Key Takeaways JetBlue launched Boston-Barcelona flights, expanding its European network footprint. JBLU targets peak summer demand with fares and the Mint premium offering to attract travelers. JBLU strengthens Boston hub and connectivity while advancing JetForward expansion strategy.JetBlue Airways' (JBLU) launch of Boston–Barcelona service marks a deliberate expansion of its transatlantic footprint, reinforcing Boston as a key international gateway in its network strategy. By adding Barcelona as its secon ...