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

Return flights

11 May - 19 May	Icelandair	direct
18 May - 23 May	Icelandair	direct
01 May - 04 May	Icelandair	direct
25 May - 31 May	Icelandair	direct
07 May - 11 May	Icelandair	direct
13 May - 21 May	Icelandair	direct
12 May - 17 May	Icelandair	direct
10 May - 17 May	Icelandair	direct
16 May - 24 May	Icelandair	direct
04 May - 17 May	Delta	direct

Also check the deals for one-way flights from Keflavik to New York in May.

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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Cheapest return flights from Keflavik to New York in May from 463€

Return flights