Cheap flights from London to Seattle

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adult
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

How much is a ticket from London to Seattle?

Depending on when you travel and how far in advance you book, fares between London and Seattle can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Planning flights between London and Seattle? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

  • Airports in London: London is the only airport in this city.
  • Airports in Seattle: Seattle features 2 airports - Boeing Field, Lake Union.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Flights from London to Seattle - Tacoma

Plan your journey from London to Seattle with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
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 3221 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 one airport: London.

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?

This information is not available at the moment.

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?

This information is not available at the moment.