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

Return flights

16 Sep - 24 Sep	Air France
22 Sep - 29 Sep	Air France
20 Sep - 03 Oct	Etihad Airways
20 Sep - 27 Sep	Etihad Airways
20 Sep - 26 Sep	Etihad Airways
09 Sep - 14 Sep	Air France
09 Sep - 15 Sep	Air France
09 Sep - 16 Sep	Air France
10 Sep - 13 Sep	Etihad Airways
12 Sep - 22 Sep	Qatar Airways
11 Sep - 18 Sep	Qatar Airways
26 Sep - 05 Oct	Etihad Airways

Also check the deals for one-way flights from Bangalore 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 Bangalore to Barcelona in September from $599

Return flights