Biratnagar Airport (, ) is a domestic airport located in Biratnagar serving Morang District, Koshi Province, Nepal. Biratnagar Airport is the third busiest airport in Nepal after Kathmandu and Pokhara. There are plans to upgrade the airport to serve international flights very soon.
Biratnagar Airport commenced operations on 6 July 1958.
On 15 August 2017, during the August 2017 Nepal and India floods the runway of Biratnagar Airport was flooded, along with other parts of India and Nepal, and the airport was forced to suspend its operations.
In 2019, the Civil Aviation Authority of Nepal decided to upgrade the Biratnagar Airport to an international level, which includes lengthening the runway. In 2022, locals demonstrated, as they still were not compensated for the land that the Government was purchasing to expand the airport area.
The airport is located at an elevation of above mean sea level. It has one runway designated 09/27 with an asphalt surface measuring .This Airport is equipped for night operations and all-weather serviceability, supported by a Simple Approach Lighting System (SALS) on Runway 09, runway edge lighting, and Precision Approach Path Indicator (PAPI) lights.
For navigation and landing guidance, the aerodrome utilizes a Doppler Very High Frequency Omnidirectional Range (DVOR) collocated with Distance Measuring Equipment (DME) and a Non-Directional Beacon (NDB). Additionally, the airport has implemented satellite-based Performance-based Navigation (PBN), including RNP-AR (Required Navigation Performance) approach procedures.
Ground facilities include a dedicated aviation fuel depot operated by the Nepal Oil Corporation, a passenger terminal recently upgraded to handle increased traffic, and a Category V Rescue and Fire Fighting (RFF) service. The apron provides parking capacity for up to four ATR-72 sized aircraft and additional smaller regional planes.