Cheapest one-way flights from Newcastle to Keflavik in September from $137

AirHint found the following cheapest one-way flights from Newcastle (NCL) to Keflavik (KEF) in September 2025 (see full year).

One-Way flights

16 Sep easyJet
30 Sep easyJet
29 Sep easyJet
24 Sep Ryanair

Also check the deals for return flights from Newcastle to Keflavik in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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