Planning a flight from Seattle to London City?

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.

Is there more than one airport in Seattle or London?

Even short-haul routes can benefit from considering secondary airports. It may open up more flight times or cheaper fares.

• Airports in Seattle: Seattle has 2 airports - Boeing Field, Lake Union.
• Airports in London: London has 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

Airports with more daily flights offer more flexibility if plans change or delays occur. If you’re flexible, consider airports near London as well.

Plan your perfect flight from Seattle to London City

Jetcost gives you full control over your flight search. Filter by date, time, duration, price, and airline. See round-trip and one-way options from low-cost and full-service carriers and more.

Other popular destinations

Planning a trip to United Kingdom? Other frequent searches include: Edinburgh, Glasgow, London, Manchester, Newquay.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.