AirHint found the following cheapest return flights from London (LGW) to Keffallinia (EFL) in September 2025 (see full year).

Return flights

30 Sep - 15 Oct	easyJet	direct
23 Sep - 26 Sep	Wizz Air Malta
20 Sep - 24 Sep	Wizz Air Malta
20 Sep - 25 Sep	Wizz Air Malta
10 Sep - 24 Sep	Wizz Air Malta
19 Sep - 25 Sep	Wizz Air Malta
18 Sep - 24 Sep	Wizz Air Malta
13 Sep - 24 Sep	Wizz Air Malta
17 Sep - 24 Sep	Wizz Air Malta
10 Sep - 17 Sep	Wizz Air Malta
16 Sep - 26 Sep	Wizz Air Malta
30 Sep - 06 Oct	easyJet
29 Sep - 06 Oct	easyJet
18 Sep - 16 Oct	easyJet	direct
21 Sep - 11 Oct	easyJet
30 Sep - 09 Oct	easyJet
20 Sep - 01 Oct	Wizz Air Malta
25 Sep - 02 Oct	Wizz Air Malta
20 Sep - 02 Oct	Wizz Air Malta
13 Sep - 04 Oct	Wizz Air Malta

Also check the deals for one-way flights from London to Keffallinia 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 London to Keffallinia in September from 98€

Return flights