Cheap flights from London to Seattle

Flights tailored to your budget

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Cheap London - Seattle flight offers

Find cheap flight tickets and last-minute flight deals from London to Seattle

Ryanair
Wed 05-08 (LON) London -> (SEA) Seattle
Direct

Price found 9 days ago
from €476
Ryanair
Tue 04-08 (LON) London -> (SEA) Seattle
Direct

Price found 9 days ago
from €482

Info about flights from London to Seattle

Some useful info about flights from London to Seattle to help you plan your next trip

Average flight duration 9h 51m
Average number of flights per week 71
First flight time 06:00
Last flight time 22:40
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Top airlines on the route London - Seattle

Airlines providing flights to Seattle from London

Flight prices from London to Seattle

There’s no fixed price — fares between London and Seattle can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Airport options between London and Seattle

Even for routes around 7713 km, using different airports might affect flight cost and travel time.

  • Airports in London: You can fly from 6 airports in London - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
  • Airports in Seattle: Seattle offers flights from 2 airports - Boeing Field, Lake Union.

Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.

Flights from London to Seattle - Tacoma

Flight filters for the route London – Seattle

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to United States are often searched alongside: Las Vegas, Los Angeles, Miami, New York City, Orlando.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.

Frequently Asked Questions

Frequently asked questions about flights from London to Seattle.

How much does an airline ticket from London to Seattle cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from London to Seattle.

How far is London from Seattle?

London is about 7713 km from Seattle.

What are the airports in Seattle?

Seattle has 2 airports: Boeing Field, Lake Union.

What are the airports in London?

London has 6 airports: City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from London to Seattle?

The best time to book a flight from London to Seattle is 2 months in advance, while the worst time is 10 weeks in advance.

What is the cheapest month to fly from London to Seattle?

This information is not available at the moment.

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

This information is not available at the moment.

What is the best day of the week to fly from London to Seattle?

For flights from London to Seattle Tuesday is on average the cheapest day to fly, while Tuesday is the most expensive day to fly.