From NJP (Siliguri/Gangtok arrival) – budget-friendly
From Sikkim Tourism:
Gangtok–Tsomgo–Darjeeling (5 N/6 D): starts at ₹7,500, includes Gangtok, Tsomgo Lake, Baba Mandir, Darjeeling, Tiger Hill
Heena Tours (premium winter departures Oct–Mar)
12 N/11 D Sikkim-Darjeeling-Lachung: ₹135,000/couple
Pluto Tours – Early Summer Offers
6 N/7 D “Gangtok Lachen Gurudongmar Lake”: ₹32,775