Cheapest return flights from New York to Keflavik in September from 245€

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

Return flights

11 Sep - 20 Sep Icelandair direct
05 Sep - 09 Sep Icelandair direct
24 Sep - 01 Oct Icelandair direct
28 Sep - 09 Oct Icelandair direct
27 Sep - 09 Oct Icelandair direct
30 Sep - 08 Oct Icelandair direct
29 Sep - 07 Oct Icelandair direct
22 Sep - 01 Oct Icelandair direct
10 Sep - 16 Sep Icelandair direct
13 Sep - 17 Sep Icelandair direct
02 Sep - 09 Sep Icelandair direct
02 Sep - 13 Sep Icelandair direct
12 Sep - 15 Sep Icelandair direct
10 Sep - 15 Sep Icelandair direct
03 Sep - 14 Sep Icelandair direct
11 Sep - 15 Sep Icelandair direct
27 Sep - 11 Oct jetBlue
26 Sep - 04 Oct jetBlue
30 Sep - 05 Oct Icelandair direct
29 Sep - 25 Oct Icelandair direct

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

Skyscanner

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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