Cheapest return flights from New York to Keflavik in October from $426

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

Return flights

11 Oct - 16 Oct Spirit Airlines
07 Oct - 14 Oct Spirit Airlines
18 Oct - 23 Oct Spirit Airlines
23 Oct - 01 Nov Spirit Airlines
15 Oct - 22 Oct Spirit Airlines
05 Oct - 14 Oct Air France
11 Oct - 15 Oct Spirit Airlines
04 Oct - 09 Oct Spirit Airlines
07 Oct - 11 Oct Spirit Airlines
04 Oct - 08 Oct Spirit Airlines
31 Oct - 03 Nov Spirit Airlines
11 Oct - 17 Oct Spirit Airlines
31 Oct - 07 Nov Spirit Airlines
26 Oct - 01 Nov Spirit Airlines
23 Oct - 02 Nov Spirit Airlines
31 Oct - 06 Nov American Airlines
27 Oct - 11 Nov Scandinavian Airlines
25 Oct - 12 Nov Porter Airlines (Canada) Ltd
18 Oct - 04 Nov Porter Airlines (Canada) Ltd
26 Oct - 05 Nov Porter Airlines (Canada) Ltd

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

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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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