Cheapest return flights from New York to Keflavik in May from $358

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

14 May - 30 May Icelandair direct
08 May - 15 May Icelandair direct
08 May - 17 May Icelandair direct
10 May - 17 May Icelandair direct
10 May - 19 May Icelandair direct
11 May - 19 May Icelandair direct
13 May - 20 May Icelandair direct
13 May - 21 May Icelandair direct
13 May - 22 May Icelandair direct
14 May - 21 May Icelandair direct
27 May - 02 Jun Icelandair direct
30 May - 06 Jun Icelandair direct
30 May - 08 Jun Icelandair direct
30 May - 09 Jun Icelandair direct
25 May - 02 Jun Icelandair direct
30 May - 04 Jun Icelandair direct
30 May - 03 Jun Icelandair direct
29 May - 02 Jun Icelandair direct
29 May - 05 Jun Delta direct
31 May - 07 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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