Cheapest return flights from New York to Keflavik in March from $403

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

Return flights

26 Mar - 03 Apr SWISS
28 Mar - 04 Apr Austrian Airlines
26 Mar - 05 Apr Finnair
07 Mar - 14 Mar Finnair
08 Mar - 15 Mar Finnair
18 Mar - 25 Mar Finnair
19 Mar - 26 Mar Finnair
22 Mar - 29 Mar Finnair
10 Mar - 15 Mar Scandinavian Airlines
20 Mar - 28 Mar Finnair
11 Mar - 25 Mar Scandinavian Airlines
11 Mar - 25 Mar Icelandair direct
14 Mar - 20 Mar Icelandair direct
27 Mar - 18 Apr British Airways
27 Mar - 18 Apr Icelandair direct
26 Mar - 05 Apr Icelandair direct
27 Mar - 05 Apr Icelandair direct
26 Mar - 03 Apr Icelandair direct
27 Mar - 04 Apr Icelandair direct
29 Mar - 05 Apr Lufthansa

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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