Cheapest return flights from New York to Keflavik in April from $510

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

Return flights

26 Apr - 13 May Air Canada
08 Apr - 22 Apr Air Canada
13 Apr - 21 Apr British Airways
23 Apr - 28 Apr British Airways
07 Apr - 14 Apr Air Canada
22 Apr - 30 Apr Frontier Airlines
23 Apr - 30 Apr British Airways
26 Apr - 30 Apr British Airways
27 Apr - 30 Apr British Airways
14 Apr - 30 Apr British Airways
23 Apr - 27 Apr British Airways
30 Apr - 03 May British Airways
22 Apr - 01 May British Airways
14 Apr - 01 May British Airways
13 Apr - 18 May British Airways

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

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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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