Cheapest return flights from New York to Keflavik in March from $376

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

Return flights

11 Mar - 23 Mar Icelandair direct
30 Mar - 09 Apr Icelandair direct
18 Mar - 08 Apr Icelandair direct
11 Mar - 17 Mar Icelandair direct
11 Mar - 16 Mar Icelandair direct
01 Mar - 07 Mar Icelandair direct
08 Mar - 14 Mar Icelandair direct
08 Mar - 12 Mar Icelandair direct
01 Mar - 06 Mar Icelandair direct
24 Mar - 30 Mar Icelandair direct
02 Mar - 07 Mar Icelandair direct
12 Mar - 18 Mar Icelandair direct
29 Mar - 05 Apr Finnair
28 Mar - 09 Apr Icelandair direct
28 Mar - 03 Apr Icelandair direct
26 Mar - 04 Apr Icelandair direct
28 Mar - 04 Apr Icelandair direct
30 Mar - 04 Apr Icelandair direct
29 Mar - 03 Apr Icelandair direct
29 Mar - 05 Apr Icelandair direct

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

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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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