AirHint found the following cheapest return flights from Luxemburg (LUX) to Keflavik (KEF) in August 2026 (see full year).
Return flights
| 24 Aug - 31 Aug | Scandinavian Airlines | ||
| 04 Aug - 13 Aug | Lufthansa | ||
| 08 Aug - 29 Aug | Lufthansa |
Also check the deals for one-way flights from Luxemburg to Keflavik in August.
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