Bagdogra Airport is a customs airport serving the city of Siliguri in West Bengal, India. It is located in Bagdogra, 12 km (7.5 mi) south-west from the city centre. It is operated as a civil enclave at Bagdogra Air Force Station of the Indian Air Force. It is the gateway to the hill stations of Darjeeling, Gangtok, Kurseong, Kalimpong, Mirik and other parts of North Bengal region. Siliguri, being a major transport and economic hub, the airport sees thousands of travellers and tourists annually. The Government of India conferred limited international airport status to the airport in 2002 with limited international operations to Bangkok–Suvarnabhumi and Paro. This is the second busiest airport in West Bengal.

Siliguri is a major tier-II city in West Bengal. It forms "Twin Cities" with the neighbouring district capital of Jalpaiguri. The city spans areas of the Darjeeling and Jalpaiguri districts in the Indian state of West Bengal. Known as the "Gateway of Northeast India", Siliguri is popular for three Ts: tea, timber and tourism. It is located on the banks of the Mahananda River and the Teesta River at the foothills of the Himalayas. Siliguri is the third largest urban agglomeration in West Bengal, after Kolkata and Asansol.