Route Details
| Flight | Airline | From | To | Departure | Arrival | Duration | Days | Effective |
|---|---|---|---|---|---|---|---|---|
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Sat | 2027-03-13 – 2027-03-13 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Mon, Sun | 2026-11-16 – 2026-12-07 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Tue, Wed, Sat | 2027-01-23 – 2027-02-03 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Tue, Wed, Thu, Fri | 2027-03-09 – 2027-03-12 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Sun | 2027-01-31 – 2027-01-31 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Tue, Wed, Fri, Sat | 2026-11-03 – 2026-11-07 |
| 053 | British Airways | LHR | SEA | 09:25 | 11:25 | 10h 0m | Tue, Thu, Sat | 2026-11-03 – 2026-11-24 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Mon, Sun | 2027-02-01 – 2027-03-08 |
| 053 | British Airways | LHR | SEA | 09:25 | 11:25 | 10h 0m | Thu | 2027-02-04 – 2027-02-04 |
| 101 | Alaska Airlines | LHR | SEA | 14:45 | 18:05 | 10h 20m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-10-25 – 2026-10-31 |
| 21 | Delta Air Lines | LHR | SEA | 17:45 | 20:03 | 10h 18m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-03-28 – 2027-11-19 |
| 101 | Alaska Airlines | LHR | SEA | 14:45 | 16:50 | 10h 5m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-01-05 – 2027-03-13 |
| 053 | British Airways | LHR | SEA | 09:25 | 11:25 | 10h 0m | Thu, Sat | 2027-02-18 – 2027-02-25 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Thu, Fri | 2027-01-21 – 2027-01-22 |
| 21 | Delta Air Lines | LHR | SEA | 12:20 | 14:50 | 10h 30m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-11-01 – 2026-12-31 |
| 053 | British Airways | LHR | SEA | 09:25 | 11:25 | 10h 0m | Tue, Thu, Sat | 2027-01-02 – 2027-01-09 |
| 049 | British Airways | LHR | SEA | 14:55 | 17:50 | 9h 55m | Mon | 2026-10-26 – 2026-10-26 |
| 053 | British Airways | LHR | SEA | 09:25 | 11:25 | 10h 0m | Tue, Thu, Sat | 2027-03-04 – 2027-03-13 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Thu, Fri | 2027-01-28 – 2027-01-29 |
| 21 | Delta Air Lines | LHR | SEA | 12:20 | 15:39 | 10h 19m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-03-14 – 2027-03-27 |
| 053 | British Airways | LHR | SEA | 09:25 | 11:25 | 10h 0m | Tue, Thu, Sat | 2027-02-06 – 2027-02-13 |
| 053 | British Airways | LHR | SEA | 09:25 | 11:25 | 10h 0m | Tue, Thu, Sat | 2026-11-28 – 2026-12-31 |
| 049 | British Airways | LHR | SEA | 14:55 | 17:50 | 9h 55m | Tue, Wed, Thu, Fri, Sat | 2026-10-27 – 2026-10-31 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Fri | 2026-12-11 – 2026-12-11 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Thu, Sat | 2027-01-14 – 2027-01-16 |
| 101 | Alaska Airlines | LHR | SEA | 17:00 | 19:10 | 10h 10m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-03-28 – 2027-09-29 |
| 21 | Delta Air Lines | LHR | SEA | 12:20 | 14:39 | 10h 19m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-03-01 – 2027-03-13 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Tue, Wed, Thu, Fri, Sat | 2027-02-04 – 2027-03-06 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Mon, Sun | 2026-11-02 – 2026-11-09 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Tue, Wed, Thu, Fri, Sat | 2027-01-01 – 2027-01-13 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Mon, Sun | 2027-01-03 – 2027-01-25 |
| 053 | British Airways | LHR | SEA | 09:25 | 11:25 | 10h 0m | Sat | 2027-02-27 – 2027-02-27 |
| 049 | British Airways | LHR | SEA | 14:55 | 17:50 | 9h 55m | Mon, Sun | 2027-03-14 – 2027-03-22 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Sun | 2026-11-01 – 2026-11-01 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Tue, Wed, Thu, Fri, Sat | 2026-12-12 – 2026-12-31 |
| 053 | British Airways | LHR | SEA | 09:25 | 12:25 | 10h 0m | Tue, Thu, Sat | 2027-03-16 – 2027-03-27 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Tue, Wed, Thu, Fri, Sat | 2026-11-11 – 2026-12-10 |
| 21 | Delta Air Lines | LHR | SEA | 12:20 | 15:54 | 10h 34m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-10-25 – 2026-10-31 |
| 049 | British Airways | LHR | SEA | 14:55 | 17:50 | 9h 55m | Tue, Wed, Thu, Fri, Sat | 2027-03-16 – 2027-03-27 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Tue, Wed, Fri | 2027-01-15 – 2027-01-20 |
| 053 | British Airways | LHR | SEA | 09:25 | 11:25 | 10h 0m | Thu, Sat | 2027-01-14 – 2027-01-30 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Sun | 2026-12-13 – 2026-12-13 |
| 053 | British Airways | LHR | SEA | 09:50 | 11:35 | 9h 45m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-03-28 – 2027-10-30 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Tue, Thu | 2026-11-05 – 2026-11-10 |
| 105 | Virgin Atlantic Airways | LHR | SEA | 10:50 | 13:10 | 10h 20m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-03-28 – 2027-10-30 |
| 21 | Delta Air Lines | LHR | SEA | 12:20 | 14:45 | 10h 25m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-01-01 – 2027-02-28 |
| 101 | Alaska Airlines | LHR | SEA | 14:45 | 17:50 | 10h 5m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-03-14 – 2027-03-27 |
| 053 | British Airways | LHR | SEA | 09:25 | 12:25 | 10h 0m | Tue, Thu, Sat | 2026-10-27 – 2026-10-31 |
| 049 | British Airways | LHR | SEA | 14:55 | 17:50 | 9h 55m | Sun | 2026-10-25 – 2026-10-25 |
| 101 | Alaska Airlines | LHR | SEA | 14:45 | 17:00 | 10h 15m | Mon, Fri, Sat, Sun | 2027-01-01 – 2027-01-04 |
| 049 | British Airways | LHR | SEA | 16:30 | 18:25 | 9h 55m | Tue, Wed, Thu, Fri, Sat | 2027-03-30 – 2027-10-30 |
| 049 | British Airways | LHR | SEA | 16:30 | 18:25 | 9h 55m | Mon, Sun | 2027-03-28 – 2027-10-25 |
| 101 | Alaska Airlines | LHR | SEA | 14:45 | 17:00 | 10h 15m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-11-01 – 2026-12-31 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Mon, Sun | 2026-12-14 – 2026-12-28 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:50 | 9h 55m | Sun | 2026-11-15 – 2026-11-15 |
Flights departing LON London for SEA Seattle-Tacoma
LON
London
✈
SEA
Seattle-Tacoma
The distance between LON and SEA is 7,699km and the minimum flight time is 9hrs 45min.
Airlines & Schedules
British Airways
Runs all year
October 2026
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Delta Air Lines
Runs all year
October 2026
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Alaska Airlines
Runs all year
October 2026
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Virgin Atlantic Airways
Starts in March
March 2027
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Destination Guides
No guides available... yet!
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