AirHint found the following cheapest return flights from Brussels (BRU) to Singapore (SIN) in August 2025 (see full year).

Return flights

25 Aug - 09 Sep	Finnair
21 Aug - 14 Sep	Finnair
25 Aug - 08 Sep	Finnair
28 Aug - 11 Sep	Finnair
31 Aug - 07 Sep	Finnair
30 Aug - 06 Sep	IndiGo
13 Aug - 03 Sep	Finnair
26 Aug - 31 Aug	Ryanair
21 Aug - 30 Aug	IndiGo
18 Aug - 30 Aug	IndiGo
24 Aug - 13 Sep	Finnair
24 Aug - 02 Sep	IndiGo
21 Aug - 27 Aug	IndiGo
20 Aug - 27 Aug	IndiGo
24 Aug - 31 Aug	Ryanair
19 Aug - 31 Aug	IndiGo
11 Aug - 01 Sep	IndiGo
12 Aug - 31 Aug	Etihad Airways
15 Aug - 22 Aug	IndiGo
21 Aug - 29 Aug	IndiGo

Also check the deals for one-way flights from Brussels to Singapore in August.

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 Singapore in August from $620

Return flights