Delta Adds Seattle to Rome and Barcelona Long-Haul Flights

Delta Air Lines is expanding its international network with two new long-haul routes from its Seattle-Tacoma International Airport hub. Beginning in May 2026, Delta will launch nonstop flights from Seattle to Rome and Barcelona, directly competing with Alaska Airlines’ growing transatlantic ambitions.
Service to Rome will commence on May 6, 2026, operating four times per week. Flights to Barcelona will begin the following day, May 7, 2026, and run three times weekly. Both routes will be served by Delta’s Airbus A330-900neo aircraft, which offer Delta One suites and Delta Premium Select cabins for enhanced passenger comfort.
These additions build on Delta’s current European offerings from Seattle, which include nonstop service to London, Paris, and Amsterdam. The airline also maintains a strong presence in Asia, with existing flights to Tokyo, Seoul, and Taipei.
The move signals Delta’s intent to reinforce its Seattle hub and compete more aggressively with Alaska Airlines. Earlier in June, Alaska announced its own plans to launch service from Seattle to Rome, marking its third long-haul destination after Tokyo Narita and Seoul. The new Rome route is set to begin in summer 2026, creating direct competition between the two carriers.
Delta’s strategic expansion not only increases connectivity between the Pacific Northwest and Southern Europe but also strengthens its position in Seattle amid a competitive transatlantic market. Travelers will benefit from more nonstop options and premium cabin experiences as the airline enhances its global reach.
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