Cheapest one-way flights from Kos to Athens in September from $64

Best time to book flights for Kos (KGS) to Athens (ATH) flights at AirHint

AirHint found the following cheapest one-way flights from Kos (KGS) to Athens (ATH) in September 2025 (see full year).

One-Way flights

19 Sep SKY express direct
21 Sep SKY express direct

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

Skyscanner

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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