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

Return flights

25 Aug - 01 Sep	SWISS
18 Aug - 25 Aug	Saudia
14 Aug - 28 Aug	Etihad Airways
14 Aug - 27 Aug	Etihad Airways
20 Aug - 27 Aug	Saudia
08 Aug - 26 Aug	Etihad Airways
06 Aug - 29 Aug	Etihad Airways
05 Aug - 01 Sep	Etihad Airways
14 Aug - 31 Aug	Etihad Airways
01 Aug - 15 Aug	KLM
03 Aug - 16 Aug	Air France
05 Aug - 20 Aug	Air France
28 Aug - 06 Sep	IndiGo
24 Aug - 04 Sep	Etihad Airways
10 Aug - 10 Sep	Etihad Airways
28 Aug - 04 Sep	AZAL
24 Aug - 01 Sep	Etihad Airways
27 Aug - 02 Sep	IndiGo
31 Aug - 07 Sep	IndiGo
26 Aug - 02 Sep	Finnair

Also check the deals for one-way flights from Delhi to Barcelona in August.

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 August from $460

Return flights