Flights tailored to your budget
- Flights from Seattle to London
Looking for the price of a flight from Seattle Lake Union to London Heathrow?
There’s no fixed price — fares between Seattle and London can vary a lot by day or time.
Select your dates to check current offers.
It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.
Which airports near Seattle or London offer flights?
In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.
- Airports in Seattle: 2 airports are active - Boeing Field, Lake Union.
- Airports in London: 6 options available in London - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.
Filter and compare flights from Seattle Lake Union to London Heathrow
Jetcost helps you manage complex searches with simple filters. Sort by airline, duration, number of stops, or even time windows for outbound and return flights.
Other popular destinations
Want more ideas for your trip to United Kingdom? Check these: Edinburgh, Glasgow, London, Manchester, Newquay.
Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.
Frequently asked questions about flights from Seattle Lake Union to London Heathrow.
How much does an airline ticket from Seattle Lake Union to London Heathrow cost?
How far is Seattle from London?
What are the airports in London?
What are the airports in Seattle?
What are the most popular cities in United Kingdom?
When should I book a flight from Seattle to London?
What is the cheapest month to fly from Seattle to London?
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