Cheapest return flights from London to Athens in September from 136€

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

27 Sep - 01 Oct Aegean Airlines direct
27 Sep - 10 Oct Aegean Airlines direct
27 Sep - 02 Oct Aegean Airlines direct
27 Sep - 04 Oct Aegean Airlines direct
30 Sep - 12 Oct Aegean Airlines direct
20 Sep - 02 Oct Aegean Airlines direct
28 Sep - 01 Oct Aegean Airlines direct
20 Sep - 01 Oct Aegean Airlines direct
25 Sep - 04 Oct British Airways direct
16 Sep - 20 Sep British Airways
08 Sep - 20 Sep British Airways
20 Sep - 28 Sep Aegean Airlines
24 Sep - 28 Sep Aegean Airlines
26 Sep - 01 Oct British Airways direct
09 Sep - 20 Sep Aegean Airlines
25 Sep - 28 Sep British Airways
22 Sep - 27 Sep Aegean Airlines
19 Sep - 28 Sep British Airways
12 Sep - 28 Sep British Airways
08 Sep - 15 Sep British Airways

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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