Cheapest return flights from New York to Keflavik in March from $630

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

Return flights

09 Mar - 15 Mar Scandinavian Airlines
17 Mar - 26 Mar Scandinavian Airlines
01 Mar - 10 Mar Scandinavian Airlines
28 Mar - 04 Apr Porter Airlines (Canada) Ltd
14 Mar - 24 Mar Porter Airlines (Canada) Ltd
02 Mar - 28 Mar British Airways
09 Mar - 19 Mar Scandinavian Airlines
25 Mar - 01 Apr British Airways
25 Mar - 02 Apr American Airlines
13 Mar - 18 Mar Porter Airlines (Canada) Ltd
13 Mar - 19 Mar Porter Airlines (Canada) Ltd

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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