AirHint found the following cheapest return flights from Keflavik (KEF) to Athens (ATH) in June 2026 (see full year).
Return flights
| 18 Jun - 22 Jun | easyJet | ||
| 12 Jun - 17 Jun | Eurowings | ||
| 26 Jun - 12 Jul | Scandinavian Airlines | ||
| 14 Jun - 21 Jun | easyJet |
Also check the deals for one-way flights from Keflavik to Athens in June.
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