Hubbell/Donohue returned to the United States again for the 2021 U.S. Championships, also held in Las Vegas. They placed second in the rhythm dance, 0.44 points behind Chock/Bates, who had not competed at Skate America due to injury. They won the free dance, skating cleanly while Chock/Bates had a twizzle error, and took their third national title. They were named to the American team for the 2021 World Championships in Stockholm.