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

Return flights

30 Sep - 14 Oct	Wizz Air Malta
30 Sep - 07 Oct	Wizz Air Malta
30 Sep - 29 Oct	Wizz Air Malta
30 Sep - 09 Oct	Wizz Air Malta
30 Sep - 12 Oct	Wizz Air Malta
30 Sep - 05 Oct	Wizz Air Malta
30 Sep - 04 Oct	Wizz Air Malta
17 Sep - 23 Sep	Wizz Air
23 Sep - 07 Oct	Wizz Air
23 Sep - 28 Sep	Wizz Air
24 Sep - 28 Sep	Wizz Air
24 Sep - 30 Sep	Wizz Air
10 Sep - 30 Sep	Ryanair	direct
10 Sep - 28 Sep	Ryanair	direct
22 Sep - 28 Sep	Wizz Air
17 Sep - 30 Sep	Wizz Air
10 Sep - 16 Sep	Ryanair	direct
10 Sep - 23 Sep	Ryanair	direct
25 Sep - 07 Oct	Wizz Air
18 Sep - 07 Oct	Wizz Air UK	direct

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

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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Cheapest return flights from Athens to London in September from $101

Return flights