Find out what a flight from Seattle to London might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and London.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Flying between Seattle and London? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Seattle: Seattle has 2 airports - Boeing Field, Lake Union.
• Airports in London: The only active option is London.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Seattle airports in a single search.

Customize your flight from Seattle to London

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 Ryanair, Easyjet, British Airways, Expedia, eDreams, and more.

Other popular destinations

Thinking about Canada? You might also consider: Calgary, Montreal, Quebec, Toronto, Vancouver.

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.