AirHint found the following cheapest return flights from Kos (KGS) to Amsterdam (AMS) in September 2026 (see full year).

Return flights

14 Sep - 27 Sep	SKY express
14 Sep - 23 Sep	SKY express
14 Sep - 24 Sep	SKY express
14 Sep - 25 Sep	SKY express
14 Sep - 26 Sep	SKY express
14 Sep - 19 Sep	SKY express
26 Sep - 27 Sep	TUI.nl	direct
14 Sep - 27 Sep	TUI.nl	direct
14 Sep - 23 Sep	TUI.nl	direct
14 Sep - 24 Sep	TUI.nl	direct
27 Sep - 10 Oct	SKY express
27 Sep - 10 Oct	TUI.nl	direct
26 Sep - 10 Oct	TUI.nl	direct

Also check the deals for one-way flights from Kos 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 Kos to Amsterdam in September from $408

Return flights