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

Return flights

22 Mar - 25 Mar	Jet2	direct
08 Mar - 11 Mar	Jet2	direct
04 Mar - 08 Mar	Ryanair
08 Mar - 15 Mar	Jet2	direct
05 Mar - 08 Mar	Ryanair
06 Mar - 08 Mar	Ryanair
24 Mar - 29 Mar	easyJet
11 Mar - 15 Mar	Jet2	direct
11 Mar - 14 Mar	Jet2
18 Mar - 22 Mar	Jet2	direct
29 Mar - 01 Apr	Ryanair
28 Mar - 01 Apr	KLM
29 Mar - 01 Apr	Jet2	direct

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Newcastle to Keflavik in March from 162€

Return flights