All airlines flying from London Heathrow (LHR) to Seattle-Tacoma (SEA).
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| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Daily
12:20
London Heathrow (LHR) 3
14:49
Seattle-Tacoma (SEA) Delta Air Lines DL 21 Non-stop Airbus A330-200 (332) 10:29 Valid until 2026-01-31 |
| Daily
12:20
London Heathrow (LHR) 3
14:45
Seattle-Tacoma (SEA) Delta Air Lines DL 21 Non-stop Airbus A330-200 (332) 10:25 Effective 2026-02-01 through 2026-03-07 |
| Daily
12:20
London Heathrow (LHR) 3
15:40
Seattle-Tacoma (SEA) Delta Air Lines DL 21 Non-stop Airbus A330-200 (332) 10:20 Effective 2026-03-08 through 2026-03-28 |
| Daily
12:20
London Heathrow (LHR) 3
15:50
Seattle-Tacoma (SEA) Delta Air Lines DL 21 Non-stop Airbus A330-200 (332) 10:30 Effective from 2026-10-25 |
| Daily
17:25
London Heathrow (LHR) 3
19:45
Seattle-Tacoma (SEA) Delta Air Lines DL 21 Non-stop Airbus A330-900neo (339) 10:20 Effective 2026-03-29 through 2026-10-24 |
| Daily
14:55
London Heathrow (LHR) 5
16:55
Seattle-Tacoma (SEA) British Airways BA 49 Non-stop Boeing 787-10 (781) 10:00 Valid until 2026-03-02 |
| Tue,Fri,Sat
14:55
London Heathrow (LHR) 5
16:55
Seattle-Tacoma (SEA) British Airways BA 49 Non-stop Boeing 787-9 (789) 10:00 Effective 2026-03-03 through 2026-03-07 |
| Wed,Thu
14:55
London Heathrow (LHR) 5
16:55
Seattle-Tacoma (SEA) British Airways BA 49 Non-stop Boeing 787-10 (781) 10:00 Effective 2026-03-04 through 2026-03-05 |
| Daily
14:55
London Heathrow (LHR) 5
17:55
Seattle-Tacoma (SEA) British Airways BA 49 Non-stop Boeing 787-10 (781) 10:00 Effective 2026-03-08 through 2026-03-22 |
| Mon-Sat
14:55
London Heathrow (LHR) 5
17:55
Seattle-Tacoma (SEA) British Airways BA 49 Non-stop Boeing 787-9 (789) 10:00 Effective 2026-03-23 through 2026-03-28 |
| Daily
14:55
London Heathrow (LHR) 5
17:55
Seattle-Tacoma (SEA) British Airways BA 49 Non-stop Boeing 787-10 (781) 10:00 Effective from 2026-10-25 |
| Daily
16:30
London Heathrow (LHR) 5
18:25
Seattle-Tacoma (SEA) British Airways BA 49 Non-stop Boeing 777-300ER (77W) 9:55 Effective 2026-03-29 through 2026-04-21 |
| Daily
16:30
London Heathrow (LHR) 5
18:25
Seattle-Tacoma (SEA) British Airways BA 49 Non-stop Boeing 777 (777) 9:55 Effective 2026-04-22 through 2026-04-30 |
| Daily
16:30
London Heathrow (LHR) 5
18:25
Seattle-Tacoma (SEA) British Airways BA 49 Non-stop Boeing 777-300ER (77W) 9:55 Effective 2026-05-01 through 2026-08-31 |
| Daily
16:30
London Heathrow (LHR) 5
18:25
Seattle-Tacoma (SEA) British Airways BA 49 Non-stop Boeing 787-10 (781) 9:55 Effective 2026-09-01 through 2026-09-30 |
| Daily
16:30
London Heathrow (LHR) 5
18:25
Seattle-Tacoma (SEA) British Airways BA 49 Non-stop Boeing 777-300ER (77W) 9:55 Effective 2026-10-01 through 2026-10-24 |
| Tue,Fri,Sat
09:25
London Heathrow (LHR) 5
11:30
Seattle-Tacoma (SEA) British Airways BA 53 Non-stop Boeing 777 (777) 10:05 Valid until 2026-02-07 |
| Tue,Fri,Sat
09:25
London Heathrow (LHR) 5
11:30
Seattle-Tacoma (SEA) British Airways BA 53 Non-stop Boeing 777 (777) 10:05 Effective 2026-02-13 through 2026-03-07 |
| Tue,Fri,Sat
09:25
London Heathrow (LHR) 5
12:30
Seattle-Tacoma (SEA) British Airways BA 53 Non-stop Boeing 777 (777) 10:05 Effective 2026-03-10 through 2026-03-28 |
| Tue,Fri,Sat
09:25
London Heathrow (LHR) 5
12:30
Seattle-Tacoma (SEA) British Airways BA 53 Non-stop Boeing 777 (777) 10:05 Effective from 2026-10-27 |
| Mon
09:50
London Heathrow (LHR) 5
11:35
Seattle-Tacoma (SEA) British Airways BA 53 Non-stop Boeing 787-9 (789) 9:45 Operates only on 2026-03-30 |
| Mon,Wed
09:50
London Heathrow (LHR) 5
11:35
Seattle-Tacoma (SEA) British Airways BA 53 Non-stop Boeing 787-10 (781) 9:45 Effective 2026-04-01 through 2026-04-08 |
| Mon-Fri,Sun
09:50
London Heathrow (LHR) 5
11:35
Seattle-Tacoma (SEA) British Airways BA 53 Non-stop Boeing 787-10 (781) 9:45 Effective 2026-04-10 through 2026-04-17 |
| Daily
09:50
London Heathrow (LHR) 5
11:35
Seattle-Tacoma (SEA) British Airways BA 53 Non-stop Boeing 787-10 (781) 9:45 Effective 2026-04-18 through 2026-10-24 |
| Daily
17:00
London Heathrow (LHR) 3
18:50
Seattle-Tacoma (SEA) Alaska Airlines AS 101 Non-stop Boeing 787-9 (789) 9:50 Effective 2026-05-22 through 2026-06-10 |
| Daily
17:00
London Heathrow (LHR) 3
18:45
Seattle-Tacoma (SEA) Alaska Airlines AS 101 Non-stop Boeing 787-9 (789) 9:45 Effective 2026-06-11 through 2026-08-18 |
| Daily
17:00
London Heathrow (LHR) 3
18:55
Seattle-Tacoma (SEA) Alaska Airlines AS 101 Non-stop Boeing 787-9 (789) 9:55 Effective 2026-08-19 through 2026-10-24 |
| Daily
17:00
London Heathrow (LHR) 3
19:55
Seattle-Tacoma (SEA) Alaska Airlines AS 101 Non-stop Boeing 787-9 (789) 9:55 Effective from 2026-10-25 |
| Mon-Sat
10:00
London Heathrow (LHR) 3
13:05
Seattle-Tacoma (SEA) Virgin Atlantic VS 105 Non-stop Boeing 787-9 (789) 10:05 Effective from 2026-10-26 |
| Daily
11:20
London Heathrow (LHR) 3
13:20
Seattle-Tacoma (SEA) Virgin Atlantic VS 105 Non-stop Boeing 787-9 (789) 10:00 Effective 2026-03-29 through 2026-10-24 |
| Mon
13:20
London Heathrow (LHR) 3
15:25
Seattle-Tacoma (SEA) Virgin Atlantic VS 105 Non-stop Boeing 787-9 (789) 10:05 Operates only on 2026-01-05 |
| Tue
13:20
London Heathrow (LHR) 3
15:25
Seattle-Tacoma (SEA) Virgin Atlantic VS 105 Non-stop Boeing 787-9 (789) 10:05 Operates only on 2026-03-03 |
| Mon,Tue,Thu
14:30
London Heathrow (LHR) 3
16:35
Seattle-Tacoma (SEA) Virgin Atlantic VS 105 Non-stop Boeing 787-9 (789) 10:05 Effective 2026-01-06 through 2026-01-20 |
| Mon,Tue,Thu
14:30
London Heathrow (LHR) 3
16:35
Seattle-Tacoma (SEA) Virgin Atlantic VS 105 Non-stop Boeing 787-9 (789) 10:05 Effective 2026-01-26 through 2026-02-05 |
| Mon,Tue,Thu
14:30
London Heathrow (LHR) 3
16:35
Seattle-Tacoma (SEA) Virgin Atlantic VS 105 Non-stop Boeing 787-9 (789) 10:05 Effective 2026-02-12 through 2026-03-02 |
| Thu
14:30
London Heathrow (LHR) 3
16:35
Seattle-Tacoma (SEA) Virgin Atlantic VS 105 Non-stop Boeing 787-9 (789) 10:05 Operates only on 2026-03-05 |
| Mon,Tue,Thu
14:30
London Heathrow (LHR) 3
17:35
Seattle-Tacoma (SEA) Virgin Atlantic VS 105 Non-stop Boeing 787-9 (789) 10:05 Effective 2026-03-09 through 2026-03-26 |
| Mon,Tue,Thu
14:45
London Heathrow (LHR) 3
16:50
Seattle-Tacoma (SEA) Virgin Atlantic VS 105 Non-stop Boeing 787-9 (789) 10:05 Valid until 2026-01-01 |
| Sat
15:05
London Heathrow (LHR) 3
17:10
Seattle-Tacoma (SEA) Virgin Atlantic VS 105 Non-stop Boeing 787-9 (789) 10:05 Valid until 2026-03-07 |
| Sat
15:05
London Heathrow (LHR) 3
18:10
Seattle-Tacoma (SEA) Virgin Atlantic VS 105 Non-stop Boeing 787-9 (789) 10:05 Effective 2026-03-14 through 2026-03-28 |
| Direct Codeshare Flights: |
| Daily
14:55
London Heathrow (LHR) 5
16:55
Seattle-Tacoma (SEA) Iberia IB 3507 Non-stop Boeing 787-10 (781) 10:00 Valid until 2026-03-02 Codeshare flight, operated by British Airways.(BA 49) |
| Tue,Fri,Sat
14:55
London Heathrow (LHR) 5
16:55
Seattle-Tacoma (SEA) Iberia IB 3507 Non-stop Boeing 787-9 (789) 10:00 Effective 2026-03-03 through 2026-03-07 Codeshare flight, operated by British Airways.(BA 49) |
| Wed,Thu
14:55
London Heathrow (LHR) 5
16:55
Seattle-Tacoma (SEA) Iberia IB 3507 Non-stop Boeing 787-10 (781) 10:00 Effective 2026-03-04 through 2026-03-05 Codeshare flight, operated by British Airways.(BA 49) |
| Daily
14:55
London Heathrow (LHR) 5
17:55
Seattle-Tacoma (SEA) Iberia IB 3507 Non-stop Boeing 787-10 (781) 10:00 Effective 2026-03-08 through 2026-03-22 Codeshare flight, operated by British Airways.(BA 49) |
| Mon-Sat
14:55
London Heathrow (LHR) 5
17:55
Seattle-Tacoma (SEA) Iberia IB 3507 Non-stop Boeing 787-9 (789) 10:00 Effective 2026-03-23 through 2026-03-28 Codeshare flight, operated by British Airways.(BA 49) |
| Daily
14:55
London Heathrow (LHR) 5
17:55
Seattle-Tacoma (SEA) Iberia IB 3507 Non-stop Boeing 787-10 (781) 10:00 Effective from 2026-10-25 Codeshare flight, operated by British Airways.(BA 49) |
| Daily
16:30
London Heathrow (LHR) 5
18:25
Seattle-Tacoma (SEA) Iberia IB 3507 Non-stop Boeing 777-300ER (77W) 9:55 Effective 2026-03-29 through 2026-10-24 Codeshare flight, operated by British Airways.(BA 49) |
| Tue,Fri,Sat
09:25
London Heathrow (LHR) 5
11:30
Seattle-Tacoma (SEA) Iberia IB 3509 Non-stop Boeing 777 (777) 10:05 Valid until 2026-02-07 Codeshare flight, operated by British Airways.(BA 53) |
| Tue,Fri,Sat
09:25
London Heathrow (LHR) 5
11:30
Seattle-Tacoma (SEA) Iberia IB 3509 Non-stop Boeing 777 (777) 10:05 Effective 2026-02-13 through 2026-03-07 Codeshare flight, operated by British Airways.(BA 53) |
| Tue,Fri,Sat
09:25
London Heathrow (LHR) 5
12:30
Seattle-Tacoma (SEA) Iberia IB 3509 Non-stop Boeing 777 (777) 10:05 Effective 2026-03-10 through 2026-03-28 Codeshare flight, operated by British Airways.(BA 53) |
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Parallax here LHR-SEA
- An international route departing from London Heathrow airport, United Kingdom (LHR) and arriving at Seattle-Tacoma airport, United States (SEA).
- The flight distance is 4783 miles, or 7697 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 9:20 and 10:30.
