Cheapest return flights from Newcastle to Keflavik in September from 234€

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

Return flights

09 Sep - 13 Sep Ryanair
23 Sep - 25 Sep Ryanair

Also check the deals for one-way 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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