Cheapest one-way flights from Newark to Keflavik in August from 149€

AirHint found the following cheapest one-way flights from Newark (EWR) to Keflavik (KEF) in August 2025 (see full year).

One-Way flights

13 Aug Spirit Airlines
19 Aug Spirit Airlines
30 Aug Spirit Airlines
20 Aug Spirit Airlines
14 Aug Spirit Airlines
25 Aug Spirit Airlines
15 Aug Spirit Airlines
05 Aug Allegiant Air
23 Aug Spirit Airlines
02 Aug Spirit Airlines

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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