AirHint found the following cheapest return flights from London (LCY) to Cluj-napoca (CLJ) in August 2025 (see full year).

Return flights

20 Aug - 24 Aug	SWISS
29 Aug - 02 Sep	KLM
05 Aug - 12 Aug	ITA Airways
05 Aug - 13 Aug	ITA Airways
27 Aug - 28 Aug	Lufthansa
26 Aug - 28 Aug	Lufthansa
31 Aug - 04 Sep	SWISS
05 Aug - 07 Aug	ITA Airways
05 Aug - 26 Aug	ITA Airways
14 Aug - 19 Aug	ITA Airways
20 Aug - 21 Aug	Lufthansa
24 Aug - 28 Aug	SWISS
30 Aug - 03 Sep	ITA Airways
26 Aug - 01 Sep	Aer Lingus
30 Aug - 02 Sep	ITA Airways
28 Aug - 01 Sep	KLM
18 Aug - 12 Sep	ITA Airways
30 Aug - 01 Sep	KLM
06 Aug - 03 Sep	SWISS
20 Aug - 10 Sep	KLM

Also check the deals for one-way flights from London to Cluj-napoca 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 London to Cluj-napoca in August from $445

Return flights