Cheapest return flights from London to Ljubljana in September from 229€

Best time to book flights for London (LCY) to Ljubljana (LJU) flights at AirHint

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

Return flights

13 Sep - 19 Sep SWISS
10 Sep - 18 Sep KLM
13 Sep - 17 Sep SWISS
15 Sep - 29 Sep SWISS
04 Sep - 08 Sep SWISS
20 Sep - 27 Sep SWISS
13 Sep - 20 Sep SWISS
16 Sep - 24 Sep SWISS
08 Sep - 13 Sep SWISS
27 Sep - 04 Oct SWISS
25 Sep - 27 Sep SWISS
29 Sep - 01 Oct SWISS
28 Sep - 05 Oct Lufthansa

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

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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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