AirHint found the following cheapest return flights from London (STN) to Keffallinia (EFL) in April 2026 (see full year).

Return flights

22 Apr - 02 May	Ryanair
23 Apr - 03 May	Ryanair
25 Apr - 30 Apr	Ryanair
28 Apr - 05 May	Ryanair
23 Apr - 26 Apr	Ryanair
20 Apr - 30 Apr	Ryanair
28 Apr - 09 May	Ryanair
06 Apr - 10 Apr	Ryanair
19 Apr - 26 Apr	Ryanair
11 Apr - 16 Apr	Ryanair
04 Apr - 25 Apr	Ryanair
19 Apr - 24 Apr	Ryanair
17 Apr - 24 Apr	Ryanair

Also check the deals for one-way flights from London to Keffallinia in April.

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.

Book a cheap hotel in Keffallinia

Cheap car rent in Keffallinia

Cheapest return flights from London to Keffallinia in April from 289€

Return flights