Cheapest return flights from Athens to Keflavik in September from 210€

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

Return flights

17 Sep - 25 Sep KLM
18 Sep - 23 Sep Ryanair
24 Sep - 30 Sep Ryanair
25 Sep - 02 Oct SKY express
10 Sep - 17 Sep KLM
25 Sep - 30 Sep SKY express
17 Sep - 27 Sep Wizz Air
16 Sep - 23 Sep Wizz Air Malta
03 Sep - 08 Sep KLM
23 Sep - 02 Oct Wizz Air Malta
23 Sep - 30 Sep Wizz Air Malta
22 Sep - 27 Sep Wizz Air Malta
26 Sep - 07 Oct Wizz Air
29 Sep - 06 Oct Wizz Air
29 Sep - 07 Oct Air France
26 Sep - 06 Oct Wizz Air Malta
27 Sep - 03 Oct Wizz Air Malta
29 Sep - 05 Oct Air France
26 Sep - 03 Oct Ryanair

Also check the deals for one-way flights from Athens to Keflavik 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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