Cheapest return flights from New York to Keflavik in September from 342€

AirHint found the following cheapest return flights from New York (LGA) to Keflavik (KEF) in September 2026 (see full year).

Return flights

05 Sep - 19 Sep Air Canada
26 Sep - 03 Oct United
26 Sep - 10 Oct United
05 Sep - 12 Sep Air Canada
26 Sep - 09 Oct Air Canada
22 Sep - 06 Oct British Airways
25 Sep - 11 Oct British Airways
25 Sep - 09 Oct British Airways

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

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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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