Cheapest return flights from New York to Keflavik in September from 261€

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

Return flights

25 Sep - 02 Oct Icelandair direct
26 Sep - 03 Oct Icelandair direct
21 Sep - 28 Sep Icelandair direct
03 Sep - 10 Sep Icelandair direct
08 Sep - 15 Sep Icelandair direct
06 Sep - 13 Sep Icelandair direct
29 Sep - 19 Oct Icelandair direct
28 Sep - 05 Oct Icelandair direct
28 Sep - 06 Oct Icelandair direct
24 Sep - 01 Oct Icelandair direct
30 Sep - 07 Oct Icelandair direct
03 Sep - 12 Sep Icelandair direct
22 Sep - 29 Sep Virgin Atlantic direct
11 Sep - 20 Sep Icelandair direct
12 Sep - 20 Sep Icelandair direct
01 Sep - 07 Sep Icelandair direct
05 Sep - 21 Sep Icelandair direct
25 Sep - 05 Oct Icelandair direct
24 Sep - 05 Oct Icelandair direct
27 Sep - 04 Oct Air Canada

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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