Cheapest one-way flights from Newark to Keflavik in May from $260

Best time to book flights for Newark (EWR) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest one-way flights from Newark (EWR) to Keflavik (KEF) in May 2025 (see full year).

One-Way flights

06 May Spirit Airlines
14 May Spirit Airlines
05 May Spirit Airlines
26 May Icelandair direct
22 May Icelandair direct
21 May Icelandair direct
16 May Icelandair direct
05 May Icelandair direct
06 May Icelandair direct
31 May Icelandair direct

Also check the deals for return flights from Newark to Keflavik in May.

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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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