Cheapest return flights from London to Ljubljana in September from 173€

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

Return flights

12 Sep - 19 Sep Air Serbia
17 Sep - 24 Sep Lufthansa
03 Sep - 06 Sep Lufthansa
10 Sep - 14 Sep Lufthansa
11 Sep - 18 Sep Air Serbia
01 Sep - 06 Sep Air Serbia
07 Sep - 13 Sep SWISS
21 Sep - 25 Sep Lufthansa
24 Sep - 28 Sep Lufthansa
12 Sep - 19 Sep British Airways direct

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

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