Cheapest return flights from Newark to Keflavik in September from 333€

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

Return flights

02 Sep - 09 Sep Air Canada
01 Sep - 08 Sep Air Canada
14 Sep - 21 Sep KLM
01 Sep - 08 Sep Icelandair direct
02 Sep - 09 Sep Brussels Airlines direct
14 Sep - 21 Sep Brussels Airlines direct
04 Sep - 25 Sep Icelandair direct
08 Sep - 14 Sep Lufthansa
13 Sep - 19 Sep Lufthansa
19 Sep - 03 Oct Lufthansa
26 Sep - 02 Oct British Airways

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

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