AirHint found the following cheapest return flights from Keflavik (KEF) to Athens (ATH) in April 2026 (see full year).
Return flights
| 24 Apr - 01 May | Wizz Air | ||
| 12 Apr - 17 Apr | Wizz Air | ||
| 11 Apr - 17 Apr | Wizz Air Malta | ||
| 27 Apr - 03 May | easyJet | ||
| 13 Apr - 20 Apr | easyJet | ||
| 10 Apr - 17 Apr | Wizz Air | ||
| 20 Apr - 26 Apr | Jet2 |
Also check the deals for one-way flights from Keflavik to Athens in April.
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