Cheapest return flights from Kos to Athens in September from 87€

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

Return flights

10 Sep - 17 Sep SKY express direct
10 Sep - 14 Sep SKY express direct
17 Sep - 17 Sep SKY express direct
10 Sep - 12 Sep SKY express direct
10 Sep - 11 Sep SKY express direct
10 Sep - 13 Sep SKY express direct
16 Sep - 17 Sep SKY express direct
16 Sep - 16 Sep SKY express direct
11 Sep - 17 Sep SKY express direct
11 Sep - 16 Sep SKY express direct
17 Sep - 01 Oct SKY express direct
17 Sep - 02 Oct SKY express direct
17 Sep - 08 Oct SKY express direct
17 Sep - 06 Oct SKY express direct
17 Sep - 03 Oct SKY express direct
17 Sep - 04 Oct SKY express direct
10 Sep - 01 Oct SKY express direct
16 Sep - 01 Oct SKY express direct
16 Sep - 02 Oct SKY express direct
16 Sep - 06 Oct SKY express direct

Also check the deals for one-way 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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