"Hypothermia had set in, and every minute was precious," Rabbi Lifshitz told JTA.
The 42-year-old rabbi co-directs Chabad of Nepal with his wife, Chani, and the Israel-born couple have rescued dozens of backpackers during their 16-year stay in the country.
A local rescue squad and fellow Israeli backpackers trained in first aid cared for the women until the helicopter arrived.
Rabbi Lifshitz said the women were taken to a hospital in Kathmandu, where they are being treated.
The satellite phones used by the stranded women had been donated by the family of Israeli hiker Nadav Shohamn, who was killed in a freak blizzard in 2014.
In the aftermath of last April's earthquake, Rabbi Lifshitz travelled to badly affected areas to bring aid to locals and rescue stranded Israeli tourists.