AirHint found the following cheapest return flights from London (LCY) to Ljubljana (LJU) in July 2025 (see full year).

Return flights

30 Jul - 06 Aug	Lufthansa
22 Jul - 30 Jul	SWISS
29 Jul - 07 Aug	SWISS
22 Jul - 27 Jul	SWISS
22 Jul - 28 Jul	SWISS
31 Jul - 07 Aug	Lufthansa
24 Jul - 29 Jul	Lufthansa
29 Jul - 05 Aug	SWISS
24 Jul - 27 Jul	SWISS
24 Jul - 28 Jul	SWISS
31 Jul - 06 Aug	Lufthansa
22 Jul - 24 Jul	SWISS
22 Jul - 23 Jul	SWISS
21 Jul - 11 Aug	Lufthansa
16 Jul - 21 Jul	SWISS
16 Jul - 22 Jul	SWISS
29 Jul - 04 Aug	SWISS
30 Jul - 04 Aug	Lufthansa
31 Jul - 04 Aug	Lufthansa
17 Jul - 07 Aug	Lufthansa

Also check the deals for one-way flights from London to Ljubljana in July.

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 July from $320

Return flights