Belgians travelling to the USA need the following travel documents:
- International passport, valid on entry and during stay
- Possess a proof of financial solvency (credit cards, etc.)
- ESTA form. Please note that there is only one official website with information about and applications for ESTA : https://esta.cbp.dhs.gov/esta/
These entry conditions also apply for transit at US airports.
For more detailed information, please visit the website of the Belgian Ministry of Foreign Affairs.