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

Return flights

07 Nov - 14 Nov	Icelandair	direct
10 Nov - 24 Nov	Icelandair	direct
30 Nov - 15 Dec	Icelandair	direct
24 Nov - 08 Dec	Icelandair	direct
26 Nov - 30 Nov	Lufthansa
21 Nov - 26 Nov	Icelandair	direct
04 Nov - 14 Nov	Icelandair	direct
21 Nov - 29 Nov	Finnair
21 Nov - 30 Nov	SWISS
05 Nov - 09 Nov	Lufthansa
06 Nov - 11 Nov	British Airways
22 Nov - 28 Nov	Icelandair	direct

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 265€

Return flights