Nepal Airlines is the national flag carrier of Nepal with flights to/ from Delhi, Kuala Lumpur, Dubai, Bangkok, Doha and Hong Kong. Other International airlines operating from and to Kathmandu are Air Arabia (Sharjah), Air Asia (Kuala Lumpur), Air China (Lhasa, Chengdu), Biman Bangladesh (Dhaka), China Eastern Airlines (Kunming), China Southern Airlines (Guangzhou), Dragon Air (Hong Kong), Druk Air (Delhi, Paro), Etihad Airways (Abu Dhabi), Flydubai (Dubai), GMG Airlines (Dhaka), Indian Airlines (Delhi, Kolkata, Varanasi), Indigo Airlines (Delhi), Jet Airways (Delhi, Mumbai), Jet Lite (Delhi), Korean Air (Seoul), Malaysian Airlines (Kuala Lumpur), Pakistan International Airlines (Karachi, Islamabad), Qatar Airways (Doha), RAK Air (Ras al- Khaimah), Silk Air (Singapore), Spicejet (Delhi), Thai Airways (Bangkok)and United Airways (Dhaka).
Nepal Airlines has an extensive network of air services to major parts of the country. Besides Nepal Airlines, other domestic airlines (there are more than 18 in operation) provide regular and charter services to popular domestic destinations. Many domestic airlines operate early morning, one-hour mountain flights round the year.
Airport tax is already included in the international air ticket, therefore, passengers departing for international destinations from the Tribhuvan International Airport in Kathmandu do not need to pay airport tax at the airport during departure. However, for domestic travel within Nepal airport tax is included in ticket fare for flights from Kathmandu, while for flights from other parts of the country one has to pay airport tax at the domestic airport before departure.