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

Return flights

07 Nov - 11 Nov	Lufthansa
10 Nov - 06 Dec	Lufthansa
17 Nov - 13 Dec	Lufthansa
27 Nov - 07 Dec	SWISS
19 Nov - 13 Dec	Lufthansa
17 Nov - 25 Nov	Lufthansa
17 Nov - 26 Nov	Icelandair	direct
06 Nov - 14 Nov	SWISS
19 Nov - 25 Nov	Lufthansa
14 Nov - 06 Dec	Lufthansa
18 Nov - 27 Nov	Icelandair	direct
16 Nov - 20 Nov	Icelandair	direct
08 Nov - 15 Nov	Lufthansa
13 Nov - 06 Dec	SWISS
26 Nov - 05 Dec	Lufthansa
24 Nov - 03 Dec	Icelandair	direct
07 Nov - 09 Nov	Lufthansa
17 Nov - 22 Nov	Icelandair	direct
17 Nov - 13 Dec	Icelandair	direct
29 Nov - 04 Dec	Scandinavian Airlines

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 351€

Return flights