Can I Import Cuban Cigars from Another Country?
No. It is illegal for travelers to acquire Cuban cigars in a third country and bring them into the United States. For example, it is illegal to acquire Cuban cigars in Canada and bring them into the United States.
What are the Penalties for Dealing with Illegally Imported Cuban Cigars?
The penalties for illegally importing, buying, selling, trading, giving away or otherwise engaging transactions involving illegally imported Cuban cigars can be very stiff. The cigars can (and likely will) be confiscated. You also may face civil fines of up to $50,000. In some cases you could even face a criminal trial that could result in jail time.
Quelle: Cuban Cigars in the United States | LegalMatch Law Library