United Airlines flights from London Heathrow (LHR) to San Francisco (SFO).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 10:05 London Heathrow (LHR) 2 13:20 San Francisco (SFO) I
United Airlines UA 900 Non-stop Boeing 777 (777) 11:15 Valid until 2026-02-03
Daily 10:05 London Heathrow (LHR) 2 13:20 San Francisco (SFO) I
United Airlines UA 900 Non-stop Boeing 777 (777) 11:15 Effective 2026-02-05 through 2026-03-07
Daily 10:05 London Heathrow (LHR) 2 14:20 San Francisco (SFO) I
United Airlines UA 900 Non-stop Boeing 777 (777) 11:15 Effective 2026-03-08 through 2026-03-28
Daily 10:05 London Heathrow (LHR) 2 14:20 San Francisco (SFO) I
United Airlines UA 900 Non-stop Boeing 777 (777) 11:15 Effective from 2026-10-25
Daily 10:35 London Heathrow (LHR) 2 13:40 San Francisco (SFO) I
United Airlines UA 900 Non-stop Boeing 777 (777) 11:05 Effective 2026-03-29 through 2026-05-20
Daily 10:35 London Heathrow (LHR) 2 13:35 San Francisco (SFO) I
United Airlines UA 900 Non-stop Boeing 777 (777) 11:00 Effective 2026-05-21 through 2026-08-30
Daily 10:35 London Heathrow (LHR) 2 13:40 San Francisco (SFO) I
United Airlines UA 900 Non-stop Boeing 777 (777) 11:05 Effective 2026-08-31 through 2026-10-24
Daily 16:15 London Heathrow (LHR) 2 19:20 San Francisco (SFO) I
United Airlines UA 939 Non-stop Boeing 777 (777) 11:05 Effective 2026-03-29 through 2026-05-20
Daily 16:15 London Heathrow (LHR) 2 19:15 San Francisco (SFO) I
United Airlines UA 939 Non-stop Boeing 777 (777) 11:00 Effective 2026-05-21 through 2026-10-24
Daily 13:00 London Heathrow (LHR) 2 16:10 San Francisco (SFO) I
United Airlines UA 949 Non-stop Boeing 777 (777) 11:10 Effective 2026-03-29 through 2026-05-20
Daily 13:00 London Heathrow (LHR) 2 16:05 San Francisco (SFO) I
United Airlines UA 949 Non-stop Boeing 777 (777) 11:05 Effective 2026-05-21 through 2026-08-01
Daily 13:00 London Heathrow (LHR) 2 16:00 San Francisco (SFO) I
United Airlines UA 949 Non-stop Boeing 777 (777) 11:00 Effective 2026-08-02 through 2026-08-30
Daily 13:00 London Heathrow (LHR) 2 16:05 San Francisco (SFO) I
United Airlines UA 949 Non-stop Boeing 777 (777) 11:05 Effective 2026-08-31 through 2026-10-24
Daily 13:45 London Heathrow (LHR) 2 17:00 San Francisco (SFO) I
United Airlines UA 949 Non-stop Boeing 777 (777) 11:15 Valid until 2026-02-03
Daily 13:45 London Heathrow (LHR) 2 17:00 San Francisco (SFO) I
United Airlines UA 949 Non-stop Boeing 777 (777) 11:15 Effective 2026-02-05 through 2026-03-07
Daily 13:45 London Heathrow (LHR) 2 18:00 San Francisco (SFO) I
United Airlines UA 949 Non-stop Boeing 777 (777) 11:15 Effective 2026-03-08 through 2026-03-28
Daily 13:45 London Heathrow (LHR) 2 18:00 San Francisco (SFO) I
United Airlines UA 949 Non-stop Boeing 777 (777) 11:15 Effective from 2026-10-25
Wed 17:00 London Heathrow (LHR) 2 20:20 San Francisco (SFO) I
United Airlines UA 949 Non-stop Boeing 777 (777) 11:20 Operates only on 2026-02-04




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United Airlines flights from London Heathrow (LHR) to San Francisco (SFO).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA900
10:05
London Heathrow (LHR) 2

13:20
San Francisco (SFO) I
Valid until 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:15, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA900
10:05
London Heathrow (LHR) 2

13:20
San Francisco (SFO) I
Effective 2026-02-05 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:15, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA900
10:05
London Heathrow (LHR) 2

14:20
San Francisco (SFO) I
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:15, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA900
10:05
London Heathrow (LHR) 2

14:20
San Francisco (SFO) I
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:15, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA900
10:35
London Heathrow (LHR) 2

13:40
San Francisco (SFO) I
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:05, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA900
10:35
London Heathrow (LHR) 2

13:35
San Francisco (SFO) I
Effective 2026-05-21 through 2026-08-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:00, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA900
10:35
London Heathrow (LHR) 2

13:40
San Francisco (SFO) I
Effective 2026-08-31 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:05, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA939
16:15
London Heathrow (LHR) 2

19:20
San Francisco (SFO) I
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:05, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA939
16:15
London Heathrow (LHR) 2

19:15
San Francisco (SFO) I
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:00, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA949
13:00
London Heathrow (LHR) 2

16:10
San Francisco (SFO) I
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:10, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA949
13:00
London Heathrow (LHR) 2

16:05
San Francisco (SFO) I
Effective 2026-05-21 through 2026-08-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:05, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA949
13:00
London Heathrow (LHR) 2

16:00
San Francisco (SFO) I
Effective 2026-08-02 through 2026-08-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:00, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA949
13:00
London Heathrow (LHR) 2

16:05
San Francisco (SFO) I
Effective 2026-08-31 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:05, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA949
13:45
London Heathrow (LHR) 2

17:00
San Francisco (SFO) I
Valid until 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:15, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA949
13:45
London Heathrow (LHR) 2

17:00
San Francisco (SFO) I
Effective 2026-02-05 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:15, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA949
13:45
London Heathrow (LHR) 2

18:00
San Francisco (SFO) I
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:15, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA949
13:45
London Heathrow (LHR) 2

18:00
San Francisco (SFO) I
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:15, non-stop
Boeing 777 (777)
Direct Flights:
United Airlines UA949
17:00
London Heathrow (LHR) 2

20:20
San Francisco (SFO) I
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 11:20, non-stop
Boeing 777 (777)
  • An international route departing from London Heathrow airport, United Kingdom (LHR) and arriving at San Francisco airport, United States (SFO).
  • The flight distance is 5350 miles, or 8610 km.
  • The timezone of the departure airport is UTC+0 , and the timezone of the arrival airport is UTC-8 . 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 11:00 and 11:20.
All LHR-SFO flights
All United Airlines flights
Return (SFO-LHR) flights
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