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

Return flights

29 Sep - 24 Oct	easyJet	direct
30 Sep - 24 Oct	easyJet	direct
29 Sep - 20 Oct	easyJet	direct
30 Sep - 20 Oct	easyJet	direct
29 Sep - 21 Oct	easyJet	direct
30 Sep - 21 Oct	easyJet	direct
29 Sep - 23 Oct	easyJet	direct
21 Sep - 30 Sep	easyJet
23 Sep - 30 Sep	easyJet
29 Sep - 22 Oct	easyJet	direct
30 Sep - 23 Oct	easyJet	direct
29 Sep - 19 Oct	easyJet	direct
27 Sep - 30 Sep	Wizz Air Malta
22 Sep - 24 Sep	easyJet
25 Sep - 30 Sep	easyJet
16 Sep - 30 Sep	easyJet
26 Sep - 30 Sep	easyJet
16 Sep - 24 Sep	easyJet
23 Sep - 29 Sep	easyJet
17 Sep - 24 Sep	easyJet

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