AirHint found the following cheapest return flights from Keflavik (KEF) to Athens (ATH) in June 2025 (see full year).
Return flights
| 17 Jun - 24 Jun | Wizz Air | ||
| 20 Jun - 04 Jul | Eurowings | ||
| 25 Jun - 01 Jul | Wizz Air | ||
| 21 Jun - 27 Jun | Wizz Air | ||
| 23 Jun - 25 Jun | easyJet | ||
| 27 Jun - 30 Jun | Neos Air |
Also check the deals for one-way flights from Keflavik to Athens in June.
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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