AirHint found the following cheapest one-way flights from Athens (ATH) to Keflavik (KEF) in September 2026 (see full year).
One-Way flights
| 16 Sep | easyJet | ||
| 03 Sep | Scandinavian Airlines | ||
| 04 Sep | Scandinavian Airlines | ||
| 24 Sep | Wizz Air | ||
| 23 Sep | Wizz Air | ||
| 22 Sep | easyJet | ||
| 25 Sep | Wizz Air | ||
| 21 Sep | easyJet | ||
| 06 Sep | Ryanair | ||
| 02 Sep | Scandinavian Airlines |
Also check the deals for return flights from Athens to Keflavik in September.
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