Cheapest return flights from London to Athens in September from $177

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

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

Return flights

14 Sep - 20 Sep British Airways
23 Sep - 27 Sep British Airways
14 Sep - 21 Sep British Airways
09 Sep - 14 Sep British Airways
16 Sep - 20 Sep British Airways
16 Sep - 21 Sep British Airways
08 Sep - 14 Sep British Airways
07 Sep - 20 Sep British Airways
07 Sep - 21 Sep British Airways
07 Sep - 14 Sep British Airways
22 Sep - 09 Oct British Airways direct
30 Sep - 14 Oct Aegean Airlines direct
23 Sep - 02 Oct British Airways direct
21 Sep - 01 Oct British Airways
25 Sep - 18 Oct British Airways
28 Sep - 02 Oct British Airways
25 Sep - 02 Oct British Airways direct
18 Sep - 02 Oct British Airways direct
30 Sep - 02 Oct British Airways
28 Sep - 02 Oct British Airways direct

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

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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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