Cheapest return flights from New York to Keflavik in May from $414

Best time to book flights for New York (JFK) to Keflavik (KEF) flights at AirHint

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

Return flights

08 May - 12 May Icelandair direct
07 May - 14 May Icelandair direct
03 May - 12 May Icelandair direct
02 May - 07 May Icelandair direct
07 May - 11 May Icelandair direct
19 May - 30 May Icelandair direct
04 May - 08 May Icelandair direct
31 May - 08 Jun Icelandair direct
21 May - 29 May Icelandair direct
21 May - 28 May Icelandair direct
22 May - 27 May Icelandair direct
30 May - 15 Jun Icelandair direct
21 May - 01 Jun Icelandair direct
29 May - 01 Jun Icelandair direct
26 May - 02 Jun Icelandair direct

Also check the deals for one-way 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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