The distance between London Heathrow and Seattle/Tacoma Intl is about 4774.1 mi. A reasonable flight in good conditions will take 9h 55m.
Prices for flights from London Heathrow Airport to Seattle/Tacoma Intl Airport were last updated today.
As of December 2024, there are 12 operators available to choose from for flights from London Heathrow Airport to Seattle/Tacoma Intl Airport.
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Seattle/Tacoma Intl Airport.
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Seattle is Boeing 787-9 Dreamliner, representing 30.33% of all bookings. The subsequent popular models are Boeing 787-10 Dreamliner at 26.51%, Airbus A330-900neo at 14.64%, and Boeing 777 at 13.74%.
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Seattle is Virgin Atlantic, representing 48% of all bookings. The subsequent popular airlines are British Airways at 21%, Icelandair at 8%, and KLM at 7%.
Airline | Rating | Free Cancellation | Price | ||
---|---|---|---|---|---|
Delta | PriceFrom £312 | Free Cancellation | Rating 8.0 8,604 reviews | ||
Lufthansa | PriceFrom £406 | Free Cancellation | Rating 6.8 7,087 reviews | ||
Icelandair | PriceFrom £409 | Free Cancellation | Rating 7.1 509 reviews | ||
United Airlines | PriceFrom £419 | Free Cancellation | Rating 7.4 9,048 reviews | ||
Air Canada | PriceFrom £435 | Free Cancellation | Rating 7.0 8,391 reviews | ||
Aer Lingus | PriceFrom £437 | Free Cancellation | Rating 7.1 1,078 reviews | ||
British Airways | PriceFrom £443 | Free Cancellation | Rating 6.6 6,817 reviews | ||
Finnair | PriceFrom £464 | Free Cancellation | Rating 7.7 1,285 reviews | ||
Virgin Atlantic | PriceFrom £465 | Free Cancellation | Rating 7.5 668 reviews | ||
Air France | PriceFrom £477 | Free Cancellation | Rating 7.4 1,505 reviews |
Delta operates around 6 flights from London Heathrow Airport to Seattle every week. The average price of these flights found in the last 72 hours has been £826, but momondo users have found Delta deals from London Heathrow Airport to Seattle from as low as £396 round-trip. Delta has been scored 8.0/10 in 8,600 reviews.
KLM (7.8/10 from 1,349 reviews) operates around 6 flights from London Heathrow Airport to Seattle in any given week. The average KLM airfare for this route is around £819, with deals from around £619 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to Seattle flight searches in the last 72 hours.
Finding the right flight to Seattle from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.
Flights from London to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
Once all potential London to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
Of course. momondo tracks the price of London to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.