Cheapest return flights from London to Ljubljana in September from $261

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

Return flights

01 Sep - 09 Sep SWISS
04 Sep - 11 Sep Brussels Airlines
10 Sep - 14 Sep SWISS
17 Sep - 20 Sep LOT
10 Sep - 13 Sep LOT
02 Sep - 03 Sep Brussels Airlines
17 Sep - 20 Sep British Airways direct
01 Sep - 03 Sep LOT
01 Sep - 03 Sep British Airways direct
04 Sep - 11 Sep British Airways direct

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

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