Cheapest return flights from New York to Keflavik in September from 310€

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

Return flights

01 Sep - 08 Sep Virgin Atlantic direct
02 Sep - 09 Sep Icelandair direct
14 Sep - 21 Sep Icelandair direct
15 Sep - 22 Sep Icelandair direct
10 Sep - 17 Sep Air Canada
10 Sep - 17 Sep Icelandair direct
13 Sep - 20 Sep Air Canada
26 Sep - 01 Oct Icelandair direct
16 Sep - 16 Oct Icelandair direct
07 Sep - 14 Sep Air Canada
09 Sep - 18 Sep Delta direct
07 Sep - 14 Sep Icelandair direct
26 Sep - 06 Oct Air France direct
29 Sep - 05 Oct Air France direct
26 Sep - 05 Oct Air France direct
28 Sep - 04 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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