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

Return flights

16 Jun - 22 Jun	Ryanair
08 Jun - 17 Jun	Jet2
22 Jun - 01 Jul	Jet2
13 Jun - 22 Jun	Ryanair
02 Jun - 09 Jun	Ryanair
10 Jun - 17 Jun	Jet2
02 Jun - 14 Jun	Ryanair
06 Jun - 13 Jun	Ryanair
06 Jun - 20 Jun	Ryanair
08 Jun - 15 Jun	Jet2
26 Jun - 10 Jul	Ryanair
15 Jun - 29 Jun	Ryanair
22 Jun - 01 Jul	Jet2	direct
27 Jun - 04 Jul	Ryanair
25 Jun - 02 Jul	TUI	direct
27 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 200€

Return flights