Flights London to Seattle LHR to SEA
Flights from London (LHR) to Seattle (SEA): 4 airlines operate 6 flight numbers on this route, about 13 flights a week, distance 7701 km / 4785 miles. The next departure is DL21 (Delta Air Lines) on Sat, Nov 14 at 12:20 GMT.
- 13 flights a week
- 4 airlines
- 6 flight numbers
- 7701 km 4785 miles
- 9 h 40 min typical flight time
- 10/13 recent flights on time
Airlines and flight numbers count operating flights from a year ago to a year ahead; code-share numbers are not counted. On time means landed less than 15 minutes late.
London to Seattle Flights
6 flight numbers from LHR to SEA, with the date each last flew. Local times: LHR GMT, SEA PST.
| Flight | Airline | Last seen | Departure | Arrival |
|---|---|---|---|---|
 | British Airways | Nov 14, 2026 | 14:55 | 16:50 |
 | Alaska Airlines | Nov 14, 2026 | 14:45 | 17:00 |
 | Delta Air Lines | Nov 14, 2026 | 12:20 | 14:50 |
| | British Airways | Nov 14, 2026 | 09:25 | 11:25 |
 | Virgin Atlantic Airways | Oct 24, 2026 | 11:40 | 14:00 |
| | Delta Air Lines | Oct 23, 2026 | 18:00 | 20:16 |
Upcoming flights
Local times at the departure airport.| Flight | From | To | Scheduled Time | Departure | Status | Details |
|---|---|---|---|---|---|---|
| DL21 | London LHR | Seattle SEA | 12:20 | Scheduled | Track > | |
| AS101 | London LHR | Seattle SEA | 14:45 | Scheduled | Track > | |
| BA49 | London LHR | Seattle SEA | 14:55 | Scheduled | Track > |
Recent flights
Local times at the departure airport.| Flight | From | To | Date | Scheduled Time | Departure | Status | Details |
|---|---|---|---|---|---|---|---|
| BA53 | London LHR | Seattle SEA | Nov 14 | 09:25 | 10:10 | En-Route | Track > |
| BA49 | London LHR | Seattle SEA | Nov 13 | 14:55 | 16:03 | Landed Late | Track > |
| AS101 | London LHR | Seattle SEA | Nov 13 | 14:45 | 15:08 | Landed | Track > |
| DL21 | London LHR | Seattle SEA | Nov 13 | 12:20 | 12:51 | Landed | Track > |
| BA49 | London LHR | Seattle SEA | Nov 12 | 14:55 | 15:38 | Landed Late | Track > |
| AS101 | London LHR | Seattle SEA | Nov 12 | 14:45 | 15:29 | Landed Late | Track > |
| DL21 | London LHR | Seattle SEA | Nov 12 | 12:20 | 12:38 | Landed | Track > |
| BA53 | London LHR | Seattle SEA | Nov 12 | 09:25 | 09:46 | Landed | Track > |
| BA49 | London LHR | Seattle SEA | Nov 11 | 14:55 | 16:02 | Delayed | Track > |
| AS101 | London LHR | Seattle SEA | Nov 11 | 14:45 | 15:14 | Landed | Track > |
| DL21 | London LHR | Seattle SEA | Nov 11 | 12:20 | 12:36 | Landed | Track > |
| BA49 | London LHR | Seattle SEA | Nov 10 | 14:55 | 15:33 | Landed | Track > |
| AS101 | London LHR | Seattle SEA | Nov 10 | 14:45 | 15:31 | Landed | Track > |
| DL21 | London LHR | Seattle SEA | Nov 10 | 12:20 | 12:54 | Landed | Track > |
| BA53 | London LHR | Seattle SEA | Nov 10 | 09:25 | 09:46 | Landed | Track > |
On this route now
flights between LHR and SEA are in the air right now (live map).
Airlines flying LHR to SEA
LHR to SEA FAQ
- How long is the flight from London to Seattle?
- About 9 h 40 min: that is the median flight time of the last 13 flights that landed; the timetable allows 10 h 15 min.
- Which airlines fly from London to Seattle?
- British Airways, Delta Air Lines, Alaska Airlines and Virgin Atlantic Airways have flights from London (LHR) to Seattle (SEA) between a year ago and a year ahead. An airline listed may not fly the route every day.
- How many flights a week go from London to Seattle?
- About 13 flights a week, counted over the two weeks before and after today. Only operating flights are counted, not code-share numbers.
- Are flights from London to Seattle on time?
- 10 of the last 13 flights that landed arrived less than 15 minutes after their scheduled time.
- How far is London from Seattle?
- 7701 km (4785 miles) in a straight line between London Heathrow Airport and Seattle Tacoma International Airport.