Cheapest return NYC–KEF flights, May

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

Return flights

11 May - 18 May Air France direct
12 May - 17 May Delta direct
12 May - 19 May Virgin Atlantic direct
25 May - 29 May Air France direct
09 May - 15 May Delta direct
09 May - 17 May Air France direct
14 May - 18 May KLM
13 May - 20 May KLM
30 May - 06 Jun Air France direct
31 May - 05 Jun Delta direct
25 May - 04 Jun Virgin Atlantic direct
14 May - 20 May KLM
13 May - 17 May KLM
28 May - 05 Jun Delta direct
29 May - 16 Jun Air France
29 May - 06 Jun Air France
29 May - 15 Jun Air France
29 May - 03 Jun Delta direct
29 May - 16 Jun Delta direct
29 May - 06 Jun Delta direct

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

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.