AirHint found the following cheapest return flights from Singapore (SIN) to Barcelona (BCN) in September 2026 (see full year).

Return flights

25 Sep - 17 Oct	Etihad Airways
18 Sep - 02 Oct	Etihad Airways
20 Sep - 02 Oct	Etihad Airways
17 Sep - 21 Sep	Etihad Airways
20 Sep - 03 Oct	Etihad Airways
10 Sep - 28 Sep	Emirates
10 Sep - 13 Sep	Emirates
19 Sep - 03 Oct	Etihad Airways
17 Sep - 26 Sep	Etihad Airways
07 Sep - 20 Sep	Emirates
02 Sep - 02 Oct	British Airways
01 Sep - 14 Sep	British Airways
01 Sep - 07 Oct	Emirates
01 Sep - 09 Oct	Emirates
01 Sep - 02 Sep	British Airways
02 Sep - 02 Sep	Emirates
20 Sep - 02 Oct	Singapore Airlines	direct
01 Sep - 14 Sep	Singapore Airlines	direct
17 Sep - 21 Sep	Singapore Airlines	direct
01 Sep - 06 Oct	Air Europa

Also check the deals for one-way flights from Singapore to Barcelona 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 Singapore to Barcelona in September from $576

Return flights