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Direct flights from Seattle to London

Airlines Schedules

SEA - LHR route map All flights from SEA to LHR non-stop. There are direct flights from Seattle Tacoma International (SEA), Washington, USA to Heathrow (LHR), United Kingdom with British Airways, Virgin Atlantic and 2 other airlines. 39 weekly departures are currently scheduled on this route. Departure times range from 13:25 to 22:05 depending on the schedule period. The flight distance is 4812 miles (7743 km). Flight time ranges from 9 hours and 15 minutes to 9 hours and 50 minutes.

SEA
Seattle Tacoma
USASeattle , USA
LHR
Heathrow
United KingdomLondon , United Kingdom
SEA
Seattle Tacoma
USASeattle , USA
Heathrow
United KingdomLondon , United Kingdom
LHR
Flight time 9h 15min to 9h 50min
Updated Jun 29, 2026
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Airlines with non-stop routes:

British Airways oneworld

Departure times vary between 13:25 and 20:20
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
14 flights/week
14 flights/week

Virgin Atlantic SkyTeam

Departure times vary between 15:00 and 20:10
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
9 flights/week
9 flights/week

Delta Air Lines SkyTeam

Departure times vary between 16:45 and 22:05
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
9 flights/week
9 flights/week

Alaska Airlines oneworld

Departure times vary between 18:55 and 21:45
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
7 flights/week
7 flights/week
Weekday-labels: HAS FLIGHTS UPCOMING NO FLIGHTS
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Flight schedule from Seattle to London with British Airways

This is a weekly direct flight schedule for British Airways. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
BA52
13:30
13:30
13:30
13:30
13:30
13:30
13:30
BA48
20:20
20:20
20:20
20:20
20:20
20:20
20:20

The timetable & schedule information was updated at 2026-06-29

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Flight schedule from Seattle to London with Virgin Atlantic

This is a weekly direct flight schedule for Virgin Atlantic. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
VS106
18:20
18:20
18:20
20:10
18:20
18:20
18:20

The timetable & schedule information was updated at 2026-06-29

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Flight schedule from Seattle to London with Delta Air Lines

This is a weekly direct flight schedule for Delta Air Lines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
DL20
21:50
21:50
21:50
21:50
21:50
21:55
21:55

The timetable & schedule information was updated at 2026-06-29

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Flight schedule from Seattle to London with Alaska Airlines

This is a weekly direct flight schedule for Alaska Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Jul 27
Tue
Jul 28
Wed
Jul 29
Thu
Jul 30
Fri
Jul 31
Sat
Aug 1
Sun
Aug 2
AS100
21:45
21:45
21:45
21:45
21:45
21:40
21:40

The timetable & schedule information was updated at 2026-06-29

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CHECK PRICES
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Seattle to London scheduled departures

Select a date to see every published non-stop departure between SEA and LHR.

Saturday
Sat
Jul 25
5 flights(5)
Sunday
Sun
Jul 26
5 flights(5)
Monday
Mon
Jul 27
5 flights(5)
Tuesday
Tue
Jul 28
5 flights(5)
Wednesday
Wed
Jul 29
5 flights(5)
Thursday
Thu
Jul 30
5 flights(5)
Friday
Fri
Jul 31
5 flights(5)
Time
Airline
Flight
13:30
British Airways British Airways
BA52
18:20
Virgin Atlantic Virgin Atlantic
VS106
20:20
British Airways British Airways
BA48
21:45
Alaska Airlines Alaska Airlines
AS100
21:50
Delta Air Lines Delta Air Lines
DL20
13:30
British Airways British Airways
BA52
18:20
Virgin Atlantic Virgin Atlantic
VS106
20:20
British Airways British Airways
BA48
21:45
Alaska Airlines Alaska Airlines
AS100
21:50
Delta Air Lines Delta Air Lines
DL20
13:30
British Airways British Airways
BA52
18:20
Virgin Atlantic Virgin Atlantic
VS106
20:20
British Airways British Airways
BA48
21:45
Alaska Airlines Alaska Airlines
AS100
21:50
Delta Air Lines Delta Air Lines
DL20
13:30
British Airways British Airways
BA52
18:20
Virgin Atlantic Virgin Atlantic
VS106
20:20
British Airways British Airways
BA48
21:45
Alaska Airlines Alaska Airlines
AS100
21:50
Delta Air Lines Delta Air Lines
DL20
13:30
British Airways British Airways
BA52
18:20
Virgin Atlantic Virgin Atlantic
VS106
20:20
British Airways British Airways
BA48
21:45
Alaska Airlines Alaska Airlines
AS100
21:50
Delta Air Lines Delta Air Lines
DL20
13:30
British Airways British Airways
BA52
20:10
Virgin Atlantic Virgin Atlantic
VS106
20:20
British Airways British Airways
BA48
21:45
Alaska Airlines Alaska Airlines
AS100
21:50
Delta Air Lines Delta Air Lines
DL20
13:30
British Airways British Airways
BA52
18:20
Virgin Atlantic Virgin Atlantic
VS106
20:20
British Airways British Airways
BA48
21:45
Alaska Airlines Alaska Airlines
AS100
21:50
Delta Air Lines Delta Air Lines
DL20
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SEA-LHR flight route
Route map from Seattle, SEA to London, LHR. The distance is 4812 miles or 7743 km.
Seattle - London direct flight map
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SEA - LHR route facts

  • Distance
    4812 miles (7743 km)
  • Flight time
    9 hours and 15 minutes to 9 hours and 50 minutes
  • Airlines
    British Airways British Airways
    Virgin Atlantic Virgin Atlantic
    Delta Delta
    Alaska Airlines Alaska Airlines
  • Airline alliances
    oneworld SkyTeam
  • Cabins
    Economy Premium Economy Business First
  • Hub airports
    British Airways: LHR (Main hub.)
    Virgin Atlantic: LHR
    Delta Air Lines: SEA
    Alaska Airlines: SEA (Primary hub.)
  • Arrival terminals
    British Airways: Terminal 5
    Virgin Atlantic: Terminal 3
    Delta Air Lines: Terminal 3
    Alaska Airlines: Terminal 3
  • Aircraft
    British Airways: Boeing 777, Boeing 787-10, Boeing 787-9 and Boeing 777-300ER
    Virgin Atlantic: Airbus A330-900neo
    Delta Air Lines: Airbus A330-200 and Airbus A330-900neo
    Alaska Airlines: Boeing 787-9

Route FAQ

British Airways, Virgin Atlantic, Delta Air Lines and Alaska Airlines operate non-stop flights from SEA to LHR with 39 weekly departures.

Scheduled flight time from SEA to LHR ranges from 9 hours and 15 minutes to 9 hours and 50 minutes. The route covers 4812 miles (7743 km).

39 weekly departures are currently scheduled on this route, with published departure times ranging from 13:25 to 22:05 depending on the schedule period.

Arrival terminals: British Airways: Terminal 5, Virgin Atlantic: Terminal 3, Delta Air Lines: Terminal 3 and Alaska Airlines: Terminal 3.

Economy, Premium Economy, Business and First are currently scheduled on non-stop flights for this route.
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