Flights tailored to your budget
- Flights from Seattle to London
Planning a flight from Seattle to London Gatwick?
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.
Best airport options between Seattle and London
If you're open to flying into or out of more than one airport, you’ll have more routes to compare.
- Airports in Seattle: Seattle is served by 2 airports - Boeing Field, Lake Union.
- Airports in London: In London, 6 airports are available - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.
Customize your flight from Seattle to London Gatwick
Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from Delta, American, United, Expedia, eDreams, and more.
Other popular destinations
Thinking about United Kingdom? You might also consider: Edinburgh, Glasgow, London, Manchester, Newquay.
You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.
Frequently asked questions about flights from Seattle to London Gatwick.
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