Cheap flights Seattle — London (SEA — LON)

Good to know - Cheap tickets Seattle — London

Cheapest flight found $258
Minimal flight time 8h 44m
Flight distance 7709 km
Most popular airline British Airways

Airfare Seattle – London by month

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

Month One-way Round-trip
November 2026
October 2026
June 2026
May 2026
April 2026
March 2026
February 2026
January 2026
December 2025
November 2025
October 2025
September 2025

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 Seattle — London

Departure Arrival Flight days Flight Airlines Flight time Airports
13:25 07:00 tue, wed BA52 British Airways 9h 35m Seattle-Tacoma International Airport — London Heathrow Airport Select dates
13:35 07:10 fri, sat BA52 British Airways 9h 35m Seattle-Tacoma International Airport — London Heathrow Airport Select dates
14:45 08:26 fri TUI 9h 41m Boeing Field International Airport — London Gatwick Airport Select dates
15:50 08:34 sun Virgin Atlantic 8h 44m Seattle-Tacoma International Airport — London Heathrow Airport Select dates
16:55 10:30 wed DL20 Delta Air Lines 9h 35m Seattle-Tacoma International Airport — London Heathrow Airport Select dates
18:25 11:55 mon, tue, wed, thu, sat VS106 Virgin Atlantic 9h 30m Seattle-Tacoma International Airport — London Heathrow Airport Select dates
18:50 12:20 daily BA48 British Airways 9h 30m Seattle-Tacoma International Airport — London Heathrow Airport Select dates
22:15 15:45 mon VS106 Virgin Atlantic 9h 30m Seattle-Tacoma International Airport — London Heathrow Airport Select dates
All routes

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

2026-04-10 - 2026-04-19

2026-04-10 - 2026-04-19

Dynamics airfare Seattle — London 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 Seattle — London

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

Flights Seattle — London

The selection of cheap flights Seattle — London

Here you can find and purchase the cheapest flights Seattle — London from $258 and Seattle — London — Seattle from $90.

The price of the flight Seattle — London (United Kingdom) — Seattle from $90 (round-trip).

The average price of the flight Seattle — London (United Kingdom) — Seattle $800 (round-trip).

Low cost flights Seattle — London (SEA — LON)

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

The time difference between Seattle and London is 8 h.

Minimal flight time from Seattle to London 8h 44m.

LowCostClub always do a comparison of airfares Seattle — London with several airlines (include British Airways, TUI, Virgin Atlantic). They will always give you all available options so you can find the cheapest flight to London. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Seattle — London. Last week, for instance, the cheapest round-trip prices stood at $90 while the cheapest one-way price that was available within the last week cost $258

Routes from nearby cities to London

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

The most frequent flight to London is from Abbotsford, which is the closest city to Seattle with the lowest price, from $20 per one-way.

Popular International routes from Seattle

Popular routes from London

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

Popular domestic routes from Seattle

FAQ about Seattle — London

Yes, they do: BA52, , DL20, VS106, BA48

Yes, you can fly from Seattle to London. Seattle has 3 airports (Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport) for flights. British Airways, TUI, Virgin Atlantic, Delta Air Lines depart from Seattle on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Aer Lingus, Aeromexico, Air Canada, Air France, AJet, All Nippon Airways, American Airlines, Asiana Airlines, Atlas Air, Cargolux, China Airlines, China Cargo Airlines, Condor, Emirates, EVA Air, FedEx, Four Seasons Jet Experience, Hainan Airlines, Hi Fly, Icelandair, Japan Airlines, Jet Linx Aviation, Korean Air, LOT, Lufthansa, NetJets, Norwegian, One Air, Phoenix Air, Qatar Airways, Ryanair, Singapore Airlines, Smartwings, SunExpress, Turkish Airlines, United Express, UPS, WestAir Charter, WestJet.

A direct flight lasts an average of 8h 44m, during which time the aircraft covers a distance of 7709 km.

The price of flights Seattle — London starts from $258.

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

In Seattle — Boeing Field International Airport, Kenmore Air Harbor SPB, Seattle-Tacoma International Airport. 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.

The following flights fly between Seattle and London: BA52, BA52, DL20, VS106, BA48, VS106

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

The following airlines have direct flights Seattle — London: British Airways, TUI, Virgin Atlantic, Delta Air Lines.

All the following airlines flights Seattle — London: Aer Lingus, Aeromexico, Air Canada, Air France, AJet, All Nippon Airways, American Airlines, Asiana Airlines, Atlas Air, British Airways, Cargolux, China Airlines, China Cargo Airlines, Condor, Delta Air Lines, Emirates, EVA Air, FedEx, Four Seasons Jet Experience, Hainan Airlines, Hi Fly, Icelandair, Japan Airlines, Jet Linx Aviation, Korean Air, LOT, Lufthansa, NetJets, Norwegian, One Air, Phoenix Air, Qatar Airways, Ryanair, Singapore Airlines, Smartwings, SunExpress, TUI, Turkish Airlines, United Express, UPS, Virgin Atlantic, WestAir Charter, WestJet.

Low price calendar

We use cookies and similar technologies for different purposes. Read the privacy policy. If you use the site you agree to them.