Traveling from London to Seattle has never been easier or more affordable. Flights from London (LON) to Seattle (SEA) connect UK travelers to the Pacific Northwest’s vibrant culture, lush landscapes, and iconic city attractions, all with competitive airfare options.
Round-trip fares typically range between **USD 550–USD 900**, depending on the season, airline, and how early you book. My Trips Time helps travelers compare fares and find the most budget-friendly options.
The optimal time to book London → Seattle flights is about **3–4 months in advance**. Booking early allows you to access the best deals and secure preferred travel dates.
Shoulder seasons — spring (March–May) and fall (September–October) — often provide lower fares and fewer crowds. Flying mid-week, especially on Tuesday or Wednesday, can also result in cost savings for UK travelers.
Depart from London Heathrow Airport (LHR), the UK’s primary international gateway. With excellent facilities, multiple airlines, and direct flight options, LHR ensures a smooth start to your transatlantic journey to Seattle.
Arrive at Seattle–Tacoma International Airport (SEA), your gateway to downtown Seattle and the greater Puget Sound region. SEA offers easy transfers, modern facilities, and a wide selection of ground transportation options.
Travelers benefit from lounges, efficient immigration procedures, and rental car services to begin their Seattle adventure without delay.
Seattle is a vibrant city known for its tech-driven economy, coffee culture, waterfront scenery, and proximity to mountains and water. It offers a mix of urban attractions and outdoor adventures suitable for international travelers.
Major Attractions:
From urban exploration to scenic outdoor experiences, Seattle is a perfect destination for UK travelers seeking a blend of culture, entertainment, and nature.
Multiple international and U.S. carriers operate flights from London to Seattle, offering a mix of nonstop and connecting flights to suit travel schedules and budgets.
My Trips Time allows travelers to compare airlines, flight durations, layovers, and pricing to select the most convenient and affordable London → Seattle flight.
Nonstop flights typically take about 9–10 hours, while connecting flights may take 12–15 hours depending on layovers.
London Heathrow (LHR) and London Gatwick (LGW) are the main airports with flights to Seattle–Tacoma International Airport (SEA).
Yes, British Airways and Virgin Atlantic offer nonstop flights from London Heathrow to Seattle.
Booking 3–4 months in advance and flying mid-week provides the best fares.
Key attractions include the Space Needle, Pike Place Market, Chihuly Garden and Glass, Discovery Park, and Seattle Waterfront.
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