U.S. Dollars are not officially accepted in Cuba but in some cases Cubans will accept dollars instead of the Cuban Convertible Peso (CUC). U.S. travelers arriving in Cuba can exchange their USD (or other foreign currency) at exchange machines in the arrivals area.
For answers to more questions about travel in Cuba, feel free to send a message to one or several of our local Cuba planners through the link on their profile page. You can message locals for free before booking to ask questions and get a sense of who would be the best fit!