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

Return flights

01 Sep - 18 Sep	Shenzhen Airlines
11 Sep - 23 Sep	Etihad Airways
07 Sep - 14 Sep	Vueling Airlines
11 Sep - 21 Sep	Etihad Airways
10 Sep - 21 Sep	Etihad Airways
16 Sep - 21 Sep	Etihad Airways
28 Sep - 05 Oct	Vueling Airlines
15 Sep - 22 Sep	Ryanair
04 Sep - 11 Sep	Vueling Airlines
02 Sep - 15 Sep	Air China
17 Sep - 23 Sep	Wizz Air Malta
11 Sep - 02 Oct	Etihad Airways
22 Sep - 08 Oct	Air France
23 Sep - 08 Oct	Air France
24 Sep - 08 Oct	Air France
23 Sep - 12 Oct	Air France
29 Sep - 06 Oct	Vueling Airlines
22 Sep - 06 Oct	Shenzhen Airlines
29 Sep - 05 Oct	Ryanair
27 Sep - 05 Oct	Turkish Airlines

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 532€

Return flights