By Air: 'Bagdogra Airport' is the nearest airbase which is situated about 124 km from Gangtok near Siliguri in West Bengal. Flights from here connect Bagdogra with three major airports: Kolkata, Delhi and Guwahati. 'Netaji Subhas International Airport' at Kolkata is the closest major airport from Gangtok. The airlines that cater their services at Bagdogra airport are Air India, Air India-IC, IndiGo, Go Business, Go Air, Jet Airways, Jet Airways Konnect, JetLite, Kingfisher, Kingfisher Red, and SpiceJet.
Bagdogra Airport is connected with Gangtok via daily helicopter service. Operated by Sikkim Tourism development Corporation, this helicopter flies only between Bagdogra and Gangtok and only once in a day. One way flight takes about 20 minutes and the helicopter service is subject to weather conditions. Another option for reaching Gangtok from Bagdogra is hiring a taxi. The taxi fare will about Rs. 2000. The bending highway connecting Bagdogra with Gangtok is adorned with beautiful landscapes, lovely waterfalls and a serene view of River Teesta that will accompany you.
By Rail: 'Siliguri' and 'New Jalpaiguri' situated in West Bengal, about 114 km and 125 km respectively from Gangtok are the closest railways heads. From both the train stations a good connectivity is available for Delhi, Calcutta, Lucknow, Guwahati and many other important cities. North East Express, Kamrup Express, Testa Torsa Express, Brahmputra Mail etc are some of the major trains running from here. You can book your train ticket in advance from Sikkim Nationalized Transport office. Once you reach 'Siliguri' or 'New Jalpaiguri' station, you can rent a cab to reach Gangtok or travel by a state transport bus from Siliguri bus station.
By Road: National Highway 31A connects Gangtok with many cities and towns in and around Sikkim. Gangtok is linked by a very good motorable road with Siliguri, Jalpaiguri, Bagdogra, Darjeeling, Kalimpong, etc. Sikkim National Transport buses provide bus service from Tenzing Norgay Bus Terminus to Gangtok. Private buses, taxis, jeeps, Landrovers, etc can be rented at the fixed rates. You can get your seat reserved in the local sight seeing bus through 'Tourist Bureau, Government of West Bengal, Gangtok'. Gangtok is 140 km from Darjeeling, 584 km from Patna, 589 km from Guwahati and 721 km from Kolkata.