Cheapest one-way flights from Newark to Keflavik in August from $269

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 August 2025 (see full year).

One-Way flights

28 Aug Icelandair direct
26 Aug Icelandair direct
20 Aug Spirit Airlines
23 Aug Spirit Airlines
27 Aug Icelandair direct
23 Aug Icelandair direct
14 Aug Spirit Airlines
20 Aug Icelandair direct
17 Aug Icelandair direct
14 Aug Icelandair direct

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

Skyscanner

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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