Cheapest return flights from London to Athens in September from $238

Best time to book flights for London (LCY) to Athens (ATH) flights at AirHint

AirHint found the following cheapest return flights from London (LCY) to Athens (ATH) in September 2025 (see full year).

Return flights

26 Sep - 02 Oct ITA Airways
25 Sep - 11 Oct ITA Airways
22 Sep - 02 Oct ITA Airways
03 Sep - 17 Sep KLM
02 Sep - 17 Sep KLM
25 Sep - 29 Sep ITA Airways
15 Sep - 24 Sep ITA Airways
15 Sep - 19 Oct ITA Airways
29 Sep - 06 Oct ITA Airways
30 Sep - 07 Oct ITA Airways
29 Sep - 13 Oct ITA Airways
19 Sep - 02 Oct ITA Airways
21 Sep - 02 Oct ITA Airways
26 Sep - 12 Oct ITA Airways
02 Sep - 10 Sep KLM
03 Sep - 10 Sep KLM
02 Sep - 09 Sep KLM
17 Sep - 22 Sep ITA Airways
19 Sep - 26 Sep ITA Airways
15 Sep - 22 Sep ITA Airways

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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