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

Return flights

18 May - 24 Jun	Finnair
25 May - 08 Jun	Finnair
25 May - 01 Jun	Finnair
26 May - 05 Jun	Finnair
11 May - 20 May	Finnair
11 May - 25 May	Finnair
04 May - 25 May	Finnair
09 May - 17 May	Finnair
23 May - 31 May	Finnair
05 May - 19 May	Finnair
24 May - 31 May	Finnair
25 May - 31 May	Finnair
04 May - 11 May	Finnair
23 May - 12 Jun	Finnair
07 May - 25 May	Finnair
23 May - 13 Jun	Finnair
26 May - 02 Jun	Etihad Airways
27 May - 03 Jun	Etihad Airways
25 May - 01 Jun	Singapore Airlines	direct
18 May - 24 Jun	Singapore Airlines	direct

Also check the deals for one-way flights from Brussels to Singapore 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 Singapore in May from $580

Return flights