How much money can I bring into the U.S. from a foreign country ?

There is no limit, and it is not illegal to bring in or take out any amount of money or monetary instruments from or to the United States. Examples of monetary instruments include U.S. or foreign coin in current circulation, travelers checks, currency, money orders and negotiable instruments or investment securities in bearer form. However, if you take out or bring in more than $10,000 you must file IRS Form 4790, the Report of International Transportation of Currency or Monetary Instruments with US Customs. Failure to comply can result in criminal, civil forfeiture penalties.