AirHint found the following cheapest return flights from Newcastle (NCL) to Keflavik (KEF) in June 2026 (see full year).
Return flights
| 13 Jun - 17 Jun | Ryanair | ||
| 24 Jun - 30 Jun | Ryanair | ||
| 01 Jun - 30 Jun | Lufthansa |
Also check the deals for one-way flights from Newcastle to Keflavik in June.
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