How much is a flight from Seattle Lake Union to London Heathrow?

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

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Seattle Lake Union - London Heathrow route.

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.

Choose the right flight for your trip from Seattle Lake Union to London Heathrow

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 United Kingdom? Many users also explore: Edinburgh, Glasgow, London, Manchester, Newquay.

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