Cheapest return flights from New York to Keflavik in March from $592

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

Return flights

02 Mar - 08 Mar Scandinavian Airlines
11 Mar - 15 Mar Spirit Airlines
01 Mar - 07 Mar Spirit Airlines
04 Mar - 11 Mar Air Canada
07 Mar - 15 Mar Spirit Airlines
28 Mar - 18 Apr Air Canada
31 Mar - 25 Apr Lufthansa
01 Mar - 05 Mar Porter Airlines (Canada) Ltd
27 Mar - 30 Mar Porter Airlines (Canada) Ltd
01 Mar - 21 Mar British Airways
11 Mar - 17 Mar Porter Airlines (Canada) Ltd
22 Mar - 27 Mar Porter Airlines (Canada) Ltd
27 Mar - 05 Apr Porter Airlines (Canada) Ltd
28 Mar - 04 Apr Porter Airlines (Canada) Ltd
27 Mar - 04 Apr Spirit Airlines
31 Mar - 07 Apr Frontier Airlines

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

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