How long is the flight from Seattle to London?

The flight from Seattle (SEA) to London (LHR) takes about 8h 6m nonstop on a widebody airliner, based on the 4,159 nautical mile great-circle distance. Published airline schedules add taxi and buffer time.

How far is it from Seattle to London?

It is 4,786 miles (7,702 km, or 4,159 nautical miles) in a straight line.

FlightBeat / Flight time / SEA to LHR

Flight time

Flight time from Seattle to London

SEA → LHR · Seattle-Tacoma International Airport to London Heathrow Airport

The flight from Seattle (SEA) to London (LHR) takes about 8h 6m nonstop on a widebody airliner, covering 4,786 miles (7,702 km).

4,786

miles

7,702

kilometers

+8h

time change

northbound

How the aircraft compares

Regional jetEmbraer E175, CRJ

Beyond range

NarrowbodyBoeing 737, Airbus A320

Beyond range

WidebodyBoeing 787, A350, 777

8h 6m

When will you arrive?

London is 8 hours ahead of Seattle. You cross 8 time zones heading east. Eastbound trips like this one tend to be harder to adjust to, so plan for a day or two of jet lag.

See your exact arrival time

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Common questions

How long is the flight from Seattle to London?: About 8h 6m nonstop on a widebody airliner. Airlines add taxi and buffer time to the schedule.
How far is it?: 4,786 miles, or 7,702 km (4,159 nautical miles) in a straight line.
What is the time difference?: London is 8 hours ahead of Seattle.

Flight time from Seattle to London

How the aircraft compares

When will you arrive?

Plan the trip

Common questions

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