Cheapest return flights from New York to Keflavik in September from 264€

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

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

Return flights

01 Sep - 12 Sep Fly Play direct
08 Sep - 12 Sep Fly Play direct
08 Sep - 20 Sep Fly Play direct
04 Sep - 15 Sep Fly Play direct
30 Sep - 08 Oct Fly Play direct
12 Sep - 21 Sep Fly Play direct
09 Sep - 14 Sep Fly Play direct
24 Sep - 27 Sep Fly Play direct

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

Skyscanner

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik