Cheapest return LHR–LJU flights, September

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

Return flights

13 Sep - 19 Sep LOT
20 Sep - 26 Sep LOT
12 Sep - 26 Sep LOT
06 Sep - 13 Sep LOT
24 Sep - 28 Sep British Airways direct
20 Sep - 22 Sep LOT
12 Sep - 19 Sep LOT
23 Sep - 27 Sep Air Serbia
23 Sep - 26 Sep Air Serbia
26 Sep - 27 Sep Air Serbia
26 Sep - 03 Oct British Airways
28 Sep - 04 Oct Air Serbia
29 Sep - 03 Oct Air Serbia
30 Sep - 04 Oct Air Serbia
24 Sep - 04 Oct LOT
29 Sep - 04 Oct LOT
29 Sep - 02 Oct Air Serbia
28 Sep - 05 Oct Air Serbia
27 Sep - 05 Oct Air Serbia
26 Sep - 03 Oct British Airways direct

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

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