Cheapest return flights from New York to Keflavik in September from 349€

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

Return flights

08 Sep - 22 Sep Air Canada
02 Sep - 26 Sep Air Canada
08 Sep - 22 Sep Air France direct
12 Sep - 22 Sep Air France direct
11 Sep - 25 Sep Air Canada
16 Sep - 23 Sep KLM
03 Sep - 26 Sep Air Canada
16 Sep - 23 Sep Delta direct
11 Sep - 25 Sep Delta direct
02 Sep - 26 Sep Icelandair direct

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

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