Cheapest return LCY–JSI flights, September

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

Return flights

01 Sep - 15 Sep ITA Airways
02 Sep - 09 Sep ITA Airways
17 Sep - 20 Sep ITA Airways
15 Sep - 18 Sep British Airways direct
07 Sep - 11 Sep British Airways direct
07 Sep - 14 Sep British Airways direct
15 Sep - 22 Sep British Airways
18 Sep - 23 Sep British Airways
18 Sep - 22 Sep British Airways
24 Sep - 06 Oct Lufthansa
19 Sep - 30 Sep KLM
26 Sep - 06 Oct SWISS
19 Sep - 01 Oct KLM
19 Sep - 02 Oct KLM
26 Sep - 03 Oct KLM
20 Sep - 03 Oct KLM
19 Sep - 03 Oct KLM
21 Sep - 03 Oct KLM
26 Sep - 05 Oct KLM
27 Sep - 05 Oct KLM

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

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