The nearest Airport to Sikkim is Pakyong Airport. On reaching there, one can hire a taxi and reach any destination by road. There are several flight to Pakyong from various states across the country.
While many private as well as state government buses ply to Gangtok from the Siliguri bus stand, one can prefer hiring a taxi or jeeps to. From the Siliguri bus stand, a journey to Gangtok will take about five to six hours time. Also, various jeeps ply to Gangtok, Siliguri and other places.
The New Jalpaiguri in Siliguri is the nearest railway station to Sikkim. This station has direct connections to major cities like Kolkata and New Delhi. Gangtok is about 12 hours of journey from Kolkata.