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

Return flights

12 Nov - 17 Nov	Spirit Airlines
08 Nov - 15 Nov	Spirit Airlines
07 Nov - 15 Nov	Spirit Airlines
01 Nov - 08 Nov	Spirit Airlines
25 Nov - 01 Dec	Air Canada
11 Nov - 19 Nov	Spirit Airlines
11 Nov - 18 Nov	Spirit Airlines
10 Nov - 19 Nov	Spirit Airlines
07 Nov - 12 Nov	Spirit Airlines
07 Nov - 11 Nov	Spirit Airlines
15 Nov - 20 Nov	Spirit Airlines
26 Nov - 02 Dec	Spirit Airlines
26 Nov - 01 Dec	Air Canada
18 Nov - 01 Dec	Scandinavian Airlines
29 Nov - 02 Dec	Porter Airlines (Canada) Ltd
20 Nov - 13 Dec	Spirit 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 $409

Return flights