Overnights by foreign tourists were up 23% in April, while overnights by Israelis were down 7%.
The Israeli carrier will now inaugurate the new route in May 2019 after speeding up its program of taking older aircraft out of service.
The price was €25 million higher than the hotel's book value and the company has leased back the hotel for 30 years.
The flights, including a 90-minute stopover in Addis Ababa, will take 13-14 hours.
Israel's kibbutzim only have 3,170 hotel rooms and members aren't convinced that tourism is economically worthwhile.