Cheapest return flights from Zagreb to Keflavik in May from $269
AirHint found the following cheapest return flights from Zagreb (ZAG) to Keflavik (KEF) in May 2025 (see full year).
Return flights
| 13 May - 17 May | Ryanair | ||
| 31 May - 10 Jun | Austrian Airlines | ||
| 12 May - 16 May | Lufthansa | ||
| 15 May - 24 May | Ryanair | ||
| 18 May - 27 May | Croatia Airlines | ||
| 17 May - 27 May | LOT | ||
| 17 May - 25 May | LOT |
Also check the deals for one-way flights from Zagreb to Keflavik in May.
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.
