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

Return flights

19 Jun - 22 Jun	Ryanair
25 Jun - 08 Jul	Ryanair
06 Jun - 13 Jun	Ryanair
06 Jun - 20 Jun	Ryanair
24 Jun - 04 Jul	Ryanair
25 Jun - 28 Jun	Ryanair
08 Jun - 18 Jun	Jet2
13 Jun - 20 Jun	Ryanair
28 Jun - 05 Jul	Ryanair
24 Jun - 29 Jun	Ryanair
11 Jun - 18 Jun	TUI	direct
04 Jun - 25 Jun	TUI	direct
27 Jun - 04 Jul	Ryanair
21 Jun - 28 Jun	Jet2
20 Jun - 05 Jul	Ryanair
27 Jun - 11 Jul	Ryanair
28 Jun - 05 Jul	TUI	direct
11 Jun - 05 Jul	Ryanair
20 Jun - 05 Jul	Jet2	direct
24 Jun - 04 Jul	Jet2	direct

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

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 June from 235€

Return flights