AirHint found the following cheapest return flights from Keflavik (KEF) to Duesseldorf (DUS) in July 2026 (see full year).
Return flights
| 17 Jul - 20 Jul | Eurowings | ||
| 20 Jul - 23 Jul | Scandinavian Airlines | ||
| 20 Jul - 23 Jul | Eurowings | direct |
Also check the deals for one-way flights from Keflavik to Duesseldorf in July.
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