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

Return flights

15 Apr - 30 Apr	Icelandair	direct
05 Apr - 13 Apr	Icelandair	direct
21 Apr - 27 Apr	Icelandair	direct
14 Apr - 22 Apr	Icelandair	direct
12 Apr - 17 Apr	Icelandair	direct
19 Apr - 24 Apr	Icelandair	direct
13 Apr - 20 Apr	Icelandair	direct
13 Apr - 18 Apr	Icelandair	direct
23 Apr - 30 Apr	Icelandair	direct
18 Apr - 26 Apr	Icelandair	direct
28 Apr - 05 May	Icelandair	direct
24 Apr - 01 May	Air France	direct
23 Apr - 07 May	Delta	direct
23 Apr - 03 May	Finnair
23 Apr - 03 May	Delta	direct

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 $328

Return flights