Cheapest return flights from New York to Keflavik in October from $407

Best time to book flights for New York (LGA) to Keflavik (KEF) flights at AirHint

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

Return flights

06 Oct - 13 Oct Air France
07 Oct - 14 Oct Air France
09 Oct - 14 Oct Delta
05 Oct - 12 Oct Air France
09 Oct - 12 Oct Air France
16 Oct - 19 Oct Delta
12 Oct - 19 Oct Delta
25 Oct - 01 Nov Spirit Airlines
15 Oct - 20 Oct Spirit Airlines
23 Oct - 26 Oct Spirit Airlines
13 Oct - 24 Oct Air Canada
29 Oct - 05 Nov Scandinavian Airlines
28 Oct - 06 Nov Scandinavian Airlines

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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