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

Return flights

28 Aug - 11 Sep	easyJet	direct
31 Aug - 09 Sep	easyJet	direct
30 Aug - 15 Sep	easyJet	direct
27 Aug - 01 Sep	easyJet
30 Aug - 21 Sep	easyJet
28 Aug - 05 Sep	SWISS
29 Aug - 04 Sep	SWISS
29 Aug - 03 Sep	SWISS
31 Aug - 05 Sep	SWISS
31 Aug - 06 Sep	easyJet
26 Aug - 26 Aug	easyJet
05 Aug - 07 Aug	easyJet	direct
20 Aug - 27 Aug	SWISS
18 Aug - 27 Aug	SWISS
12 Aug - 19 Aug	SWISS
15 Aug - 18 Aug	SWISS
26 Aug - 29 Aug	easyJet
06 Aug - 11 Aug	easyJet	direct
11 Aug - 15 Aug	easyJet	direct
08 Aug - 12 Aug	SWISS

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 140€

Return flights