Amazon UK will ship many items to American addresses. However, there may be restrictions on certain items that prevent them from being shipped out of the United Kingdom. When you visit the item's page on Amazon UK, it should tell you whether or not international shipping is an option.
The cost of shipping an item to the United States depends on the speed that you want. Standard delivery takes 7 to 10 days and costs £0.99 per item + £2.09 per delivery for CDs and DVDs or £2.99 per item + £3.99 per delivery for books.
AmazonGlobal Standard delivery takes 5 to 7 days and is intended for items that fall into many other categories, such as electronics, office supplies, kitchen equipment, and so on. It costs £3.99 per kg + £8.99 per delivery.
Finally, AmazonGlobal Priority is the fastest speed, taking 3 to 5 days for delivery. It costs £1.59 per item + £20.99 per delivery.
Be sure to check the exchange rate between the pound and the dollar before you order to determine how much shipping will cost.