California and the state of New York account for more than a third of all international business travel to the US, with shares of 17.9% and 16.4%, respectively, according to a Booking.com for Business analysis of Department of Commerce data. The statistics are based on share of overseas inbound air business visitors to the US.

These results reflect, said the report, the presence of multiple high-volume business cities within each state, alongside extensive international flight connectivity and a high concentration of corporate activity across finance, technology, professional services and manufacturing.

The remaining rankings for states were: California (17.9%); New York (16.4%); Florida (12.6%); Texas (6.7%); Georgia (3.7%); Illinois (3.2%); Washington (2.8%); New Jersey and Nevada (2.6%); and Tennessee (2%).

The rankings for cities were: New York (17%), Los Angeles (13.8%), San Francisco (10.8%), Miami (10.2%), Atlanta (7%), Chicago (6.3%), Newark, N.J. (5.8%), Houston (4.7%), Dallas/Fort Worth (3.9%) and Washington DC (3.7%).

Joshua Wood, director of business travel at Booking.com for Business, said, “With almost two-thirds of inbound US business travel coming from just 10 countries and arriving in a handful of key cities, the data highlights where international travel demand is most predictable.”

For businesses, said Wood, “knowing which routes and cities carry the highest volumes of inbound trips is more than a nice‑to‑know statistic – it points SMEs to the corridors with the best connections, backup options and on‑the‑ground facilities, and the ones where they can often secure better fares and rates.”