ShermansTravel offers American Airlines Roundtrip Flights to Cuba from select cities in the U.S., with prices starting from $144.16. (On the ShermansTravel landing page, click on "AA.com" in the main paragraph to see this offer.) That's the lowest price we could find for select routes by at least $31. This price is based on departure on February 1, 2017 from Miami, FL, (MIA) with arrival in Santa Clara, Cuba, (SNU) and return on February 8, 2017.