Cheap flights from Seattle to London

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What’s the price of flying from Seattle to London?

It depends. Prices for flights from Seattle to London fluctuate based on several factors.

Choose a date to explore the best fares now.

Checking flights with stopovers can sometimes lead to big savings, especially on longer routes. Also, airfare often depends on availability — it’s wise to track price changes regularly.

Planning flights between Seattle and London? 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 Seattle: 2 airports are listed in Seattle - Boeing Field, Lake Union.
  • Airports in London: Only London is currently available.

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.

Plan your journey from Seattle to London 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 Canada? These cities are trending: Calgary, Montreal, Quebec, Toronto, Vancouver.

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 Seattle to London.

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

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

How far is Seattle from London?

Seattle is about 3221 km from London.

What are the airports in London?

London has one airport: London.

What are the airports in Seattle?

Seattle has 2 airports: Boeing Field, Lake Union.

What are the most popular cities in Canada?

The most popular cities in Canada according to our users' searches are: Calgary, Montreal, Quebec, Toronto, Vancouver.

When should I book a flight from Seattle to London?

This information is not available at the moment.

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

This information is not available at the moment.

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

This information is not available at the moment.

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

This information is not available at the moment.