AirHint found the following cheapest return flights from New York (JFK) to Keflavik (KEF) in November 2025 (see full year).

Return flights

17 Nov - 23 Nov	Icelandair	direct
14 Nov - 17 Nov	Icelandair	direct
08 Nov - 15 Nov	Finnair
02 Nov - 10 Nov	Finnair
05 Nov - 12 Nov	Icelandair	direct
18 Nov - 25 Nov	Icelandair	direct
02 Nov - 10 Nov	Icelandair	direct
30 Nov - 07 Dec	British Airways
23 Nov - 29 Nov	Finnair
24 Nov - 01 Dec	Finnair
06 Nov - 13 Nov	British Airways
27 Nov - 04 Dec	British Airways
06 Nov - 13 Nov	Icelandair	direct
30 Nov - 07 Dec	Icelandair	direct
27 Nov - 04 Dec	Icelandair	direct
26 Nov - 01 Dec	British Airways
25 Nov - 01 Dec	British Airways

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

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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Cheapest return flights from New York to Keflavik in November from 321€

Return flights