Cheapest one-way flights from Athens to Keflavik in October from $93

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 October 2025 (see full year).

One-Way flights

07 Oct easyJet
07 Oct Fly Play direct

Also check the deals for return flights from Athens to Keflavik in October.

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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