Cheapest return flights from Newark to Keflavik in August from 317€

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

Return flights

07 Aug - 14 Aug Air Canada
08 Aug - 15 Aug Air Canada
21 Aug - 29 Aug Air Canada
19 Aug - 03 Sep Air Canada
20 Aug - 25 Aug United
21 Aug - 25 Aug United
25 Aug - 03 Sep Air Canada
20 Aug - 24 Aug United
21 Aug - 24 Aug United
19 Aug - 26 Aug Air Canada
21 Aug - 26 Aug United
22 Aug - 26 Aug United
31 Aug - 09 Sep KLM
23 Aug - 08 Sep Delta
31 Aug - 09 Sep Icelandair direct
23 Aug - 08 Sep United direct
09 Aug - 09 Sep United
30 Aug - 05 Sep Air France
20 Aug - 04 Sep SWISS
19 Aug - 03 Sep 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

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