Cheapest return flights from Newark to Keflavik in May from $464

AirHint found the following cheapest return flights from Newark (EWR) to Keflavik (KEF) in May 2026 (see full year).

Return flights

08 May - 12 May Lufthansa
22 May - 30 May Icelandair direct
16 May - 30 May Icelandair direct
21 May - 27 May Icelandair direct
22 May - 27 May Icelandair direct
08 May - 12 May Icelandair direct
21 May - 01 Jun Icelandair direct

Also check the deals for one-way 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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