Route guide · Business Class
Business Class Seattle to London
Business Class from Seattle to London Heathrow, one-way or return. British Airways, Delta and Alaska Airlines fly it nonstop year-round, and Virgin Atlantic adds a seasonal flight.
Nonstop Business Class
Who flies Seattle to London nonstop
Nonstop flights from Seattle-Tacoma (SEA) to London Heathrow. Every airline below sells Business Class; the seat depends on the aircraft, and we tell you which one you are getting. Seasonal flights do not run all year; we check whether yours is operating on your date.
- British AirwaysSeattle-Tacoma to Heathrow. Club, British Airways’ Business Class.
- Delta Air LinesSeattle-Tacoma to Heathrow. Delta One.
- Alaska AirlinesSeattle-Tacoma to Heathrow, year-round. Alaska’s lie-flat international Business Class suites, on its 787.
- Virgin AtlanticSeattle-Tacoma to Heathrow, seasonal (summer). Upper Class, Virgin’s Business Class.
One-way, last-minute, midweek
How we book Seattle to London
Seattle has more nonstop choice to London than it used to: Alaska Airlines now flies its own 787 to Heathrow, alongside British Airways and Delta, and Virgin Atlantic flies in summer. Alaska is a oneworld airline like British Airways, which can help if you collect miles there.
One-way Business Class
We price one-way Business Class on its own, not as half a return, and compare British Airways, Delta, Alaska Airlines and Virgin Atlantic for your date, plus one-stop options.
Last-minute and next-day
Flying in a few days, or tomorrow? We check every option from Seattle for your date, including seats that only show for a small group, and tell you plainly which flight we would take.
Midweek trips
Out on a Monday, back on a Thursday? We price the outbound and return separately as well as together, so a short midweek trip to London is not forced into one airline's return fare.
Groups of four or more
Booking for a team? We check that every seat sits in the same fare on the same flight, and split a group across two flights only when you agree to it.
First Class
First Class from Seattle
British Airways sells First on some of its US flights to Heathrow; whether the Seattle flight has a First cabin depends on the aircraft on your date. If it does not, we can route you through a city where it does. Choose First in the quote box and we will check.
FAQ
Seattle to London, answered.
Which airlines fly nonstop from Seattle to London in Business Class?
British Airways, Delta, Alaska Airlines and Virgin Atlantic (seasonal) fly nonstop from Seattle-Tacoma (SEA) to Heathrow in Business Class.
Can I book a one-way Business Class ticket from Seattle to London?
Yes. We price one-way Business Class from Seattle to London on its own, not as half a return, and compare every nonstop and one-stop option for your date.
Which London airport do flights from Seattle use?
Heathrow (LHR). Every nonstop from Seattle to London lands at Heathrow, the best-connected London airport for onward flights.
Is there First Class from Seattle to London?
British Airways sells First on some of its US flights to Heathrow, depending on the aircraft. We check whether your flight from Seattle has a First cabin on your date.
How last-minute can I book Seattle to London?
Up to the day of departure, subject to seats. With 4 nonstop airlines from Seattle, we compare all of them, plus one-stop options, for a seat tomorrow.
Airlines on this route
More US to London routes
See all US to London routes, our Business Class Europe & USA FAQ, last-minute Business Class to London, midweek Business Class, same-day & next-day flights.
Airline, cabin and lounge names are trademarks of their respective owners. The Travel Executives is an independent travel company, not an agent of or affiliated with any airline. Routes, seasons, cabins and aircraft vary by date and can change; we confirm the details for your flight when we book.
Seattle to London
Tell us your dates and we will find your seat.
Business Class first, First Class on request. One-way or return. 24/7 from New York & London: +1 212-729-4367.