Cheapest return flights from New York to Keflavik in October from $361

AirHint found the following cheapest return flights from New York (JFK) to Keflavik (KEF) in October 2025 (see full year).

Return flights

13 Oct - 21 Oct Icelandair direct
21 Oct - 28 Oct Icelandair direct
14 Oct - 21 Oct Icelandair direct
15 Oct - 22 Oct Icelandair direct
25 Oct - 29 Oct Icelandair direct
11 Oct - 16 Oct Icelandair direct
12 Oct - 16 Oct Icelandair direct
28 Oct - 06 Nov Icelandair direct
27 Oct - 03 Nov Icelandair direct
28 Oct - 04 Nov Icelandair direct
27 Oct - 31 Oct Icelandair direct
23 Oct - 28 Oct Icelandair direct
02 Oct - 08 Oct Icelandair direct
28 Oct - 22 Nov Icelandair direct
26 Oct - 05 Nov Icelandair direct
26 Oct - 04 Nov Icelandair direct
28 Oct - 02 Nov Icelandair direct
28 Oct - 01 Nov Icelandair direct
23 Oct - 01 Nov Finnair
22 Oct - 01 Nov Finnair

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

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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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