AirHint found the following cheapest return flights from Zagreb (ZAG) to Keflavik (KEF) in August 2026 (see full year).
Return flights
| 03 Aug - 11 Aug | Air Serbia | ||
| 06 Aug - 13 Aug | Lufthansa | ||
| 06 Aug - 14 Aug | Lufthansa | ||
| 07 Aug - 14 Aug | Lufthansa |
Also check the deals for one-way flights from Zagreb to Keflavik in August.
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