISS
30 Apr - 17 May	Finnair
30 Apr - 30 May	Finnair
20 Apr - 11 May	Finnair
24 Apr - 15 May	Finnair
16 Apr - 04 May	Finnair
23 Apr - 07 May	Finnair
09 Apr - 29 Apr	Etihad Airways
07 Apr - 27 Apr	Brussels Airlines
11 Apr - 25 Apr	Ryanair
10 Apr - 26 Apr	Ryanair
07 Apr - 29 Apr	Brussels Airlines
03 Apr - 23 Apr	Ryanair
11 Apr - 26 Apr	Ryanair
03 Apr - 18 Apr	Ryanair
07 Apr - 20 Apr	Brussels Airlines
13 Apr - 28 Apr	Qatar Airways

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

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 April from 552€

Return flights