Cheapest return flights from London to Ljubljana in September from $360

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

Return flights

22 Sep - 30 Sep SWISS
30 Sep - 07 Oct SWISS
03 Sep - 08 Sep SWISS
28 Sep - 02 Oct SWISS
12 Sep - 17 Sep SWISS
05 Sep - 08 Sep SWISS
16 Sep - 21 Sep SWISS
02 Sep - 07 Sep SWISS
07 Sep - 14 Sep SWISS
14 Sep - 17 Sep SWISS
28 Sep - 30 Sep SWISS
02 Sep - 04 Sep SWISS
27 Sep - 02 Oct KLM
27 Sep - 01 Oct KLM

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

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