this post is somewhat random because i do not have dates and not all the round trip prices are the same, except they are low. what i found, i linked with dates so maybe you can test dates around those times (jan-march 2019), if you are interested in doing this deal…
This is on Norwegian Air, a low-cost long-haul airline, via Skyscanner.
JFK to Krakow Poland $ 195 RT with one stop in Oslo –
Travel Dates: Jan 18-31, 2019
EWR to Tel Aviv Israel $ 239 RT with one stop in Rome –
Travel Date: Feb 28 – March 3, 2019
EWR to Tel Aviv Israel $ 220 RT with one/two stops –
Travel Dates: Jan 18 – June 9, 2019