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

Return flights

03 Mar - 19 Mar	Scandinavian Airlines
02 Mar - 19 Mar	Hainan Airlines
05 Mar - 19 Mar	Ryanair
14 Mar - 23 Mar	Hainan Airlines
12 Mar - 22 Mar	Hainan Airlines
12 Mar - 02 Apr	Hainan Airlines
17 Mar - 24 Mar	KLM
16 Mar - 02 Apr	KLM
10 Mar - 25 Mar	KLM
20 Mar - 06 Apr	Hainan Airlines
08 Mar - 17 Mar	Hainan Airlines
28 Mar - 06 Apr	Hainan Airlines
28 Mar - 08 Apr	Hainan Airlines
03 Mar - 24 Mar	Hainan Airlines
14 Mar - 28 Mar	Ryanair
14 Mar - 06 Apr	Ryanair
21 Mar - 08 Apr	Hainan Airlines
21 Mar - 06 Apr	Ryanair
17 Mar - 06 Apr	Scandinavian Airlines
07 Mar - 04 Apr	Ryanair

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

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 March from $553

Return flights