Athens, Barcelona, and Lisbon from Newark and Washington, D.C. Via United United’s new seasonal service will offer daily nonstop flights this spring through early fall out of Newark and Washington, D.C. (Dulles), to Athens, Barcelona, and Lisbon. Look for these limited-time flights through September 6 for Barcelona and Lisbon and through October 5 for Athens, … Continue reading Athens, Barcelona, and Lisbon