Cheapest one-way flights from New York to Keflavik in September from 333€

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

One-Way flights

07 Sep Finnair
22 Sep Delta direct
26 Sep Air France direct
13 Sep Air France direct
06 Sep Air France direct
07 Sep Air France direct
19 Sep Air France direct
02 Sep Air France 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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