Cheapest return flights from Newcastle to Keflavik in September from 224€

Best time to book flights for Newcastle (NCL) to Keflavik (KEF) flights at AirHint

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

Return flights

18 Sep - 23 Sep British Airways
08 Sep - 15 Sep British Airways

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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