Cheapest return flights from Newark to Keflavik in October from $347

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

Return flights

02 Oct - 16 Oct Icelandair direct
20 Oct - 28 Oct Icelandair direct
23 Oct - 29 Oct Icelandair direct
15 Oct - 21 Oct Icelandair direct
09 Oct - 14 Oct Icelandair direct
14 Oct - 21 Oct Icelandair direct
01 Oct - 06 Oct Icelandair direct
13 Oct - 21 Oct Icelandair direct
23 Oct - 28 Oct Icelandair direct
01 Oct - 08 Oct Icelandair direct
28 Oct - 04 Nov Icelandair direct
27 Oct - 03 Nov Icelandair direct
25 Oct - 01 Nov Icelandair direct
27 Oct - 08 Nov Icelandair direct
31 Oct - 07 Nov Icelandair direct
30 Oct - 05 Nov Icelandair direct
29 Oct - 05 Nov Icelandair direct
27 Oct - 09 Nov Icelandair direct
31 Oct - 08 Nov Icelandair direct

Also check the deals for one-way flights from Newark 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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