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

Return flights

25 Aug - 15 Sep	Finnair
26 Aug - 15 Sep	Finnair
27 Aug - 15 Sep	Finnair
27 Aug - 16 Sep	Finnair
31 Aug - 15 Sep	Finnair
30 Aug - 22 Sep	Finnair
31 Aug - 14 Sep	Finnair
24 Aug - 14 Sep	Finnair
28 Aug - 07 Sep	Finnair
31 Aug - 07 Sep	Finnair
24 Aug - 28 Aug	Air China
19 Aug - 26 Aug	Etihad Airways
03 Aug - 08 Aug	Turkish Airlines
21 Aug - 28 Aug	Air China
08 Aug - 15 Aug	Vueling Airlines
19 Aug - 28 Aug	Vueling Airlines
19 Aug - 31 Aug	Vueling Airlines
14 Aug - 25 Aug	Vueling Airlines
25 Aug - 31 Aug	Vueling Airlines
18 Aug - 28 Aug	Air China

Also check the deals for one-way flights from Barcelona 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 Barcelona to Singapore in August from 498€

Return flights