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

Return flights

15 Sep - 21 Sep	Saudia
24 Sep - 01 Oct	Finnair
16 Sep - 25 Sep	Finnair
16 Sep - 19 Sep	Saudia
25 Sep - 30 Sep	Kuwait Airways
15 Sep - 20 Sep	Saudia
26 Sep - 01 Oct	Saudia
20 Sep - 27 Sep	Saudia
22 Sep - 29 Sep	Saudia
22 Sep - 30 Sep	Saudia
30 Sep - 04 Oct	Kuwait Airways
21 Sep - 08 Oct	Kuwait Airways
29 Sep - 06 Oct	Kuwait Airways
26 Sep - 02 Oct	Kuwait Airways
30 Sep - 12 Oct	Saudia
27 Sep - 29 Sep	Saudia
29 Sep - 12 Oct	Kuwait Airways
17 Sep - 21 Sep	Finnair
25 Sep - 02 Oct	Kuwait Airways
25 Sep - 01 Oct	Kuwait Airways

Also check the deals for one-way flights from Delhi 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 Delhi to Barcelona in September from $468

Return flights