If you wish to uncover this fascinating place, the ideal way to reach it would be by air. Bagdogra serves as the nearest Domestic Airport to Lachen. On deboarding at the Bagdogra Airport, one can easily hire a taxi which will take around 4 ½ hours to reach Lachen.
Lachen has a well- knit road network, one who wishes to take the roads, can easily take a bus run by Sikkim State Road Transport Corporation (SSRTC) . There are several private services that one can avail to reach the major cities across Sikkim. There are regular buses which ply from Lachen to popular states.
If you wish to take a plane, Bagdogra is the nearest Domestic Airport to Lachen. On reaching the airport one can easily hire a taxi to Lachen. There are numerous flights shuttling to and fro major cities to Bagdogra and this makes travelling by air, lot feasible.
Taking the train will again be a great option to avail for your travel to Lachen. Darjeeling Railway Station, is the nearest to Lachen and is well-connected with most of the cities of Sikkim. Hence a journey by train is another mode of travel that one can opt for to reach Lachen.