Cheapest one-way flights from New York to Keflavik in September from $322

AirHint found the following cheapest one-way flights from New York (NYC) to Keflavik (KEF) in September 2026 (see full year).

One-Way flights

04 Sep KLM
18 Sep FrenchBee
03 Sep Finnair
16 Sep United direct
04 Sep Air France direct
17 Sep Air Canada
17 Sep Icelandair direct
19 Sep Finnair
19 Sep Icelandair direct
18 Sep Icelandair direct

Also check the deals for return 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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