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

Return flights

16 Sep - 23 Sep	Kuwait Airways
30 Sep - 09 Oct	Kuwait Airways
17 Sep - 24 Sep	Kuwait Airways
18 Sep - 23 Sep	Kuwait Airways
25 Sep - 30 Sep	Kuwait Airways
17 Sep - 30 Sep	Kuwait Airways
24 Sep - 09 Oct	Kuwait Airways
16 Sep - 21 Sep	Kuwait Airways
16 Sep - 02 Oct	Kuwait Airways
30 Sep - 07 Oct	Kuwait Airways
18 Sep - 02 Oct	Kuwait Airways
09 Sep - 21 Sep	Kuwait Airways
15 Sep - 25 Sep	AZAL
10 Sep - 22 Sep	KLM
10 Sep - 20 Sep	KLM
26 Sep - 03 Oct	KLM
27 Sep - 09 Oct	British Airways
27 Sep - 10 Oct	British Airways
25 Sep - 06 Oct	British Airways
27 Sep - 06 Oct	British Airways

Also check the deals for one-way flights from Mumbai 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 Mumbai to Barcelona in September from 348€

Return flights