Cheapest return flights from Newark to Keflavik in May from 380€

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

27 May - 03 Jun Air France
10 May - 18 May KLM
07 May - 13 May Spirit Airlines
06 May - 10 May Spirit Airlines
14 May - 20 May Spirit Airlines
27 May - 03 Jun Icelandair direct
02 May - 09 May Spirit Airlines
06 May - 11 May Icelandair direct
11 May - 23 May Air France
11 May - 23 May Icelandair direct
26 May - 03 Jun Icelandair direct
19 May - 31 May Icelandair direct
05 May - 10 May Icelandair direct
31 May - 07 Jun Icelandair direct
26 May - 09 Jun Icelandair direct
28 May - 02 Jun Icelandair direct
29 May - 03 Jun Icelandair direct
22 May - 01 Jun Icelandair direct
29 May - 12 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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