London Heathrow Airport to Seattle Flight Duration

Find flight duration times from London Heathrow Airport to Seattle, compare live flight prices and book your tickets.

What is the flight duration from London Heathrow Airport to Seattle?
London Heathrow Airport
Depart
Arrive
Seattle

Average flight time is 9 hours 50 minutes

The fastest flight time from London Heathrow Airport to Seattle is 9 hours 40 minutes

London Heathrow Airport to Seattle flight duration breakdown

Average flight duration 9 hours 50 minutes
Shortest flight duration 9 hours 40 minutes
Longest flight duration 9 hours 55 minutes
The average flight time from London Heathrow Airport to Seattle is 9 hours 50 minutes. However, the duration of flights can differ depending on weather conditions, flight path and congestion in the air. This means individual flight times can be quicker, but on occasion, they can also be longer.

The distance from London Heathrow Airport to Seattle is 4,777 miles / 7,688 km

London airports

London has 5 airports: London Heathrow Airport (LHR), London City Airport (LCY), London Gatwick Airport (LGW), London Luton Airport (LTN) and London Stansted Airport (STN).

If you don't fancy flying from London there are a number of airports nearby that fly to Seattle: London Southend Airport (SEN), Southampton Airport (SOU), Cambridge Airport (CBG), Bournemouth Airport (BOH) and Birmingham Airport (BHX).

Seattle airports

Seattle has 2 airports: Seattle Boeing Field (BFI) and Seattle Tacoma International Airport (SEA).

If you don't fancy flying from Seattle there are a number of airports nearby that fly to London: Everett Paine Field (PAE), Bellingham International Airport (BLI), Portland International Airport (PDX), Pasco Tri-Cities Airport (PSC), Spokane International Airport (GEG), Redmond Municipal Airport (RDM) and Eugene Airport (EUG).

London & Seattle local times and timezones

London
GMT +00:00
PST -08:00
Seattle
London, United Kingdom is 8 hours ahead of Seattle, United States

Before you travel to Seattle

Make sure you get the cheapest travel money rates, or choose a prepaid travel card for your trip.
If you regularly send money overseas, take a look at our international money transfer comparison to see if you could save on your transfers.

London Heathrow Airport to Seattle FAQs

How long does it take to fly from London Heathrow Airport to Seattle?

On average, the flight time from London Heathrow Airport to Seattle is 9 hours 50 minutes. But remember, flight times can vary slightly depending on weather conditions, flight path and congestion in the air.

This means that your flight from London Heathrow Airport to Seattle could be longer or shorter than the average flight time.

What is the distance between London Heathrow Airport and Seattle?

The distance between London Heathrow Airport and Seattle is 4,777 miles or 7,688 km.

What is the shortest flight duration from London Heathrow Airport to Seattle?

The shortest flight time from London Heathrow Airport to Seattle is 9 hours 40 minutes. However, flight times can vary depending on weather conditions, air congestion and flight path, so this time is never guaranteed.

Can I fly from London to Seattle?

The average flight time from London Heathrow Airport to Seattle is 9 hours 50 minutes. Nearby airports to consider flying from include: London Heathrow Airport (LHR), London City Airport (LCY), London Gatwick Airport (LGW), London Luton Airport (LTN) and London Stansted Airport (STN). Check ticket prices and review carrier requirements carefully before booking your trip.

What is the timezone difference between London and Seattle?

The time zone difference between London and Seattle is 8 hours.