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

Return flights

27 Oct - 11 Nov	Ryanair
06 Oct - 16 Oct	SWISS
31 Oct - 14 Nov	Lufthansa
17 Oct - 26 Oct	Ryanair
06 Oct - 20 Oct	SWISS
27 Oct - 07 Nov	SWISS
31 Oct - 10 Nov	SWISS
17 Oct - 23 Oct	Ryanair
20 Oct - 27 Oct	Ryanair
31 Oct - 17 Nov	Finnair
09 Oct - 25 Oct	SWISS
30 Oct - 09 Nov	SWISS
21 Oct - 22 Oct	Etihad Airways
17 Oct - 03 Nov	Ryanair
04 Oct - 12 Oct	Etihad Airways
08 Oct - 12 Oct	Etihad Airways
24 Oct - 22 Nov	SWISS
03 Oct - 26 Oct	Air France
30 Oct - 10 Nov	Vueling Airlines
18 Oct - 07 Nov	SWISS

Also check the deals for one-way flights from Barcelona to Singapore in October.

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 October from $696

Return flights