Cheapest return flights from New York to Keflavik in September from 341€

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

Return flights

01 Sep - 09 Sep United direct
13 Sep - 24 Sep Air France direct
07 Sep - 17 Sep United direct
17 Sep - 24 Sep Air France direct
22 Sep - 28 Sep Air France direct
09 Sep - 16 Sep Scandinavian Airlines
22 Sep - 27 Sep Scandinavian Airlines
22 Sep - 27 Sep Icelandair direct
09 Sep - 16 Sep Icelandair direct

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

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