Cheapest one-way flights from Athens to Keflavik in September from 105€

Best time to book flights for Athens (ATH) to Keflavik (KEF) flights at AirHint

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

One-Way flights

11 Sep Ryanair
30 Sep easyJet
03 Sep Scandinavian Airlines
02 Sep Scandinavian Airlines
17 Sep Scandinavian Airlines
30 Sep Fly Play direct
14 Sep Vueling Airlines

Also check the deals for return 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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