The contributors of Flight-Report published 1 reviews on 1 airlines on the route Lisbon - Lisbon Portela (LIS) → Washington - Washington Dulles (IAD). The airline with the best average rating is TAP Air Portugal with 7.2/10. The average flight time is 20 hours and 45 minutes.
Airlines on this route are:
Frequent travelers recommend "TAP Premium Lounge" at LIS for comfort and services.
Access from the airport of (LIS) is rated as average; plan your trip in advance.
