Washington (IAD) to Lisbon (LIS) flights
Nonstop from Washington Dulles International to Lisbon Humberto Delgado: distance, flying time, which airlines fly it and how often.
Distance
5,766km
3,583 mi, great circle
Flying time
7h 32m
typical, gate to gate
Flights a day
2.3
average, November 2026
Airlines
2
passenger airlines
Airlines flying IAD to LIS
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare IAD to LIS fares by month.
Both directions
Frequently asked questions
How long is the flight from Washington to Lisbon?
About 7h 32m gate to gate for the 5,766 km (3,583 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from IAD to LIS?
TAP Air Portugal and United Airlines, with about 2.3 flights a day between them in our data (AeroDataBox, November 2026).