AirHint found the following cheapest one-way flights from Kolkata (CCU) to Barcelona (BCN) in August 2025 (see full year).

One-Way flights

07 Aug	Air Arabia Abu Dhabi
29 Aug	IndiGo
01 Aug	Etihad Airways
22 Aug	Etihad Airways
24 Aug	Etihad Airways
23 Aug	Etihad Airways
21 Aug	Emirates
28 Aug	Singapore Airlines
30 Aug	Qatar Airways
26 Aug	Emirates

Also check the deals for return flights from Kolkata 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 one-way flights from Kolkata to Barcelona in August from $387

One-Way flights