AirHint found the following cheapest return flights from Keffallinia (EFL) to Amsterdam (AMS) in September 2025 (see full year).

Return flights

19 Sep - 26 Sep	Ryanair
12 Sep - 19 Sep	Jet2
19 Sep - 26 Sep	transavia	direct
12 Sep - 19 Sep	transavia	direct
08 Sep - 26 Sep	TUI.nl
08 Sep - 15 Sep	TUI.nl
08 Sep - 29 Sep	TUI.nl
08 Sep - 12 Sep	TUI.nl
08 Sep - 19 Sep	TUI.nl
05 Sep - 26 Sep	TUI.nl

Also check the deals for one-way flights from Keffallinia to Amsterdam in September.

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 Keffallinia to Amsterdam in September from 227€

Return flights