Cheapest one-way flights from Newark to Keflavik in August from 153€

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

One-Way flights

26 Aug Spirit Airlines
31 Aug Spirit Airlines
27 Aug Spirit Airlines
30 Aug Spirit Airlines
23 Aug Spirit Airlines
18 Aug Spirit Airlines
24 Aug Allegiant Air
29 Aug Spirit Airlines
22 Aug Spirit Airlines
25 Aug United 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.