AirHint found the following cheapest return flights from Newark (EWR) to Keflavik (KEF) in August 2026 (see full year).

Return flights

03 Aug - 16 Aug	Air Canada
11 Aug - 16 Aug	Air Canada
14 Aug - 22 Aug	Air Canada
14 Aug - 22 Aug	Icelandair	direct
15 Aug - 28 Aug	Scandinavian Airlines
11 Aug - 16 Aug	Icelandair	direct
03 Aug - 15 Aug	Air Canada
11 Aug - 15 Aug	Air Canada
03 Aug - 16 Aug	Icelandair	direct
11 Aug - 15 Aug	Icelandair	direct

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

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

Cheapest return flights from Newark to Keflavik in August from $414

Return flights