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

Return flights

12 Mar - 17 Mar	British Airways
08 Mar - 11 Mar	Jet2	direct
11 Mar - 15 Mar	Jet2	direct
08 Mar - 15 Mar	Jet2	direct
07 Mar - 10 Mar	KLM
04 Mar - 08 Mar	Jet2	direct
18 Mar - 22 Mar	Jet2	direct
28 Mar - 29 Mar	KLM
29 Mar - 29 Mar	Jet2
12 Mar - 12 Mar	KLM

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 164€

Return flights