Cheapest return flights from New York to Keflavik in May from 365€

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

Return flights

07 May - 13 May Air France
04 May - 12 May Finnair
19 May - 26 May KLM direct
15 May - 24 May KLM
03 May - 23 May Air France direct
08 May - 17 May Finnair
07 May - 17 May Finnair
03 May - 01 Jun Finnair
04 May - 01 Jun Finnair
04 May - 12 May Delta direct
26 May - 02 Jun Icelandair direct
27 May - 03 Jun Icelandair direct
28 May - 04 Jun Icelandair direct
29 May - 05 Jun Icelandair direct
30 May - 06 Jun Icelandair direct
31 May - 07 Jun Icelandair direct
20 May - 25 May Scandinavian Airlines
14 May - 20 May Delta direct
03 May - 01 Jun Icelandair direct
04 May - 01 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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