Cheapest one-way flights from New York to Keflavik in January from $291

AirHint found the following cheapest one-way flights from New York (LGA) to Keflavik (KEF) in January 2026 (see full year).

One-Way flights

28 Jan Frontier Airlines
22 Jan Spirit Airlines
29 Jan Spirit Airlines
13 Jan Spirit Airlines
16 Jan Lufthansa
14 Jan Lufthansa
04 Jan Air Canada
17 Jan Spirit Airlines
09 Jan Spirit Airlines
25 Jan Porter Airlines (Canada) Ltd

Also check the deals for return flights from New York to Keflavik in January.

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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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