AirHint found the following cheapest return flights from Sandefjord (TRF) to Keflavik (KEF) in September 2026 (see full year).
Return flights
| 02 Sep - 08 Sep | Scandinavian Airlines | ||
| 09 Sep - 19 Sep | Wideroe | ||
| 13 Sep - 22 Sep | Lufthansa | ||
| 03 Sep - 14 Sep | Lufthansa |
Also check the deals for one-way flights from Sandefjord to Keflavik in September.
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