Cheapest return flights from New York to Keflavik in October from $448

Best time to book flights for New York (JFK) to Keflavik (KEF) flights at AirHint

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

Return flights

12 Oct - 20 Oct Air France direct
13 Oct - 22 Oct Air France direct
12 Oct - 22 Oct Air France direct
11 Oct - 21 Oct Air France direct
10 Oct - 18 Oct Icelandair direct
02 Oct - 07 Oct Icelandair direct
27 Oct - 06 Nov Finnair
27 Oct - 04 Nov Finnair
29 Oct - 06 Nov Finnair
28 Oct - 05 Nov Finnair
15 Oct - 22 Oct Delta direct
25 Oct - 31 Oct Icelandair direct
02 Oct - 14 Oct Icelandair direct
27 Oct - 06 Nov Icelandair direct
21 Oct - 29 Oct Icelandair direct
27 Oct - 04 Nov Icelandair direct
28 Oct - 05 Nov Icelandair direct
29 Oct - 06 Nov Icelandair direct
24 Oct - 01 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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