AirHint found the following cheapest return flights from Newcastle (NCL) to Keflavik (KEF) in March 2026 (see full year).

Return flights

08 Mar - 11 Mar	Jet2	direct
11 Mar - 15 Mar	Jet2	direct
01 Mar - 04 Mar	Jet2	direct
04 Mar - 08 Mar	Jet2	direct
29 Mar - 01 Apr	Jet2	direct
30 Mar - 02 Apr	easyJet

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

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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Cheapest return flights from Newcastle to Keflavik in March from $218

Return flights