Cheapest one-way flights from Kos to Athens in September from $55

AirHint found the following cheapest one-way flights from Kos (KGS) to Athens (ATH) in September 2026 (see full year).

One-Way flights

17 Sep Aegean Airlines direct
18 Sep Aegean Airlines direct
20 Sep SKY express
24 Sep SKY express direct
28 Sep SKY express direct
07 Sep SKY express direct
08 Sep SKY express direct
10 Sep SKY express direct
27 Sep SKY express
20 Sep Aegean Airlines direct

Also check the deals for return flights from Kos to Athens in September.

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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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