Cheapest one-way flights from New York to Keflavik in September from $181

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

One-Way flights

01 Sep Fly Play direct
03 Sep Norse Atlantic Airways (UK)
22 Sep Norse Atlantic Airways (UK)
02 Sep Norse Atlantic Airways
28 Sep Norse Atlantic Airways (UK)
27 Sep Norse Atlantic Airways (UK)
03 Sep Icelandair direct
22 Sep Icelandair direct
04 Sep United direct
02 Sep Air France direct

Also check the deals for return 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.