Cheap Flights from London Heathrow to Seattle in 2019
Flight information London Heathrow to Seattle
Cheapest roundtrip price last month
Flights per week
Average flight time, total distance 4785 miles
Most popular airline last month
Seattle / Tacoma International, Seattle Lake Union SPB and Seattle Boeing Fld
Compare flights from London to Seattle and find the cheapest flights with Skyscanner
Skyscanner is a fast and simple travel search engine that helps you to find cheap flights and great prices on flights from London to Seattle. We compare hundreds of flights from all major airlines and travel agents, finding you the best deal on cheap plane tickets to Seattle from London.
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When is the best time to book from London to Seattle?
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- Looking for last minute flights? Learn how to find last minute deals for your trip to Seattle.
Useful information before booking your travel from London to Seattle
Check the travel information panel above to get exact information about:
- Distance from Seattle to London
- Flight time from Seattle to London
- Which airlines provide the cheapest tickets from London to Seattle
- Which airlines fly direct to Seattle from London.
Book a hotel or car rental for your stay in Seattle
Prices shown on this page are estimated lowest prices only. Found in the last 45 days.