When will Delta's new Boston to Madrid and Nice flights begin?

Delta will begin daily service from Boston to Madrid on May 16, 2026, and three-weekly service to Nice on May 17, 2026. Both routes are seasonal for the summer travel period.

What aircraft will Delta use for these new European routes?

Both new routes will be operated by Delta's Airbus A330-900neo aircraft, featuring 29 Delta One suites, 28 Premium Select seats, 56 Comfort+ seats, and 168 Main Cabin seats.

How many European destinations will Delta serve from Boston in Summer 2026?

With these new additions, Delta will serve 12 European destinations from Boston in Summer 2026: Amsterdam, Athens, Barcelona, Dublin, Edinburgh, Lisbon, London, Madrid, Milan, Nice, Paris, and Rome.

Is Delta the only US airline flying to Europe from Boston?

Delta is the dominant US carrier for transatlantic service from Boston, though JetBlue also offers some long-haul service to London and Paris. International carriers like Air France, British Airways, Iberia, and Lufthansa also operate European routes from Boston.

When will bookings open for these new routes?

Delta has not yet announced when bookings will open for these new routes. Typically, new international routes become bookable approximately 11 months before departure, which would suggest bookings may open around June 2025.

Will Delta face competition on these new routes?

Delta will compete with Iberia on the Boston-Madrid route. The Boston-Nice route is currently unserved by any carrier offering nonstop flights, making Delta's new service the only nonstop option between these cities.