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Cheap flights from Seattle to London

from £390

Seattle to London Flight Information

Return flight price

Thu 10 Dec - Mon 14 Dec



One-way flight price

from £159

Flights Departing from

  • Seattle

Flights arriving in

Airlines flying to this destination

British Airways, Delta Air Lines

From airport Gatwick to city centre

25.48 miles

Flight distance

4785.63 miles

Check out our best offers departing from Seattle among more than 400 airlines now!

Use the search-box to select your departure city or airport and get the best prices. Please, note these prices below are 'from'.

Information about flights from Seattle to London

Cheap flights Seattle - London

When you’re looking to get away and not interested in a precise date, take a look at our flight offers this month. Flight deals from Seattle to London are great time of year. Be inspired!

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 Seattle to London, all you have to do is complete the search form and in no time you will be flying off to London.

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

Why limit yourself to the desktop travel website services – download our iPhone and Android App and get full use of all the services even whilst you’re on holiday.

Low cost flights to London from Seattle are not always easy to find. wants to make it easy for you to find a inexpensive option, so with us you can even choose flights with different airlines and save money on your next trip.

Maybe you are interested in Cheap flights to Seattle or search Cheap flights from London to Seattle Nows your chance!

Flexible on when you visit?

Flight offers London in October

12/10/2020 - 18/10/2020 19/10/2020 - 25/10/2020 26/10/2020 - 01/11/2020
Seattle - Gatwick
from £639
3d ago
from £576
10d ago
from £664
9d ago

Flight offers to London for next weekend

16/10/2020 - 18/10/2020 23/10/2020 - 25/10/2020 30/10/2020 - 01/11/2020
Seattle - Gatwick
from £4,858
6d ago

Cheap flights from United Kingdom cities to London

Cheap flights from outside of United Kingdom to London

Frequently asked questions

How do I buy tickets from different airlines at once and save money?

Our system combines airlines automatically to find the cheapest flights available. That way you can save money and don't have to buy your tickets separately.

Is a trustworthy travel brand?

In 1998, 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 should I do if I have to change my flight? 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? 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 from Seattle to London take?

The average flight time from Seattle to London is about 9 hours, 41 minutes.

Which is the cheapest available flight from Seattle to London?

Norwegian offers one-way flights starting from £207.50. Round-trips with Norwegian start from £332.48.

When can I get the best deals for flights from Seattle to London?

If you book a flight from Seattle to London 3 months in advance, it is 34.38% cheaper than booking one week in advance. Booking within the last month before departure will save you 37.81% compared to booking one week in advance.

Which is the cheapest month for flights from London to Seattle?

The cheapest flights from Seattle to London are available in April.

What's the distance between London and Seattle?

Between London and Seattle lie approximately 7,702 miles.

Which airports does Seattle have?

There are 2 airports in Seattle: Seattle Boeing Field and Seattle.

Which airports does London have?

There are 7 airports in London: London, Gatwick, Heathrow, London City, Southend, Luton and Stansted.

Which airport is the closest to London's city centre?

London City is 12 miles from the city center while London is 22 miles away

How much is a taxi in London? How much is it in Seattle?

In London, a taxi ride costs about £5.00, in Seattle it costs about £2.00.

How much is public transport in London and Seattle?

A single ticket in London costs at least of £2.00. In Seattle, it is at least £2.00.

How many flights are there per week from Seattle to London?

According to our booking data, there are 69 flights per week on this route.

Which airlines fly from Seattle to London?

Flights from Seattle to London are operated by 13 airlines. Norwegian (£332.48), Icelandair (£369.74) and British Airways (£400.41) have the cheapest fares.

When are flights from London to Seattle most expensive?

Flights are most expensive in August.

Cost of living in Seattle compared with London

Food and drinks Seattle London Difference
Beer (0.5 litre) £2.00 £2.00 0%
Coffee £3.00 £3.00 0%
Meal at McDonald's £7.00 £6.00 -14%
Water (0.33 litre) £1.00 £1.00 0%
Transportation Seattle London Difference
Monthly pass £82.00 £150.00 +83%
One way tube ticket £2.00 £2.00 0%
Taxi starting price (normal tariff) £2.00 £5.00 +150%
Clothing Seattle London Difference
1 summer dress in a chain store (Zara, H&M,...) £34.00 £32.00 -6%
1 pair of jeans (Levi's 501 or similar) £41.00 £67.00 +63%
Salaries Seattle London Difference
Average monthly disposable salary (net) £4,275.00 £2,325.00 -46%

London airports map

Weather forecast for London

  • Thursday 1
    Max 16  ºC
    Min 12  ºC
  • Friday 2
    Max 13  ºC
    Min 6  ºC
  • Saturday 3
    Max 16  ºC
    Min 4  ºC
  • Sunday 4
    Max 16  ºC
    Min 11  ºC
  • Monday 5
    Max 15  ºC
    Min 12  ºC