Find Cheap Flights from London (LON) to Seattle (SEA) from £409

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Selected flight deals from London to Seattle

The lowest prices found within the past 7 days from London to Seattle were £488 for one-way flights and £409 for return flights, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cheap Flights from London to Seattle & Flight Information
Origin Airport IATA codeLHR
Destination Airport IATA codeSEA
Flight Price£409

Helpful London to Seattle (LON - SEA) Flight Information

Traveling From London
Origin Airport IATA Code LON
Traveling To Seattle
Destination Airport IATA Code SEA
Number of Airlines Serving 6
Available Airlines Lufthansa, United, Air Canada, Icelandair, Aer Lingus, Qatar Airways
Distance 7702 km
Direct Flight Time 9 45
Flight Price £409

FAQs about flights from London to Seattle

Is it possible to fly from London to Seattle right now?

Our Covid-19 Travel Advisor will inform you of any flying restrictions or health guidelines if you're planning to book a flight to Seattle from London sometime soon.

Is there a direct flight between London and Seattle?

British Airways or Virgin Atlantic? Or one of the other 2 airlines operating directly from LHR to Sea-Tac Airport? That's what you'll need to work out to book your seat. With this many options, we're confident you'll find an air carrier that gels with your travel plans.

How long is a direct flight from London to Seattle?

Make sure you choose your favourite seat, because you'll be in it for at least 9 hours and 40 minutes during this trip of 4,785 miles. But direct services between London and Seattle generally average 9 hours and 48 minutes.

Can I cancel my flight booking to Seattle due to COVID-19?

As an Ebookers customer, you may be eligible for a no-change-fee cancellation for your Seattle booking and a credit that you can use for another flight. Your account is the place to go to see if your reservation has this flexibility. If you have any more questions, our Customer Service Portal is here to help.

What are the best airports for London to Seattle flights?

As there are lots of ways to fly from London to Seattle, we thought you might be curious to discover which routes are the most frequently flown:

  • Heathrow Airport (LHR) to Sea-Tac Airport - 24 flights per week
  • London City Airport to SEA - 11 flights per week
  • London Airport (LHR-Heathrow) to Snohomish County - Paine Field Airport (PAE) - 7 flights per week
What are some of the most popular airlines flying from London to Seattle?

Every airline has something unique to offer. If you're travelling from London to Seattle, pick from one of the finest six carriers which operate on this route:

  • American Airlines with 56 flights every month.
  • British Airways with 47 flights every month.
  • KLM with 30 flights every month.
  • Virgin Atlantic with 30 flights every month.
  • Delta with 17 flights every month.
  • Icelandair with 17 flights every month.
How many flights are there from London to Seattle?

Booking a trip from London to Seattle is simple. With 3 daily flights to pick from, you can set off on your dream getaway any time you like.

Is it possible to fly on an airline that employs social distancing and other COVID-19 measures?

Getting to your destination comfortably and confidently is as important as having a great holiday once you get there. Take the stress out of flying by choosing Alaska Airlines, Delta or Southwest Airlines. They all employ social distancing rules and have COVID-19 measures in place, which may be capped capacity flights and keeping the middle seat empty.

What are the cheapest days to book a flight?

This is one is easy to remember: Flight Fridays. We found that tickets booked on a Friday resulted in the best deal on average in 2020. However, Wednesdays can be the worst days to purchase plane tickets, as it was the day with the highest average ticket price based on flight demand on ebookers in 2020.

What are the cheapest days to fly?

When analysing flight demand on ebookers in 2020, Monday turned out to be the cheapest day to fly. That's definitely something to consider when booking your next trip! Weekends may seem like the most logical time to start your holiday, but airline tickets were on average more expensive for flights departing on Saturdays, so keep this in mind when planning for your next trip.

*According to flight demand on from January to December 2020. Savings are subject to change and may vary depending on selections made.

Fly from London to Seattle with ebookers

Cheap flights from London to Seattle 

Our advanced search tools and comprehensive filters help you find a flight that fits your budget. To search for cheap flights, just enter your travel dates and sort your results by price. With all available tickets listed lowest price first, it’s easy to select the one that’s easiest on your wallet.  

To find the cheapest flights from London to Seattle, you can also travel outside peak season. The more flexible you can be on travel dates, the easier it is to find those cheap flight tickets. We know, for example, that the cheapest time to travel between London to Seattle is July. In the current list of deals available, prices start at £409 and can rise to £1,476 for return flights.  

Find the best flight from London to Seattle  

Every day between London and Seattle, 10 flights from 6 airlines jet back and forth. And with ebookers, you can book tickets for any one of those flights. If you book a direct flight with American Airlines, Alaska Airlines, Aer Lingus, Finnair, Iberia, British Airways, you’ll arrive safely in your destination in around 9hours. If you can think of a quicker way to cover the 7702 km between null and null, let us know! 

Flights from London to Seattle — a great choice on great deals 

We only need a little information to give you a lot of choice. Just tell us when you’re planning your family holiday, long weekend, luxury getaway or quick business trip, and we’ll do the rest. And to keep your choice-making easy, we’ve given you plenty of ways to narrow down your search. Choose one-way, roundtrip or multi city flights, select your preferred airline, your time of arrival and departure and cabin class using the filters.  

Once you’ve told us what you want, we’ll show you what’s on offer. All you need to do is take your pick and start packing.  

Book your flights with ebookers 

We want the experience of booking your flight from London to Seattle to be as simple as possible. That’s why we designed our search and filter options to make your life easy. Whether you are travelling on business or for pleasure, ebookers has you covered. 

When you’re ready to book, our service is always fast and transparent. We know plans change, so we have a range of flexible booking options. Choose between refundable bookings and flights with no charges should you need to rearrange and travel stress-free. 

Need a car after flight from London to Seattle

Place to stay after flight from London to Seattle

Hyatt Regency Seattle

Hyatt Regency Seattle

4 out of 5
808 Howell St, Seattle, WA
The price is £152 per night from 8 Oct to 8 Oct
Located in Belltown, this hotel is within a 5-minute walk of Pacific Place and Nordstrom. Seattle Waterfront and Virginia Mason Medical Center are also within ...
Hyatt Regency Seattle
Mediterranean Inn

Mediterranean Inn

3 out of 5
425 Queen Anne Ave N, Seattle, WA
The price is £116 per night from 28 Sep to 28 Sep
Located in Queen Anne, this hotel is within a 10-minute walk of Climate Pledge Arena, Seattle Children's Theatre and Pacific Northwest Ballet. Marion Oliver ...
Mediterranean Inn
Sheraton Grand Seattle

Sheraton Grand Seattle

4 out of 5
1400 6th Ave, Seattle, WA
The price is £135 per night from 8 Oct to 8 Oct
Located in Downtown Seattle, this hotel is steps away from 5th Avenue Theater, Washington State Convention Center and Seattle Central Business District. Nordstrom ...
Sheraton Grand Seattle

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W Seattle

W Seattle

4.5 out of 5
1112 4th Ave, Seattle, WA
The price is £133 per night from 14 Oct to 14 Oct
Located in Downtown Seattle, this luxury hotel is steps away from Seattle Public Library and Seattle Central Business District. Seattle Waterfront and 5th Avenue ...
W Seattle
The Paramount Hotel

The Paramount Hotel

3.5 out of 5
724 Pine St, Seattle, WA
The price is £105 per night from 19 Oct to 19 Oct
Located in Downtown Seattle, this hotel is steps away from Pacific Place, Seattle Paramount Theatre and Seattle Central Business District. Washington State Convention ...
4/5Very Good! (1 review)
"Good location. Close to monorail to easily get to Seattle Centre as well as walkable to Downtown Seattle, Pike Place Market and parts of Capitol Hill. Staff very friendly and helpful. Small gym available which we didn’t use but saw to access free water which was a huge plus. Rooms are comfy but relatively ..."

Reviewed on 28 Feb 2020

The Paramount Hotel
Warwick Seattle

Warwick Seattle

3.5 out of 5
401 Lenora St, Seattle, WA
The price is £110 per night from 4 Oct to 4 Oct
Located in Belltown, this hotel is within a 10-minute walk of Cinerama, Seattle Waterfront and Nordstrom. Seattle Center and Chihuly Garden and Glass are also ...
Warwick Seattle
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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

*Savings based on all holiday package bookings with Flight + Hotel on from January 2017 to December 2017, as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages. For Free Flight or 100% Off Flight deals, package savings is greater than or equal to the current cost of one component, when both are priced separately.

Fare, taxes & fees: Fares were found on and are updated daily. They include all taxes and fees, except baggage fees.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a £25.00 / 45.00 Euro service fee charged by ebookers, plus any airline fare and tax increase that may be applicable.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.