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Premium fares to London

Business Class Flights from Seattle (SEA) to London (LHR)


From / Private Deal
$2,025 *
round-trip, per person

Airlines flying Seattle to London

Several full-service carriers operate nonstop business class service between Seattle and London, offering lie-flat seating, direct aisle access, and premium dining on the overnight crossing. Lounge access at both ends adds a comfortable buffer before an early London arrival.

More premium routes from Seattle

Explore other premium-cabin fares to the UK departing Seattle. Each card shows the discounted business class price against the standard published fare.

Seattle to London.
Quick Route Facts

The things to know before you go
Flight Distance
4,780 miles
Avg. Flight Duration
9 to 10 hours
8 hours timezone difference
  • Yes
    Nonstop Options
  • SEA
    Main Departure Airports
  • LHR, LGW
    Main Arrival Airports

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Book Business Class Flights from Seattle (SEA) to London (LHR)

The Seattle to London corridor covers roughly 4,780 miles, with flights typically running 9 to 10 hours and a 8-hour time difference between origin and destination. Most nonstop departures leave Seattle in the evening and land in London the next morning, timed for a same-day start to a European itinerary. 

Premium-cabin service across this corridor is well established. Lie-flat seating with direct aisle access is standard in business class. London's standing as a major global gateway keeps this corridor well served, with easy onward connections across Europe after landing. 

Booking through Business-Class.com gives you access to negotiated premium-cabin fares plus a single point of contact for changes, schedule adjustments, and onward routing. Flexible date options are available where the fare allows. London rewards even a short stay with centuries of history set against a fast-moving global capital.

Seattle to London business class flights — frequently asked questions

More answers can be found on the dedicated FAQ page
How long is a business class flight from Seattle to London?
The nonstop flight from Seattle to London typically takes between 9 and 10 hours, depending on the season, winds, and specific routing. The return trip westbound often runs a bit longer.
Are there nonstop business class flights from Seattle to London?
Yes. Several carriers operate nonstop business class service between Seattle and London. Connecting itineraries through other US or European hubs are also available if your schedule calls for it.
What is the time difference between Seattle and London?
London runs eight hours ahead of Seattle for most of the year, since both regions observe daylight saving time on a similar schedule. The gap can briefly narrow or widen by an hour around the clock changes.
How much can I save booking business class through Business-Class.com?
Savings on the Seattle to London corridor commonly range from 15 to 60 percent against the published business class fare for the same cabin, depending on travel dates and how far ahead you book.
Are Seattle to London business class flights usually overnight?
Yes. Many eastbound departures leave Seattle in the evening and arrive in London the following day, so a lie-flat seat can make a meaningful difference on this route.
What should I compare between nonstop business class flights from Seattle to London?
Check the aircraft type, seat layout, departure time, and London arrival airport before booking. Even on the same route, the business class experience and ground transfer after landing can vary.

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