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

Return flights

23 Sep - 30 Sep	transavia
25 Sep - 02 Oct	TUI
23 Sep - 30 Sep	transavia	direct
26 Sep - 03 Oct	TUI.nl	direct
26 Sep - 29 Sep	TUI.nl
26 Sep - 28 Sep	TUI.nl
23 Sep - 26 Sep	SKY express
23 Sep - 29 Sep	SKY express
25 Sep - 29 Sep	SKY express
25 Sep - 28 Sep	SKY express
27 Sep - 29 Sep	SKY express
21 Sep - 26 Sep	SKY express

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.

Book a cheap hotel in Amsterdam

Cheap car rent in Amsterdam

Cheapest return flights from Keffallinia to Amsterdam in September from 251€

Return flights