JetBlue Airways today announced a significant expansion of its European destinations with new daily summer seasonal service from Boston to Barcelona, Spain, and Milan, Italy. This move deepens the airline's commitment to its Boston focus city, further solidifying its position in the transatlantic market. The new flights are scheduled to begin in 2026, with service to Barcelona starting on April 16 and to Milan on May 11. With these additions, JetBlue will serve a total of nine European destinations from Boston. The routes will be operated using the airline's A321 aircraft, which feature its premium Mint service.