AirHint found the following cheapest return flights from London (LCY) to Ljubljana (LJU) in August 2026 (see full year).

Return flights

26 Aug - 01 Sep	SWISS
26 Aug - 02 Sep	SWISS
05 Aug - 12 Aug	KLM
12 Aug - 19 Aug	SWISS
21 Aug - 25 Aug	SWISS
26 Aug - 04 Sep	SWISS
04 Aug - 11 Aug	KLM
06 Aug - 11 Aug	KLM
08 Aug - 11 Aug	KLM
07 Aug - 11 Aug	KLM
08 Aug - 12 Aug	KLM
19 Aug - 26 Aug	KLM
25 Aug - 31 Aug	KLM
28 Aug - 01 Sep	SWISS
28 Aug - 02 Sep	SWISS
27 Aug - 03 Sep	KLM
27 Aug - 02 Sep	SWISS
27 Aug - 01 Sep	SWISS
24 Aug - 02 Sep	SWISS
30 Aug - 12 Sep	KLM

Also check the deals for one-way flights from London to Ljubljana 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 Ljubljana in August from $273

Return flights