Cheapest return flights from New York to Keflavik in October from 278€

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

Return flights

17 Oct - 26 Oct Icelandair direct
15 Oct - 22 Oct Icelandair direct
09 Oct - 14 Oct Icelandair direct
17 Oct - 19 Oct Icelandair direct
24 Oct - 28 Oct Icelandair direct
21 Oct - 28 Oct Icelandair direct
13 Oct - 27 Oct Icelandair direct
13 Oct - 19 Oct Icelandair direct
20 Oct - 31 Oct Icelandair direct
20 Oct - 03 Nov Icelandair direct
27 Oct - 06 Nov Icelandair direct
27 Oct - 10 Nov Icelandair direct
13 Oct - 20 Oct Delta direct
27 Oct - 04 Nov Icelandair direct
31 Oct - 07 Nov Icelandair direct

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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