Cheapest return flights from New York to Keflavik in October from $390

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

Return flights

20 Oct - 15 Nov Austrian Airlines
20 Oct - 15 Nov Icelandair direct
22 Oct - 15 Nov Icelandair direct
26 Oct - 05 Nov Icelandair direct
22 Oct - 29 Oct Icelandair direct
23 Oct - 29 Oct Icelandair direct
23 Oct - 15 Nov Icelandair direct
27 Oct - 02 Nov Icelandair direct
27 Oct - 03 Nov Icelandair direct
24 Oct - 29 Oct Icelandair direct
24 Oct - 24 Nov Icelandair direct
24 Oct - 15 Nov Icelandair direct
23 Oct - 02 Nov Icelandair direct
20 Oct - 27 Oct Austrian Airlines
18 Oct - 23 Oct Icelandair direct
23 Oct - 30 Oct Icelandair direct
23 Oct - 27 Oct Austrian Airlines
26 Oct - 29 Oct jetBlue
18 Oct - 22 Oct Icelandair
17 Oct - 22 Oct Icelandair

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.