Cheapest return flights from New York to Keflavik in March from $366

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 March 2025 (see full year).

Return flights

03 Mar - 11 Mar Icelandair direct
23 Mar - 28 Mar Icelandair direct
23 Mar - 27 Mar Icelandair direct
03 Mar - 12 Mar Icelandair direct
04 Mar - 11 Mar Icelandair direct
20 Mar - 25 Mar Icelandair direct
24 Mar - 30 Mar Icelandair direct
06 Mar - 11 Mar Icelandair direct
29 Mar - 04 Apr Icelandair direct
24 Mar - 28 Mar Icelandair direct
13 Mar - 18 Mar Icelandair direct
13 Mar - 15 Apr Icelandair direct
25 Mar - 01 Apr Icelandair direct
31 Mar - 04 Apr Icelandair direct
28 Mar - 04 Apr Icelandair direct
31 Mar - 06 Apr Delta direct
31 Mar - 10 Apr Delta direct
28 Mar - 05 Apr Icelandair direct
12 Mar - 14 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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