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

Return flights

10 Mar - 17 Mar	Icelandair	direct
11 Mar - 23 Mar	Icelandair	direct
30 Mar - 07 Apr	Icelandair	direct
02 Mar - 09 Mar	Icelandair	direct
10 Mar - 19 Mar	Icelandair	direct
03 Mar - 24 Mar	Icelandair	direct
05 Mar - 12 Mar	Icelandair	direct
13 Mar - 23 Mar	Icelandair	direct
03 Mar - 16 Mar	Icelandair	direct
06 Mar - 12 Mar	Icelandair	direct
14 Mar - 21 Mar	Icelandair	direct
23 Mar - 03 Apr	Icelandair	direct

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

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 March from 369€

Return flights