Cheapest return flights from New York to Keflavik in September from 260€

AirHint found the following cheapest return flights from New York (JFK) to Keflavik (KEF) in September 2025 (see full year).

Return flights

24 Sep - 01 Oct Icelandair direct
30 Sep - 07 Oct Icelandair direct
27 Sep - 02 Oct Icelandair direct
23 Sep - 30 Sep Icelandair direct
16 Sep - 23 Sep Icelandair direct
01 Sep - 07 Sep Icelandair direct
06 Sep - 13 Sep Icelandair direct
29 Sep - 14 Oct Icelandair direct
23 Sep - 07 Oct Icelandair direct
20 Sep - 01 Oct Icelandair direct
18 Sep - 02 Oct Icelandair direct
30 Sep - 14 Oct Icelandair direct
25 Sep - 28 Sep Icelandair direct
06 Sep - 11 Sep Icelandair direct
16 Sep - 21 Sep Icelandair direct
11 Sep - 15 Sep Icelandair direct
11 Sep - 14 Sep Icelandair direct
09 Sep - 18 Sep Icelandair direct
25 Sep - 05 Oct Icelandair direct
26 Sep - 04 Oct Icelandair 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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