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

Return flights

09 Jun - 13 Jun	Ryanair
11 Jun - 18 Jun	TUI	direct
04 Jun - 11 Jun	TUI	direct
11 Jun - 25 Jun	TUI	direct
21 Jun - 25 Jun	TUI	direct
06 Jun - 14 Jun	Ryanair
05 Jun - 12 Jun	Ryanair
28 Jun - 05 Jul	TUI	direct
10 Jun - 24 Jun	Ryanair
22 Jun - 29 Jun	Jet2	direct
10 Jun - 17 Jun	Jet2	direct
10 Jun - 01 Jul	Jet2	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 $299

Return flights