Cheapest return flights from Newcastle to Keflavik in December from $316

AirHint found the following cheapest return flights from Newcastle (NCL) to Keflavik (KEF) in December 2025 (see full year).

Return flights

06 Dec - 09 Dec easyJet
05 Dec - 12 Dec British Airways
08 Dec - 15 Dec Ryanair
12 Dec - 14 Dec Ryanair
07 Dec - 14 Dec Ryanair
11 Dec - 16 Dec Aer Lingus
07 Dec - 10 Dec Ryanair
07 Dec - 13 Dec Ryanair
11 Dec - 18 Dec Ryanair
23 Dec - 26 Dec easyJet
30 Dec - 04 Jan easyJet
31 Dec - 02 Jan Ryanair

Also check the deals for one-way flights from Newcastle to Keflavik in December.

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