Can I combine different airlines on the same trip?

Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.

Is lastminute.com a trustworthy travel brand?

In 1998, lastminute.com was one of the first online travel agencies. Currently, we are selling over 380,000 flights per year – and working hard on bringing travellers wherever they want to go.

What options are there if I have to change my flight?

lastminute.com offers flexibility services for purchase at the time of your booking. These services entitle you to change or cancel your flights without handling fee.**Flexibility services are available on selected flights only. Please read our T&Cs for more information.

I am afraid to lose my luggage, every time I fly. What can I do?

lastminute.com offers a range of baggage protection services, so that you are covered in case your luggage is delayed or lost.****Baggage protection services are available on selected flights only. Please read our T&Cs for more information.

How long does a flight take between London and Seattle?

The flight from London to Seattle has a duration of 11h 29m.

What are the cheapest flights from London to Seattle?

The cheapest one-way flight costs £928 flying with Virgin Atlantic Airways and the cheapest return flight costs £593 with Virgin Atlantic Airways.

How many airports are there in the city of London?

London has 3 airport: LON - All airports, London Heathrow Airport, Gatwick.

How many airports does Seattle have?

There are 1 airports in Seattle: Sea-Tac Airport

Which Seattle airport is the most central?

The most central airport is Sea-Tac Airport, 18.2km.

Which airlines have flights from London to Seattle?

There are 2 airlines with flights from London to Seattle; Those that offer lower prices are Virgin Atlantic Airways (£914), Aer Lingus (£1,453), British Airways (£1,388).

Schedules of the first and last flight from London to Seattle

The first flight from London to Seattle is at 11:10 and the last flight departs at 20:42.

Cheap flights from London to Seattle

Fly smart, spend less

Flights to Seattle from London

Cheap flights from London to Seattle from £928. London (United Kingdom) - Seattle (United States) return flights from £593. From 20/06/2026 (Saturday) - 25/06/2026 (Thursday). Check for the dates with the lowest prices and find the cheapest rates.

Direct flights from London to Seattle

Book direct flights from London to Seattle for a smooth journey.

27 Jul - 30 Jul • 3 nights

11:40LHR

10h 20mDirect

14:00SEA

Virgin Atlantic Airways

21:50SEA

9h 45mDirect

15:35LHR

Virgin Atlantic Airways

from£2,398

21 Jun - 30 Jun • 9 nights

11:40LHR

10h 20mDirect

14:00SEA

Virgin Atlantic Airways

22:05SEA

9h 30mDirect

15:35LHR

Virgin Atlantic Airways

from£2,457

Explore all offers

Flights from London to Seattle one way

Find one-way flights from London to Seattle at great prices.

31 Aug

31 Aug

14 Aug

19 Aug

14 Aug

20 Jun

Cheapest flights from London to Seattle

Get the cheapest flights from London to Seattle today.

21 Jun - 30 Jun • 9 nights

19:45LHR

23h 30m1 stop

11:15SEA

Virgin Atlantic Airways

13:30SEA

13h 30m1 stop

11:00LHR

Virgin Atlantic Airways

from£1,826

27 Jul - 30 Jul • 3 nights

06:15LHR

24h 18m2 stops

22:33SEA

Virgin Atlantic Airways

09:45SEA

13h 25m1 stop

07:10LHR

Virgin Atlantic Airways

from£2,126

27 Jul - 30 Jul • 3 nights

10:00LCY

14h 20m1 stop

16:20SEA

Virgin Atlantic Airways

20:10SEA

9h 50mDirect

14:00LCY

Virgin Atlantic Airways

from£2,393

21 Jun - 30 Jun • 9 nights

Cheap flights from London Heathrow Airport to Seattle

Find cheap flights from London Heathrow Airport to Seattle now.

21 Jun - 30 Jun • 9 nights

19:45LHR

23h 30m1 stop

11:15SEA

Virgin Atlantic Airways

13:30SEA

13h 30m1 stop

11:00LHR

Virgin Atlantic Airways

from£1,826

27 Jul - 30 Jul • 3 nights

06:15LHR

24h 18m2 stops

22:33SEA

Virgin Atlantic Airways

09:45SEA

13h 25m1 stop

07:10LHR

Virgin Atlantic Airways

from£2,126

Explore all offers

British Airways flights from London to Seattle

Fly with British Airways from London to Seattle for less.

27 Jul - 30 Jul • 3 nights

21 Jun - 30 Jun • 9 nights

London to Seattle flight information

DEPARTING FROM:

LON - All airports, London Heathrow Airport, Gatwick

ARRIVING IN:

Sea-Tac Airport

AIRLINES:

British Airways, Delta Air Lines

AVG FLIGHT TIME:

11h 29m

More information about flights to Seattle from London

Information about flights from London to Seattle

As well as your flight from London to Seattle , guess what, it’s also really easy with lastminute.com to have a car waiting for you when you arrive as well as accommodation in Seattle.

lastminute.com selects from hundreds of flight deals London-Seattle some of the best deals that month to save you time. Why not take advantage of the monthly flight offers and book now.

Hi and welcome to your perfect solution to finding low cost flights in just a few clicks! When searching for a low cost flight from London to Seattle , all you have to do is complete the search form and in no time you will be flying off to Seattle.

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What could be easier than using lastminute.com as your one stop travel shop? With all the services you find on lastminute.com, it’s more than just flights, you can book all the travel requirements for you trips right here.

FAQs London to Seattle flights

FAQs

Of course. We offer you the possibility of booking with more than 400 airlines so that you can find the cheapest fare or the most convenient combination: outbound flight with one airline and return flight with another.

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