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

Return flights

22 Sep - 29 Sep	Etihad Airways
17 Sep - 23 Sep	Wizz Air Malta
11 Sep - 02 Oct	Etihad Airways
16 Sep - 29 Sep	Finnair
07 Sep - 22 Sep	Finnair
16 Sep - 23 Sep	Ryanair
03 Sep - 18 Sep	Shenzhen Airlines
08 Sep - 23 Sep	Shenzhen Airlines
01 Sep - 18 Sep	Shenzhen Airlines
05 Sep - 18 Sep	Shenzhen Airlines
22 Sep - 08 Oct	Air France
23 Sep - 08 Oct	Air France
23 Sep - 30 Sep	Air France
24 Sep - 08 Oct	Air France
30 Sep - 07 Oct	Vueling Airlines
29 Sep - 06 Oct	Vueling Airlines
29 Sep - 05 Oct	Ryanair
27 Sep - 05 Oct	Turkish Airlines
23 Sep - 04 Oct	Ryanair
19 Sep - 05 Oct	Ryanair

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

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 September from $651

Return flights