Cheapest return flights from Newark to Keflavik in October from $364

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

13 Oct - 20 Oct Delta
12 Oct - 20 Oct Delta
01 Oct - 05 Oct Scandinavian Airlines
15 Oct - 23 Oct Scandinavian Airlines
08 Oct - 13 Oct Scandinavian Airlines
16 Oct - 23 Oct Scandinavian Airlines
16 Oct - 19 Oct Scandinavian Airlines
20 Oct - 27 Oct Scandinavian Airlines
16 Oct - 20 Oct Scandinavian Airlines
04 Oct - 14 Oct Scandinavian Airlines
28 Oct - 06 Nov Icelandair direct
27 Oct - 04 Nov Icelandair direct
29 Oct - 06 Nov Icelandair direct
28 Oct - 03 Nov Icelandair direct
27 Oct - 03 Nov Icelandair direct
30 Oct - 07 Nov Icelandair direct
30 Oct - 05 Nov Icelandair direct
25 Oct - 01 Nov Icelandair direct
24 Oct - 01 Nov Icelandair direct
31 Oct - 07 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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