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

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 - 22 Oct Delta direct
11 Oct - 21 Oct Delta direct
11 Oct - 19 Oct Delta direct
12 Oct - 25 Oct Delta direct
01 Oct - 07 Oct Delta direct
05 Oct - 18 Oct Delta direct
06 Oct - 18 Oct Delta direct
10 Oct - 15 Oct Virgin Atlantic direct
27 Oct - 06 Nov Finnair
29 Oct - 06 Nov Finnair
28 Oct - 05 Nov Finnair
27 Oct - 04 Nov Finnair
09 Oct - 17 Oct Delta direct
10 Oct - 17 Oct Delta direct
27 Oct - 06 Nov Icelandair direct
28 Oct - 05 Nov Icelandair direct
27 Oct - 04 Nov Icelandair direct
26 Oct - 03 Nov Icelandair direct
29 Oct - 06 Nov Icelandair direct
30 Oct - 06 Nov Finnair

Also check the deals for one-way flights from New York to Keflavik in October.

Skyscanner

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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