AirHint found the following cheapest return flights from Split (SPU) to Keflavik (KEF) in March 2026 (see full year).
Return flights
| 30 Mar - 03 Apr | Scandinavian Airlines | ||
| 29 Mar - 04 Apr | Austrian Airlines | ||
| 16 Mar - 19 Mar | SWISS |
Also check the deals for one-way flights from Split to Keflavik in March.
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