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

Return flights

28 Apr - 23 May	British Airways
29 Apr - 23 May	British Airways
01 Apr - 09 Apr	Porter Airlines (Canada) Ltd
05 Apr - 10 Apr	Porter Airlines (Canada) Ltd
09 Apr - 18 Apr	British Airways
02 Apr - 11 Apr	British Airways
12 Apr - 17 Apr	British Airways

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

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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Cheapest return flights from New York to Keflavik in April from 778€

Return flights