Netaji Subhash Chandra Bose International Airport is an international airport serving Kolkata and the Kolkata Metropolitan Region. It is the primary aviation hub for eastern and northeastern India. It is located approximately 15 kilometres (9.3 mi) from the city centre. The airport is locally known as Kolkata Airport and Dum Dum Airport before being renamed in 1995 after Subhas Chandra Bose, one of the most prominent leaders of the Indian independence movement, from Bengal. The airport's IATA code CCU is associated with "Calcutta", the former legal name of the city. Opened in 1924, Kolkata Airport is one of the oldest airports in India.

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.