The average bus between Houston Airport (IAH) and United Nations Headquarters takes 41h 42m and the fastest bus takes 39h 1m. The bus service runs several times per day from Houston Airport (IAH) to United Nations Headquarters. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run twice daily between Houston Airport (IAH) and United Nations Headquarters. The earliest departure is at 10:37 AM in the morning, and the last departure from Houston Airport (IAH) is at 8:28 PM which arrives into United Nations Headquarters at 12:29 PM. All services require a transfer at Milam St @ Texas Ave and take an average of 41h 42m. The schedules shown below are for the next available departures.
Arrives +2 days




45h 20m • 4 changes
Arrives +2 days




40h 2m • 4 changes
Arrives +2 days




45h 4m • 4 changes
Arrives +2 days




40h 1m • 4 changes
Want to know about travelling from Houston Airport (IAH) to United Nations Headquarters? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Houston Airport (IAH) to United Nations Headquarters. However, there are services departing from Houston Airport (IAH) station and arriving at United Nations Headquarters station via Milam St @ Texas Ave. The journey, including transfers, takes approximately 41h 42m.
Houston Airport (IAH) to United Nations Headquarters bus services, operated by Metropolitan Transit Harris County, depart from Bush IAH Terminal C station.
Houston Airport (IAH) to United Nations Headquarters bus services, operated by Metropolitan Transit Harris County, arrive at New York City Chinatown station.
The distance between Houston Airport (IAH) and United Nations Headquarters is 2,268.4 km. The road distance is 2,883 km.
You can take a bus from Bush IAH Terminal C to United Nations Headquarters via Milam St @ Texas Ave, Franklin St @ Milam St, Magnolia Transit Center, Houston Bus Station, Atlanta Bus Station, New York City Chinatown, Pike St/Division St, and 1 Av/E 45 St in around 38h 35m.