Cheapest return flights from New York to Keflavik in March from $397

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

Return flights

30 Mar - 08 Apr Icelandair direct
29 Mar - 07 Apr Icelandair direct
25 Mar - 30 Mar Icelandair direct
01 Mar - 21 Mar Finnair
09 Mar - 16 Mar Finnair
26 Mar - 18 Apr Finnair
21 Mar - 29 Mar Finnair
21 Mar - 30 Mar Finnair
29 Mar - 05 Apr Finnair
01 Mar - 06 Mar Icelandair direct
21 Mar - 30 Mar Icelandair direct
20 Mar - 28 Mar Finnair
20 Mar - 30 Mar Finnair
09 Mar - 16 Mar Icelandair direct
31 Mar - 08 Apr Icelandair direct
29 Mar - 05 Apr Icelandair direct
26 Mar - 18 Apr Icelandair direct
18 Mar - 11 Apr Lufthansa
11 Mar - 04 Apr Scandinavian Airlines
11 Mar - 04 Apr Icelandair direct

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

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