AirHint found the following cheapest return flights from Salzburg (SZG) to Keflavik (KEF) in December 2025 (see full year).
Return flights
| 28 Dec - 29 Dec | Ryanair | ||
| 30 Dec - 04 Jan | Eurowings | ||
| 24 Dec - 28 Dec | Ryanair | ||
| 27 Dec - 03 Jan | Icelandair | ||
| 27 Dec - 03 Jan | Icelandair | direct |
Also check the deals for one-way flights from Salzburg to Keflavik in December.
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