Planning a flight from Seattle to London?

Flight prices from Seattle to London change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

What are the airport options between Seattle and London?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

• Airports in Seattle: Seattle has 2 airports - Boeing Field, Lake Union.
• Airports in London: London has one airport operating, London.

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Choose the right flight for your trip from Seattle to London

Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from the best airlines and travel agencies.

Other popular destinations

Flying to Canada? Many users also explore: Calgary, Montreal, Quebec, Toronto, Vancouver.

Looking for a specific airline? Select it directly in the filters to speed up your search. The search filters help you see only the options that match your needs.