Cheap flights from Seattle to London

Seattle to London Flight Information

Return flight price

Wed 19 Apr - Wed 26 Apr



One-way flight price

from £559

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

Information about flights from Seattle to London

Cheap flights Seattle - London

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.

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!

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Explore the additional services available on even once you have booked your flight Seattle-London. On, as well as your flight Seattle-London, you can also book car hire, ready for you on arrival in London. If you want to stay in London, our website has also created a way for you to book a hotel room in London with no fuss.

Welcome to the travel website! You have arrived in the right place if you are looking for a low cost flight Seattle-London. Complete the form on the flight search engine correctly, and we are sure to have what you are looking for.

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Cheap flights from United Kingdom cities to London

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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?

The cheapest one-way flight is £207.50 and offered by Norwegian. The cheapest round-trip is £332.48 with Norwegian.

When should I book my flight from Seattle to London?

Booking a flight from Seattle to London 3 months in advance is 34.38% cheaper than booking it one week in advance. Buying the ticket during the last month before departure is 37.81% cheaper than purchasing it one week before the flight.

In which month are tickets from London to Seattle especially cheap?

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

How far is London from Seattle?

The distance between Seattle and London is approximately 7,702 miles.

How many airports are there in Seattle?

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

How many airports are there in London?

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

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

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

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

A taxi in London is about £5.00, in Seattle the average price is £2.00.

How much is a single ticket for the public transport in London? How much is it in Seattle?

A single ticket in London costs at least of £3.00. In Seattle, it is at least £2.00.

How many flights are there from Seattle to London?

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

Which airlines offer flights from Seattle to London?

There are at least 13 airlines that fly from Seattle to London, the cheapest are Norwegian (£332.48), Icelandair (£369.74) and British Airways (£400.41).

Which is the most expensive month to fly to London from Seattle?

Flights are most expensive in August.