Cheapest return flights from New York to Keflavik in September from 397€

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

Return flights

07 Sep - 13 Sep Delta direct
24 Sep - 28 Sep Air France
14 Sep - 21 Sep Air France
27 Sep - 03 Oct Scandinavian Airlines
27 Sep - 03 Oct Icelandair direct
14 Sep - 21 Sep Icelandair direct
16 Sep - 20 Sep Icelandair direct
24 Sep - 28 Sep Icelandair direct
25 Sep - 10 Oct KLM direct

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

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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.

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