United Airlines flights from Dulles, Washington (IAD) to Heathrow, London (LHR).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 09:25 Dulles, Washington (IAD) 21:50 Heathrow, London (LHR) 2
United Airlines UA 122 Non-stop Boeing 767-300 (763) 7:25 Operates only on 2024-10-26
Daily 09:25 Dulles, Washington (IAD) 20:50 Heathrow, London (LHR) 2
United Airlines UA 122 Non-stop Boeing 767-300 (763) 7:25 Effective from 2024-10-27
Daily 18:25 Dulles, Washington (IAD) 06:40 Heathrow, London (LHR) 2
United Airlines UA 918 Non-stop Boeing 777 (777) 7:15 Valid until 2024-03-09
The flight arrives 1 day after departure.
Daily 18:30 Dulles, Washington (IAD) 06:45 Heathrow, London (LHR) 2
United Airlines UA 918 Non-stop Boeing 777 (777) 7:15 Effective 2024-03-30 through 2024-10-25
The flight arrives 1 day after departure.
Daily 19:25 Dulles, Washington (IAD) 06:40 Heathrow, London (LHR) 2
United Airlines UA 918 Non-stop Boeing 777 (777) 7:15 Effective 2024-03-10 through 2024-03-29
The flight arrives 1 day after departure.
Daily 19:25 Dulles, Washington (IAD) 06:40 Heathrow, London (LHR) 2
United Airlines UA 918 Non-stop Boeing 777 (777) 7:15 Effective from 2024-10-26
The flight arrives 1 day after departure.
Daily 22:00 Dulles, Washington (IAD) 10:25 Heathrow, London (LHR) 2
United Airlines UA 924 Non-stop Boeing 767-300 (763) 7:25 Valid until 2024-03-07
The flight arrives 1 day after departure.
Daily 22:05 Dulles, Washington (IAD) 10:40 Heathrow, London (LHR) 2
United Airlines UA 924 Non-stop Boeing 767-300 (763) 7:35 Effective 2024-03-30 through 2024-05-22
The flight arrives 1 day after departure.
Fri,Sat 22:15 Dulles, Washington (IAD) 10:25 Heathrow, London (LHR) 2
United Airlines UA 924 Non-stop Boeing 777 (777) 7:10 Effective 2024-03-08 through 2024-03-09
The flight arrives 1 day after departure.
Daily 22:25 Dulles, Washington (IAD) 10:40 Heathrow, London (LHR) 2
United Airlines UA 924 Non-stop Boeing 777 (777) 7:15 Effective 2024-05-23 through 2024-10-25
The flight arrives 1 day after departure.
Daily 23:00 Dulles, Washington (IAD) 10:25 Heathrow, London (LHR) 2
United Airlines UA 924 Non-stop Boeing 767-300 (763) 7:25 Effective from 2024-10-26
The flight arrives 1 day after departure.
Daily 23:15 Dulles, Washington (IAD) 10:25 Heathrow, London (LHR) 2
United Airlines UA 924 Non-stop Boeing 777 (777) 7:10 Effective 2024-03-10 through 2024-03-29
The flight arrives 1 day after departure.




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United Airlines flights from Dulles, Washington (IAD) to Heathrow, London (LHR).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA122
09:25
Dulles, Washington (IAD)

21:50
Heathrow, London (LHR) 2
Operates only on 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:25, non-stop
Boeing 767-300 (763)
United Airlines UA122
09:25
Dulles, Washington (IAD)

20:50
Heathrow, London (LHR) 2
Effective from 2024-10-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:25, non-stop
Boeing 767-300 (763)
United Airlines UA918
18:25
Dulles, Washington (IAD)

06:40(+1)
Heathrow, London (LHR) 2
Valid until 2024-03-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:15, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.
United Airlines UA918
18:30
Dulles, Washington (IAD)

06:45(+1)
Heathrow, London (LHR) 2
Effective 2024-03-30 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:15, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.
United Airlines UA918
19:25
Dulles, Washington (IAD)

06:40(+1)
Heathrow, London (LHR) 2
Effective 2024-03-10 through 2024-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:15, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.
United Airlines UA918
19:25
Dulles, Washington (IAD)

06:40(+1)
Heathrow, London (LHR) 2
Effective from 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:15, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.
United Airlines UA924
22:00
Dulles, Washington (IAD)

10:25(+1)
Heathrow, London (LHR) 2
Valid until 2024-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:25, non-stop
Boeing 767-300 (763)
The flight arrives 1 day after departure.
United Airlines UA924
22:05
Dulles, Washington (IAD)

10:40(+1)
Heathrow, London (LHR) 2
Effective 2024-03-30 through 2024-05-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:35, non-stop
Boeing 767-300 (763)
The flight arrives 1 day after departure.
United Airlines UA924
22:15
Dulles, Washington (IAD)

10:25(+1)
Heathrow, London (LHR) 2
Effective 2024-03-08 through 2024-03-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 7:10, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.
United Airlines UA924
22:25
Dulles, Washington (IAD)

10:40(+1)
Heathrow, London (LHR) 2
Effective 2024-05-23 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:15, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.
United Airlines UA924
23:00
Dulles, Washington (IAD)

10:25(+1)
Heathrow, London (LHR) 2
Effective from 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:25, non-stop
Boeing 767-300 (763)
The flight arrives 1 day after departure.
United Airlines UA924
23:15
Dulles, Washington (IAD)

10:25(+1)
Heathrow, London (LHR) 2
Effective 2024-03-10 through 2024-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:10, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.
  • An international route departing from Dulles, Washington airport, United States (IAD) and arriving at Heathrow, London airport, United Kingdom (LHR).
  • The flight distance is 3665 miles, or 5898 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC+0 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 7:10 and 7:35.
All IAD-LHR flights
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