Cheap Flights from London (LHR) to Seattle (SEA) from AU$789

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Cheap Flights from London (LHR) to Seattle (SEA)

Prices were available within the past 7 days and start at AU$789 for one-way flights and AU$998 for round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Tue., 5 Nov. - Tue., 19 Nov.
LHR
London
SEA
Seattle
AU$998 Return, found 1 day ago
AU$998
Return
found 1 day ago
Select Icelandair flight, departing Tue., 5 Nov. from London to Seattle, returning Tue., 19 Nov., priced at AU$998 found 1 day ago
Icelandair
Tue., 5 Nov. - Tue., 19 Nov.
LHR
London
SEA
Seattle
AU$1,000 Return, found 1 day ago
AU$1,000
Return
found 1 day ago
Select Icelandair flight, departing Tue., 5 Nov. from London to Seattle, returning Tue., 19 Nov., priced at AU$1,000 found 1 day ago
Icelandair
Mon., 9 Sep. - Mon., 16 Sep.
LHR
London
SEA
Seattle
AU$1,006 Return, found 4 days ago
AU$1,006
Return
found 4 days ago
Select Icelandair flight, departing Mon., 9 Sep. from London to Seattle, returning Mon., 16 Sep., priced at AU$1,006 found 4 days ago
Virgin Atlantic
Tue., 5 Nov. - Tue., 19 Nov.
LHR
London
SEA
Seattle
AU$1,043 Return, found 1 day ago
AU$1,043
Return
found 1 day ago
Select Virgin Atlantic flight, departing Tue., 5 Nov. from London to Seattle, returning Tue., 19 Nov., priced at AU$1,043 found 1 day ago
Delta
Tue., 5 Nov. - Tue., 19 Nov.
LHR
London
SEA
Seattle
AU$1,043 Return, found 1 day ago
AU$1,043
Return
found 1 day ago
Select Delta flight, departing Tue., 5 Nov. from London to Seattle, returning Tue., 19 Nov., priced at AU$1,043 found 1 day ago
United
Tue., 5 Nov. - Tue., 19 Nov.
LHR
London
SEA
Seattle
AU$1,052 Return, found 1 day ago
AU$1,052
Return
found 1 day ago
Select United flight, departing Tue., 5 Nov. from London to Seattle, returning Tue., 19 Nov., priced at AU$1,052 found 1 day ago
American Airlines
Tue., 5 Nov. - Tue., 19 Nov.
LHR
London
SEA
Seattle
AU$1,064 Return, found 1 day ago
AU$1,064
Return
found 1 day ago
Select American Airlines flight, departing Tue., 5 Nov. from London to Seattle, returning Tue., 19 Nov., priced at AU$1,064 found 1 day ago
Lufthansa
Tue., 5 Nov. - Tue., 19 Nov.
LHR
London
SEA
Seattle
AU$1,078 Return, found 1 day ago
AU$1,078
Return
found 1 day ago
Select Lufthansa flight, departing Tue., 5 Nov. from London to Seattle, returning Tue., 19 Nov., priced at AU$1,078 found 1 day ago
Air Canada
Tue., 5 Nov. - Tue., 19 Nov.
LHR
London
SEA
Seattle
AU$1,096 Return, found 1 day ago
AU$1,096
Return
found 1 day ago
Select Air Canada flight, departing Tue., 5 Nov. from London to Seattle, returning Tue., 19 Nov., priced at AU$1,096 found 1 day ago
Finnair
Tue., 5 Nov. - Tue., 19 Nov.
LHR
London
SEA
Seattle
AU$1,114 Return, found 1 day ago
AU$1,114
Return
found 1 day ago
Select Finnair flight, departing Tue., 5 Nov. from London to Seattle, returning Tue., 19 Nov., priced at AU$1,114 found 1 day ago
0
Flight from London to Seattle route information
Origin airport
Heathrow
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic, WestJet
Return price
AU$997
Distance
7657 km

Your quick guide to flights from London to Seattle

Pick up great flights from London to Seattle

With Expedia, you have your pick of 15 flights a day with 20 airlines covering flights from London to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from London to Seattle that take around 9 hours.

Find cheap flights from London to Seattle

From the great flight deals with prices currently ranging from AU$998 to AU$1,114, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from London to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in November.

Reasons to book your flight from London to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from London to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Discover the Best Flights from LHR to SEA - A Journey from London to Seattle

Looking for an exciting adventure across the globe? Look no further than the stunning city of Seattle, Washington. With its breathtaking landscapes, vibrant culture, and eclectic attractions, SEA-Seattle - Tacoma Intl. Airport is your gateway to an unforgettable vacation. Book your flight from London (LHR-Heathrow) to Seattle (SEA-Seattle - Tacoma Intl.) and embark on a journey that will leave you with memories to last a lifetime.

The Top Airlines for Your Journey

When it comes to flying from LHR to SEA, several top airlines offer excellent service and convenience. Delta Airlines, British Airways, and Virgin Atlantic are among the best options for your journey. These airlines provide comfortable flights, outstanding customer service, and a range of amenities to ensure that your trip is smooth and enjoyable.

Easy Access to the City

Once you arrive at SEA-Seattle - Tacoma Intl. Airport, you'll find a variety of transportation options to take you to the heart of the city. Public transport, including the light rail system, is easily accessible from the airport, making it convenient and affordable to reach your desired destination. Alternatively, you can choose from a selection of reliable taxi services or rent a car to explore Seattle at your own pace.

Unforgettable Experiences in Seattle

Seattle is a city brimming with attractions and activities for every type of traveler. From the iconic Space Needle that offers panoramic views of the city to the vibrant Pike Place Market where you can indulge in local delicacies, Seattle has something to offer everyone. Explore the historic Pioneer Square, immerse yourself in the music scene at the Museum of Pop Culture, or take a leisurely stroll through the beautiful Washington Park Arboretum. No matter your interests, Seattle will captivate you with its unique charm and endless possibilities.

Tips for Booking Your Flight

When booking your flight from LHR to SEA, it's important to keep a few things in mind. Look for great deals and competitive prices to get the most value for your money. Expedia is your go-to platform for finding affordable flights and scoring great prices. Take advantage of the flight price calendar, compare prices from different airlines, and track price trends to ensure you secure the best deal for your journey. Trust Expedia to help you make the most of your travel experience.

So why wait? Book your flight from London to Seattle today and get ready to embark on an incredible adventure in the Emerald City.

Frequently asked questions

How much is a flight from Heathrow Airport to Sea-Tac Airport?
Start packing your bags, because round-trip journeys from LHR to Seattle - Tacoma Intl. Airport (SEA) start from AU$998. That’s based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport (LHR) to Sea-Tac Airport?
Most flights can be cancelled online, but whether you incur a fee depends on your airline. If you do have to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Heathrow Airport to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for London Heathrow to Sea-Tac Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Heathrow Airport (LHR) to Seattle - Tacoma Intl. Airport (SEA)?
With around 7 700 kilometres separating LHR and Seattle - Tacoma Intl. Airport (SEA), your flight will be a long one. Pack wisely to make your time on board more comfortable. Little things like an extra pair of socks and a good neck pillow can make a big difference.
Which airlines fly direct from Heathrow Airport to Sea-Tac Airport?
Getting from London Heathrow to Sea-Tac Airport is easy when you have a good range of airlines to choose from. Here are a few of the best:

  • Virgin Atlantic - (VS) with 30 monthly flights
  • American Airlines - (AA) with 30 monthly flights
  • British Airways - (BA) with 30 monthly flights
  • Delta Air Lines - (DL) with 17 monthly flights

Are Heathrow Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes score a bargain, with some of the cheapest airfares from London Heathrow to SEA surfacing a few weeks before the departure date. If you’d rather book ahead, Expedia compares and updates all the best flight deals continuously — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines advertise prices that far in advance.
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