Cheapest return flights from Newark to Keflavik in May from $473

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

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

Return flights

07 May - 13 May Spirit Airlines
17 May - 24 May Icelandair direct
18 May - 24 May Icelandair direct
31 May - 08 Jun Icelandair direct
20 May - 24 May Icelandair direct
28 May - 04 Jun Icelandair direct
21 May - 28 May Icelandair direct
08 May - 12 May Spirit Airlines
16 May - 24 May Icelandair direct
22 May - 26 May Icelandair direct
21 May - 26 May Icelandair direct
07 May - 14 May Icelandair direct
30 May - 15 Jun Icelandair direct
17 May - 24 Jun Icelandair direct
18 May - 24 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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