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

Return flights

28 Apr - 25 May	Finnair
29 Apr - 25 May	Finnair
30 Apr - 26 May	SWISS
09 Apr - 18 May	SWISS
20 Apr - 04 May	SWISS
27 Apr - 25 May	Finnair
30 Apr - 30 May	Finnair
23 Apr - 08 May	Qatar Airways
30 Apr - 28 May	Finnair
07 Apr - 29 Apr	Qatar Airways
14 Apr - 30 Apr	Qatar Airways
13 Apr - 04 May	SWISS
13 Apr - 26 Apr	Singapore Airlines
09 Apr - 22 Apr	Singapore Airlines
15 Apr - 30 Apr	Finnair
07 Apr - 22 Apr	Singapore Airlines
06 Apr - 23 Apr	Etihad Airways
01 Apr - 20 Apr	Emirates
01 Apr - 21 Apr	Emirates
17 Apr - 30 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 550€

Return flights