Cheapest return flights from Newark to Keflavik in July from $374

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 July 2025 (see full year).

Return flights

09 Jul - 16 Jul Spirit Airlines
02 Jul - 07 Jul Spirit Airlines
09 Jul - 14 Jul Spirit Airlines
08 Jul - 15 Jul Spirit Airlines
01 Jul - 08 Jul Spirit Airlines
05 Jul - 30 Jul KLM
04 Jul - 08 Jul Spirit Airlines
22 Jul - 29 Jul KLM
10 Jul - 16 Jul Air France
05 Jul - 12 Jul KLM
28 Jul - 03 Aug Air France
28 Jul - 05 Aug KLM
26 Jul - 03 Aug KLM
28 Jul - 04 Aug KLM
30 Jul - 05 Aug Air France
27 Jul - 03 Aug Delta
27 Jul - 04 Aug Delta
26 Jul - 10 Aug KLM
30 Jul - 04 Aug KLM
31 Jul - 06 Aug Icelandair direct

Also check the deals for one-way flights from Newark to Keflavik in July.

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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