Cheapest return flights from London to Athens in September from $169

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

17 Sep - 21 Sep Aegean Airlines
03 Sep - 13 Sep Aegean Airlines
24 Sep - 27 Sep Aegean Airlines
11 Sep - 21 Sep Aegean Airlines
11 Sep - 20 Sep Aegean Airlines
01 Sep - 14 Sep Aegean Airlines
17 Sep - 27 Sep Aegean Airlines
15 Sep - 20 Sep Aegean Airlines
01 Sep - 20 Sep Aegean Airlines
02 Sep - 27 Sep Aegean Airlines
27 Sep - 04 Oct Aegean Airlines
29 Sep - 04 Oct British Airways
23 Sep - 02 Oct Aegean Airlines
24 Sep - 13 Oct Aegean Airlines
30 Sep - 13 Oct Aegean Airlines
27 Sep - 13 Oct Aegean Airlines
03 Sep - 13 Oct Aegean Airlines
20 Sep - 02 Oct British Airways
23 Sep - 03 Oct Aegean Airlines
27 Sep - 01 Oct Aegean Airlines 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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