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

Return flights

23 Jul - 28 Jul	SWISS
16 Jul - 23 Jul	SWISS
30 Jul - 05 Aug	SWISS
30 Jul - 06 Aug	SWISS
23 Jul - 30 Jul	SWISS
23 Jul - 29 Jul	SWISS
16 Jul - 22 Jul	SWISS
15 Jul - 23 Jul	SWISS
15 Jul - 22 Jul	SWISS
29 Jul - 06 Aug	SWISS
29 Jul - 05 Aug	SWISS
16 Jul - 19 Jul	SWISS
08 Jul - 15 Jul	Lufthansa
24 Jul - 30 Jul	SWISS
22 Jul - 13 Aug	SWISS
28 Jul - 12 Aug	SWISS
28 Jul - 11 Aug	SWISS
28 Jul - 06 Aug	SWISS
30 Jul - 04 Aug	SWISS
30 Jul - 03 Aug	SWISS

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 $226

Return flights