Cheapest one-way NYC–KEF flights, May

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

One-Way flights

09 May KLM
04 May KLM direct
01 May KLM direct
23 May Air France direct
30 May Air France direct
07 May Air France direct
18 May Air France direct
26 May Air France direct
05 May Air France direct
09 May Air France direct

Also check the deals for return flights from New York to Keflavik in May.

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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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