Cheapest return flights from New York to Keflavik in October from $430

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

Return flights

14 Oct - 22 Oct Finnair
14 Oct - 21 Oct Finnair
14 Oct - 22 Oct Icelandair direct
11 Oct - 18 Oct Icelandair direct
15 Oct - 25 Oct Icelandair direct
09 Oct - 17 Oct Icelandair direct
14 Oct - 21 Oct Icelandair direct
08 Oct - 15 Oct Icelandair direct
18 Oct - 31 Oct Finnair
29 Oct - 07 Nov Finnair
18 Oct - 31 Oct Icelandair direct
29 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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