Cheapest return flights from London to Athens in September from $311

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

Return flights

01 Sep - 08 Sep SWISS
08 Sep - 07 Oct KLM
15 Sep - 22 Sep SWISS
01 Sep - 11 Sep KLM
08 Sep - 17 Sep KLM
14 Sep - 23 Sep KLM
04 Sep - 08 Sep KLM
18 Sep - 26 Sep KLM
10 Sep - 19 Sep KLM
14 Sep - 19 Sep ITA Airways
03 Sep - 07 Sep KLM
19 Sep - 03 Oct KLM

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

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