Cheapest return flights from Newark to Keflavik in August from $413

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 August 2025 (see full year).

Return flights

30 Aug - 08 Sep KLM
28 Aug - 03 Sep KLM
23 Aug - 01 Sep Air France
26 Aug - 05 Sep KLM
25 Aug - 03 Sep KLM
20 Aug - 25 Aug Delta
30 Aug - 10 Sep Delta
30 Aug - 10 Sep Icelandair direct
22 Aug - 31 Aug KLM
28 Aug - 07 Sep KLM
31 Aug - 11 Sep Icelandair direct
21 Aug - 30 Aug Air Canada
26 Aug - 04 Sep Icelandair direct
07 Aug - 16 Aug Icelandair direct
11 Aug - 18 Aug Icelandair direct
24 Aug - 30 Aug Icelandair direct
10 Aug - 20 Aug Icelandair direct
09 Aug - 20 Aug Icelandair direct
02 Aug - 06 Aug Icelandair direct
07 Aug - 11 Aug Icelandair direct

Also check the deals for one-way 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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