Route Details
| Flight | Airline | From | To | Departure | Arrival | Duration | Days | Effective |
|---|---|---|---|---|---|---|---|---|
| 049 | British Airways | LHR | SEA | 16:30 | 18:25 | 9h 55m | Tue, Wed, Thu, Fri, Sat | 2026-09-01 – 2026-09-30 |
| 053 | British Airways | LHR | SEA | 09:25 | 11:30 | 10h 5m | Tue, Thu, Sat | 2026-11-03 – 2026-12-31 |
| 049 | British Airways | LHR | SEA | 16:30 | 18:25 | 9h 55m | Mon, Sun | 2026-03-29 – 2026-08-31 |
| 105 | Virgin Atlantic Airways | LHR | SEA | 10:00 | 13:05 | 10h 5m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-03-14 – 2027-03-27 |
| 053 | British Airways | LHR | SEA | 09:50 | 11:35 | 9h 45m | Tue, Sun | 2026-04-14 – 2026-10-20 |
| 21 | Delta Air Lines | LHR | SEA | 18:30 | 20:42 | 10h 12m | Sun | 2026-06-07 – 2026-07-26 |
| 21 | Delta Air Lines | LHR | SEA | 18:30 | 20:46 | 10h 16m | Sun | 2026-08-02 – 2026-08-30 |
| 049 | British Airways | LHR | SEA | 14:55 | 17:55 | 10h 0m | Mon, Sun | 2026-10-25 – 2026-10-26 |
| 049 | British Airways | LHR | SEA | 14:55 | 17:55 | 10h 0m | Tue, Wed, Thu, Fri, Sat | 2026-10-27 – 2026-10-31 |
| 053 | British Airways | LHR | SEA | 09:25 | 12:30 | 10h 5m | Tue, Sat | 2027-03-16 – 2027-03-27 |
| 101 | Alaska Airlines | LHR | SEA | 14:45 | 16:50 | 10h 5m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-11-01 – 2026-12-31 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:55 | 10h 0m | Tue, Wed, Thu, Fri, Sat | 2026-11-03 – 2026-12-31 |
| 21 | Delta Air Lines | LHR | SEA | 12:20 | 15:50 | 10h 30m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-10-25 – 2026-10-31 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:55 | 10h 0m | Mon, Sun | 2027-01-03 – 2027-03-08 |
| 053 | British Airways | LHR | SEA | 09:25 | 12:30 | 10h 5m | Thu | 2026-10-29 – 2026-10-29 |
| 101 | Alaska Airlines | LHR | SEA | 17:00 | 18:55 | 9h 55m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-08-19 – 2026-10-24 |
| 053 | British Airways | LHR | SEA | 09:50 | 11:35 | 9h 45m | Mon, Sun | 2026-04-06 – 2026-04-12 |
| 053 | British Airways | LHR | SEA | 09:25 | 12:30 | 10h 5m | Thu | 2027-03-18 – 2027-03-25 |
| 21 | Delta Air Lines | LHR | SEA | 17:45 | 20:11 | 10h 26m | Mon, Tue, Wed, Thu, Fri, Sat | 2026-05-01 – 2026-05-30 |
| 21 | Delta Air Lines | LHR | SEA | 18:30 | 20:55 | 10h 25m | Sun | 2026-10-04 – 2026-10-18 |
| 053 | British Airways | LHR | SEA | 09:50 | 11:35 | 9h 45m | Mon, Wed, Thu, Fri | 2026-04-10 – 2026-04-17 |
| 049 | British Airways | LHR | SEA | 16:30 | 18:25 | 9h 55m | Mon, Sun | 2026-09-06 – 2026-09-28 |
| 053 | British Airways | LHR | SEA | 09:50 | 11:35 | 9h 45m | Mon, Wed, Thu, Fri, Sat | 2026-04-18 – 2026-10-24 |
| 049 | British Airways | LHR | SEA | 16:30 | 18:25 | 9h 55m | Mon, Sun | 2026-10-04 – 2026-10-19 |
| 21 | Delta Air Lines | LHR | SEA | 17:45 | 20:14 | 10h 29m | Mon, Tue, Wed, Thu, Fri, Sat | 2026-10-01 – 2026-10-24 |
| 101 | Alaska Airlines | LHR | SEA | 14:45 | 17:50 | 10h 5m | Mon, Tue, Sun | 2027-03-14 – 2027-03-16 |
| 21 | Delta Air Lines | LHR | SEA | 17:45 | 20:13 | 10h 28m | Mon, Tue, Wed, Thu, Fri, Sat | 2026-09-01 – 2026-09-30 |
| 049 | British Airways | LHR | SEA | 14:55 | 17:55 | 10h 0m | Mon, Sun | 2027-03-14 – 2027-03-22 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:55 | 10h 0m | Tue, Wed, Thu, Fri, Sat | 2027-01-01 – 2027-03-13 |
| 105 | Virgin Atlantic Airways | LHR | SEA | 10:00 | 13:05 | 10h 5m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-10-25 – 2026-10-31 |
| 101 | Alaska Airlines | LHR | SEA | 17:00 | 18:45 | 9h 45m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-06-11 – 2026-08-18 |
| 21 | Delta Air Lines | LHR | SEA | 12:20 | 14:45 | 10h 25m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-01-01 – 2027-04-23 |
| 21 | Delta Air Lines | LHR | SEA | 18:30 | 20:53 | 10h 23m | Sun | 2026-05-03 – 2026-05-31 |
| 101 | Alaska Airlines | LHR | SEA | 14:45 | 16:50 | 10h 5m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-01-01 – 2027-03-13 |
| 049 | British Airways | LHR | SEA | 14:55 | 16:55 | 10h 0m | Mon, Sun | 2026-11-01 – 2026-12-28 |
| 105 | Virgin Atlantic Airways | LHR | SEA | 10:00 | 12:05 | 10h 5m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2027-01-10 – 2027-03-13 |
| 105 | Virgin Atlantic Airways | LHR | SEA | 10:00 | 12:05 | 10h 5m | Tue, Wed, Thu, Sat | 2027-01-02 – 2027-01-09 |
| 101 | Alaska Airlines | LHR | SEA | 14:45 | 17:50 | 10h 5m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-10-25 – 2026-10-31 |
| 101 | Alaska Airlines | LHR | SEA | 17:00 | 18:50 | 9h 50m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-05-22 – 2026-06-10 |
| 053 | British Airways | LHR | SEA | 09:25 | 12:30 | 10h 5m | Tue, Sat | 2026-10-27 – 2026-10-31 |
| 105 | Virgin Atlantic Airways | LHR | SEA | 11:40 | 14:00 | 10h 20m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-03-29 – 2026-10-24 |
| 053 | British Airways | LHR | SEA | 09:25 | 11:30 | 10h 5m | Tue, Thu, Sat | 2027-01-02 – 2027-03-13 |
| 105 | Virgin Atlantic Airways | LHR | SEA | 10:00 | 12:05 | 10h 5m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-11-01 – 2026-12-23 |
| 053 | British Airways | LHR | SEA | 09:50 | 11:35 | 9h 45m | Wed | 2026-04-01 – 2026-04-08 |
| 21 | Delta Air Lines | LHR | SEA | 17:45 | 20:03 | 10h 18m | Mon, Tue, Wed, Thu, Fri, Sat | 2026-07-01 – 2026-08-31 |
| 053 | British Airways | LHR | SEA | 09:50 | 11:35 | 9h 45m | Mon | 2026-03-30 – 2026-03-30 |
| 21 | Delta Air Lines | LHR | SEA | 18:30 | 20:46 | 10h 16m | Sun | 2026-03-29 – 2026-04-26 |
| 105 | Virgin Atlantic Airways | LHR | SEA | 10:00 | 12:05 | 10h 5m | Fri | 2027-01-01 – 2027-01-01 |
| 105 | Virgin Atlantic Airways | LHR | SEA | 10:25 | 13:00 | 10h 35m | Mon, Fri, Sun | 2027-01-03 – 2027-01-08 |
| 21 | Delta Air Lines | LHR | SEA | 17:45 | 20:01 | 10h 16m | Mon, Tue, Wed, Thu, Fri, Sat | 2026-06-01 – 2026-06-30 |
| 21 | Delta Air Lines | LHR | SEA | 18:30 | 20:53 | 10h 23m | Sun | 2026-09-06 – 2026-09-27 |
| 21 | Delta Air Lines | LHR | SEA | 12:20 | 14:45 | 10h 25m | Mon, Tue, Wed, Thu, Fri, Sat, Sun | 2026-11-01 – 2026-12-31 |
| 21 | Delta Air Lines | LHR | SEA | 17:45 | 20:04 | 10h 19m | Mon, Tue, Wed, Thu, Fri, Sat | 2026-03-30 – 2026-04-30 |
| 049 | British Airways | LHR | SEA | 16:30 | 18:25 | 9h 55m | Tue, Wed, Thu, Fri, Sat | 2026-10-01 – 2026-10-24 |
| 049 | British Airways | LHR | SEA | 14:55 | 17:55 | 10h 0m | Tue, Wed, Thu, Fri, Sat | 2027-03-16 – 2027-03-27 |
| 049 | British Airways | LHR | SEA | 16:30 | 18:25 | 9h 55m | Tue, Wed, Thu, Fri, Sat | 2026-03-31 – 2026-08-29 |
| 105 | Virgin Atlantic Airways | LHR | SEA | 10:00 | 12:05 | 10h 5m | Mon, Tue, Wed, Thu, Fri, Sun | 2026-12-25 – 2026-12-31 |
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
March 2026
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Delta Air Lines
Runs all year
March 2026
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Virgin Atlantic Airways
Runs all year
March 2026
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Alaska Airlines
Starts in May
May 2026
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Destination Guides
No guides available... yet!
We don't have a destination guide for Seattle-Tacoma International Apt yet. Request one and we'll let you know when it's ready.
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