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

Return flights

09 Jul - 23 Jul	Ryanair
09 Jul - 16 Jul	Ryanair
02 Jul - 09 Jul	Ryanair
08 Jul - 15 Jul	Ryanair
19 Jul - 30 Jul	Ryanair
05 Jul - 19 Jul	Ryanair
12 Jul - 17 Jul	Ryanair
04 Jul - 14 Jul	Ryanair
12 Jul - 26 Jul	Ryanair
06 Jul - 15 Jul	Ryanair
18 Jul - 03 Aug	Ryanair
29 Jul - 05 Aug	Ryanair
29 Jul - 12 Aug	Ryanair
30 Jul - 09 Aug	Ryanair
21 Jul - 04 Aug	Ryanair
29 Jul - 05 Aug	Jet2	direct
30 Jul - 09 Aug	TUI	direct
22 Jul - 01 Aug	Jet2	direct
29 Jul - 12 Aug	Jet2	direct
18 Jul - 03 Aug	Jet2	direct

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

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 July from $235

Return flights