Cheapest return flights from Newark to Keflavik in October from $405

Best time to book flights for Newark (EWR) to Keflavik (KEF) flights at AirHint

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

Return flights

08 Oct - 16 Oct Icelandair direct
22 Oct - 29 Oct Icelandair direct
01 Oct - 10 Oct Icelandair direct
09 Oct - 24 Oct Delta
02 Oct - 08 Oct Delta
09 Oct - 14 Oct KLM
08 Oct - 14 Oct Icelandair direct
21 Oct - 28 Oct Icelandair direct
02 Oct - 08 Oct Icelandair direct
09 Oct - 14 Oct Icelandair direct
29 Oct - 04 Nov Icelandair direct
31 Oct - 07 Nov Icelandair direct
29 Oct - 11 Nov Lufthansa
30 Oct - 07 Nov British Airways
30 Oct - 05 Nov British Airways

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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