AirHint found the following cheapest return flights from Vienna (VIE) to Keflavik (KEF) in September 2026 (see full year).
Return flights
| 25 Sep - 05 Oct | Scandinavian Airlines | ||
| 12 Sep - 19 Sep | Scandinavian Airlines | ||
| 25 Sep - 05 Oct | Austrian Airlines | direct | |
| 13 Sep - 16 Sep | Austrian Airlines | direct | |
| 12 Sep - 19 Sep | Austrian Airlines | direct |
Also check the deals for one-way flights from Vienna to Keflavik in September.
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