Depending on the type of nonimmigrant visa you have, you may be able to extend your stay in the U.S. Learn if you qualify and how to file for an extension.
If you are visiting the U.S. as a tourist with a B-2 visa, you may file for an extension with Form I-539. You must also:
Not all nonimmigrant visa categories are eligible for an extension.
Learn how to extend your stay in the U.S.