Flight information for Seattle to London
(SEA to LON)
Find info about flight duration, direct flights, and airports for your flight from Seattle to London
| Best price found | £313 | The best flight deal from Seattle to London found on momondo in the last 72 hours is £313 |
| Fastest flight time | 9h 20m | The fastest flight from Seattle to London takes 9h 20m |
| Direct flights | None | There are no direct flights from Seattle to London. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - London Heathrow Airport, Seattle/Tacoma Intl Airport - London Gatwick Airport and Seattle/Tacoma Intl Airport - London Stansted Airport. |
| Airports in London | 6 airports | There are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN) |
How to get the cheapest flight ticket from Seattle to London
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from Seattle to London?
October
The cheapest time of year to fly to London from Seattle is October. The most expensive is December.
What is the cheapest day to depart Seattle for London?
Tuesday
The cheapest day of the week is usually Tuesday. The most expensive is usually Friday.
When is the cheapest time to fly from Seattle to London?
in the morning
Seattle to London flights are approximately 22% more expensive in the evening than in the morning
What is the cheapest airline that flies to London from Seattle?
Icelandair
American Airlines, Delta, and Iberia are the most popular carriers operating from Seattle to London
What is the cheapest Seattle to London flight route?
Seattle/Tacoma Intl - London Luton
Fly from Seattle/Tacoma Intl to London Luton for the best Seattle - London flight prices
How far in advance should you book Seattle to London flights?
60 days before
The cheapest time to buy a flight from Seattle to London is approximately 60 days to departure
Seattle to London flight comparison made easy
Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to London by changing tabs
Find the cheapest one-way flights from Seattle to London
If you're looking for one-way flights from Seattle to London, view some of our deals below provided by WestJet
Best airlines flying from Seattle to London
Compare and see reviews for airlines that fly from Seattle to London with momondo
Are airlines flying from Seattle/Tacoma Intl to London offering flexible cancellation due to COVID-19?
Due to the global impact of COVID-19, some of our airline partners operating flights from Seattle/Tacoma Intl to London, such as Virgin Atlantic, British Airways, and Icelandair may have flexible cancellation policies in place. Use our site to search for all of the airlines offering this flexibility to you.