Cheap flights London — Seattle (LON — SEA)

Good to know - Cheap tickets London — Seattle

Cheapest flight found $768
Minimal flight time 24m
Flight distance 7709 km
Most popular airline British Airways (Oneworld Livery)

Airfare London – Seattle by month

Here you can find out in what months how much a ticket London – Seattle costs to buy cheap plane tickets.

Month One-way Round-trip
March 2026
November 2025
September 2025
August 2025
July 2025
June 2025
May 2025
April 2025
March 2025
February 2025
November 2024
October 2024

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Schedule of direct flights London — Seattle

Departure Arrival Flight days Flight Airlines Flight time Airports
01:45 18:09 wed A81971 Ameriflight 24m London-Waterloo — Boeing Field International Airport Select dates
01:45 18:10 mon, wed A81971 Ameriflight 25m London-Waterloo — Boeing Field International Airport Select dates
01:45 18:11 tue A81971 Ameriflight 26m London-Waterloo — Boeing Field International Airport Select dates
09:25 11:10 tue BA53 British Airways (Oneworld Livery) 9h 45m London Heathrow Airport — Seattle-Tacoma International Airport Select dates
09:45 11:30 sun BA53 British Airways (Oneworld Livery) 9h 45m London Heathrow Airport — Seattle-Tacoma International Airport Select dates
09:50 11:35 mon, wed, thu, fri, sat BA53 British Airways (Oneworld Livery) 9h 45m London Heathrow Airport — Seattle-Tacoma International Airport Select dates
12:40 14:40 thu, fri VS105 Virgin Atlantic 10h 0m London Heathrow Airport — Seattle-Tacoma International Airport Select dates
12:40 15:40 thu, fri VS105 Virgin Atlantic 10h 0m London Heathrow Airport — Seattle-Tacoma International Airport Select dates
13:00 13:57 sun British Airways (Oneworld Livery) 8h 57m London Heathrow Airport — Seattle-Tacoma International Airport Select dates
13:05 15:05 sat, sun VS105 Virgin Atlantic 10h 0m London Heathrow Airport — Seattle-Tacoma International Airport Select dates
All routes

Sales of tickets from London to Seattle in the last 48 hours

2025-08-09 - 2025-08-16

Dynamics airfare London — Seattle by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route London — Seattle

The graph shows that booking flights London — Seattle is best planned for February and flights London — Seattle — London in the month of March.

Flights London — Seattle

The selection of cheap flights London — Seattle

Here you can find and purchase the cheapest flights London — Seattle from $768 and London — Seattle — London from $575.

The price of the flight London — Seattle (United States) — London from $575 (round-trip).

The average price of the flight London — Seattle (United States) — London $1,070 (round-trip).

Low cost flights London — Seattle (LON — SEA)

The distance between London and Seattle 4790 miles (or 7709 kilometres).

The time difference between London and Seattle is 8 h.

Minimal flight time from London to Seattle 24m.

LowCostClub always do a comparison of airfares London — Seattle with several airlines (include Ameriflight, British Airways (Oneworld Livery), Virgin Atlantic). They will always give you all available options so you can find the cheapest flight to Seattle. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets London — Seattle. Last week, for instance, the cheapest round-trip prices stood at $575 while the cheapest one-way price that was available within the last week cost $768

Routes from nearby cities to Seattle

A flight from a neighbouring city can help you save money on plane tickets.

Most often, departures to Seattle are from Southampton, this is the cheapest flight from $885. The nearest airports from London with a flight to Seattle are located in Birmingham.

Popular International routes from London

Popular routes from Seattle

If you are going to fly from Seattle, then study the popular flights. The most popular flights from Seattle:

Popular domestic routes from London

FAQ about London — Seattle

Yes, they do: A81971, BA53, VS105, , BA49, DL21

Yes, you can fly from London to Seattle. London has 9 airports (Biggin Hill, London Heathrow Airport, London Luton Airport, London-Waterloo, London Southend Airport, London City Airport, London Gatwick Airport, Stansted Airport, St Pancras International RailSt) for flights. Ameriflight, British Airways (Oneworld Livery), Virgin Atlantic, Delta Air Lines, NetJets depart from London on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Aer Lingus, Aeromexico, Air Canada, Air France, All Nippon Airways, American Airlines, Asiana Airlines, Cargolux, China Airlines, China Cargo Airlines, China Southern Airlines, Condor (Blue Sea Livery), DHL, Edelweiss Air, Emirates (The Emirates Airline Foundation Livery), EVA Air (Star Alliance livery), FedEx, Finnair, Hainan Airlines, Hi Fly, Icelandair, Japan Airlines, Jet Linx Aviation, JetBlue, Korean Air, Lufthansa, Neos, Norwegian (Felix Rodríguez de la Fuente Livery), Oman Air, One Air, Phoenix Air, Qatar Airways, Qatar Executive, Ryanair, SAS, Singapore Airlines, Skyside, Smartwings, SunExpress, Titan Airways, TUI, Turkish Airlines, United Airlines, UPS, Western Aircraft, WestJet.

A direct flight lasts an average of 24m, during which time the aircraft covers a distance of 7709 km.

The price of flights London — Seattle starts from $768.

Planes fly London — Seattle 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun

In London — Biggin Hill, London Heathrow Airport, London Luton Airport, London-Waterloo, London Southend Airport, London City Airport, London Gatwick Airport, Stansted Airport, St Pancras International RailSt. In Seattle — Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport.

The following flights fly between London and Seattle: A81971, A81971, A81971, BA53, BA53, BA53, VS105, VS105, VS105, VS105, VS105, VS105, VS105, VS105, BA49, DL21, DL21, DL21

High season is considered to be July and the cheapest month is February. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest London — Seattle flight deals.

The following airlines have direct flights London — Seattle: Ameriflight, British Airways (Oneworld Livery), Virgin Atlantic, Delta Air Lines, NetJets.

All the following airlines flights London — Seattle: Aer Lingus, Aeromexico, Air Canada, Air France, All Nippon Airways, American Airlines, Ameriflight, Asiana Airlines, British Airways (Oneworld Livery), Cargolux, China Airlines, China Cargo Airlines, China Southern Airlines, Condor (Blue Sea Livery), Delta Air Lines, DHL, Edelweiss Air, Emirates (The Emirates Airline Foundation Livery), EVA Air (Star Alliance livery), FedEx, Finnair, Hainan Airlines, Hi Fly, Icelandair, Japan Airlines, Jet Linx Aviation, JetBlue, Korean Air, Lufthansa, Neos, NetJets, Norwegian, Oman Air, One Air, Phoenix Air, Qatar Airways, Qatar Executive, Ryanair, SAS, Singapore Airlines, Skyside, Smartwings, SunExpress, Titan Airways, TUI, Turkish Airlines, United Airlines, UPS, Virgin Atlantic, Western Aircraft, WestJet.

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