🇺🇸 IAD
Dulles
3698 mi
LIS 🇵🇹
Lisbon

Dulles to Lisbon Flights

Washington Dulles International Airport Lisbon Humberto Delgado Airport 2 airlines

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The Dulles to Lisbon route connects Washington Dulles International Airport (IAD) in US with Lisbon Humberto Delgado Airport (LIS) in PT. This long-haul flight covers approximately 3698 miles (5951 km) with a typical flight time of 6h 41m. This route is served by 2 airlines: United, TAP Air Portugal. AirportRoutes has tracked 4 unique flight numbers on this route.

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Departure Airport

Washington Dulles International Airport

ICAO Code:
KIAD
IATA Code:
IAD
City:
🇺🇸 Dulles
Country:
US
Elevation:
312 ft

Destination Airport

Lisbon Humberto Delgado Airport

ICAO Code:
LPPT
IATA Code:
LIS
City:
🇵🇹 Lisbon
Country:
PT
Elevation:
374 ft

2

Operators

4

Tracked Flights

3698

Miles

6h 41m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
United UAL UA
TAP Air Portugal TAP TP

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 10 19%
Tuesday 7 13%
Wednesday 3 6%
Thursday 10 19%
Friday 10 19%
Saturday 7 13%
Sunday 6 11%

Pattern Analysis

4 Tracked Flights:
Data Points: 53
API observations used to build this analysis
Weekdays: 40 flights
Weekend: 13 flights
Business Route More active on weekdays

All Flight Routes

2 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
A21N 22:35 10:35 PM (Representative)
M T W T F S S
Jun 20, 2026 Active
United
UAL / UA
B772 22:25 10:25 PM (Representative)
M T W T F S S
Jun 20, 2026 Active
Total Routes: 2
Active Routes: 2
Unique Airlines: 2
Aircraft Types: 2

Spotted Departure Times

Departure Time Operator ICAO IATA
22:25 10:25 PM United UAL UA
22:35 10:35 PM TAP Air Portugal TAP TP

Time Information

Times are shown in the departure airport's local timezone (KIAD - America/New_York).

Total Departure Times: 2
Time Range:
22:25 - 22:35
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.