AirHint found the following cheapest return flights from London (STN) to Keffallinia (EFL) in August 2025 (see full year).

Return flights

27 Aug - 10 Sep	Ryanair	direct
31 Aug - 10 Sep	Ryanair
27 Aug - 03 Sep	Ryanair	direct
20 Aug - 03 Sep	Ryanair	direct
06 Aug - 09 Aug	Ryanair	direct
20 Aug - 06 Sep	Ryanair	direct
27 Aug - 06 Sep	Ryanair	direct
29 Aug - 03 Sep	Ryanair
26 Aug - 03 Sep	Ryanair
28 Aug - 03 Sep	Ryanair
30 Aug - 06 Sep	Ryanair
06 Aug - 11 Aug	Ryanair
13 Aug - 16 Aug	Ryanair	direct
02 Aug - 06 Aug	Ryanair	direct
13 Aug - 20 Aug	Ryanair	direct
06 Aug - 13 Aug	Ryanair
02 Aug - 09 Aug	Ryanair	direct
09 Aug - 14 Aug	Ryanair
04 Aug - 09 Aug	Jet2	direct
06 Aug - 16 Aug	Ryanair	direct

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

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 August from $143

Return flights