British Airways flight BA 48: Seattle-Tacoma - London Heathrow

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 18:50 Seattle-Tacoma (SEA) 12:20 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 787-10 (781) 9:30 Valid until 2026-03-02
The flight arrives 1 day after departure.
Tue,Fri,Sat 18:50 Seattle-Tacoma (SEA) 12:20 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 787-9 (789) 9:30 Effective 2026-03-03 through 2026-03-07
The flight arrives 1 day after departure.
Wed,Thu 18:50 Seattle-Tacoma (SEA) 12:20 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 787-10 (781) 9:30 Effective 2026-03-04 through 2026-03-05
The flight arrives 1 day after departure.
Daily 19:50 Seattle-Tacoma (SEA) 12:20 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 787-10 (781) 9:30 Effective 2026-03-08 through 2026-03-22
The flight arrives 1 day after departure.
Mon-Fri 19:50 Seattle-Tacoma (SEA) 12:20 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 787-9 (789) 9:30 Effective 2026-03-23 through 2026-03-27
The flight arrives 1 day after departure.
Sat 19:50 Seattle-Tacoma (SEA) 12:20 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 777-300ER (77W) 9:30 Operates only on 2026-10-24
The flight arrives 1 day after departure.
Daily 19:50 Seattle-Tacoma (SEA) 12:20 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 787-10 (781) 9:30 Effective from 2026-10-25
The flight arrives 1 day after departure.
Sat 20:20 Seattle-Tacoma (SEA) 13:45 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 787-9 (789) 9:25 Operates only on 2026-03-28
The flight arrives 1 day after departure.
Daily 20:20 Seattle-Tacoma (SEA) 13:45 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 777-300ER (77W) 9:25 Effective 2026-03-29 through 2026-04-21
The flight arrives 1 day after departure.
Daily 20:20 Seattle-Tacoma (SEA) 13:45 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 777 (777) 9:25 Effective 2026-04-22 through 2026-04-30
The flight arrives 1 day after departure.
Daily 20:20 Seattle-Tacoma (SEA) 13:45 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 777-300ER (77W) 9:25 Effective 2026-05-01 through 2026-08-31
The flight arrives 1 day after departure.
Daily 20:20 Seattle-Tacoma (SEA) 13:45 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 787-10 (781) 9:25 Effective 2026-09-01 through 2026-09-30
The flight arrives 1 day after departure.
Daily 20:20 Seattle-Tacoma (SEA) 13:45 London Heathrow (LHR) 5
BA 48 Non-stop Boeing 777-300ER (77W) 9:25 Effective 2026-10-01 through 2026-10-23
The flight arrives 1 day after departure.
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British Airways flight BA 48:
Seattle-Tacoma - London Heathrow
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
British Airways BA48
18:50
Seattle-Tacoma (SEA)

12:20(+1)
London Heathrow (LHR) 5
Valid until 2026-03-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:30, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Flights:
British Airways BA48
18:50
Seattle-Tacoma (SEA)

12:20(+1)
London Heathrow (LHR) 5
Effective 2026-03-03 through 2026-03-07
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 9:30, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Flights:
British Airways BA48
18:50
Seattle-Tacoma (SEA)

12:20(+1)
London Heathrow (LHR) 5
Effective 2026-03-04 through 2026-03-05
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 9:30, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Flights:
British Airways BA48
19:50
Seattle-Tacoma (SEA)

12:20(+1)
London Heathrow (LHR) 5
Effective 2026-03-08 through 2026-03-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:30, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Flights:
British Airways BA48
19:50
Seattle-Tacoma (SEA)

12:20(+1)
London Heathrow (LHR) 5
Effective 2026-03-23 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 9:30, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Flights:
British Airways BA48
19:50
Seattle-Tacoma (SEA)

12:20(+1)
London Heathrow (LHR) 5
Operates only on 2026-10-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 9:30, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Direct Flights:
British Airways BA48
19:50
Seattle-Tacoma (SEA)

12:20(+1)
London Heathrow (LHR) 5
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:30, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Flights:
British Airways BA48
20:20
Seattle-Tacoma (SEA)

13:45(+1)
London Heathrow (LHR) 5
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 9:25, non-stop
Boeing 787-9 (789)
The flight arrives 1 day after departure.
Direct Flights:
British Airways BA48
20:20
Seattle-Tacoma (SEA)

13:45(+1)
London Heathrow (LHR) 5
Effective 2026-03-29 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:25, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Direct Flights:
British Airways BA48
20:20
Seattle-Tacoma (SEA)

13:45(+1)
London Heathrow (LHR) 5
Effective 2026-04-22 through 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:25, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.
Direct Flights:
British Airways BA48
20:20
Seattle-Tacoma (SEA)

13:45(+1)
London Heathrow (LHR) 5
Effective 2026-05-01 through 2026-08-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:25, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
Direct Flights:
British Airways BA48
20:20
Seattle-Tacoma (SEA)

13:45(+1)
London Heathrow (LHR) 5
Effective 2026-09-01 through 2026-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:25, non-stop
Boeing 787-10 (781)
The flight arrives 1 day after departure.
Direct Flights:
British Airways BA48
20:20
Seattle-Tacoma (SEA)

13:45(+1)
London Heathrow (LHR) 5
Effective 2026-10-01 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:25, non-stop
Boeing 777-300ER (77W)
The flight arrives 1 day after departure.
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Parallax here SEA-LHR
  • BA 48 is an international flight departing from Seattle-Tacoma airport, United States (SEA) and arriving at London Heathrow airport, United Kingdom (LHR).
  • The flight distance is 4783 miles, or 7697 km.
  • The timezone of the departure airport is UTC-8 , 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 9:25 and 9:30.
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