Flights tailored to your budget
- Flights from Seattle to London
Planning a flight from Seattle Lake Union to London Heathrow?
Flight prices from Seattle to London change depending on demand and time of booking.
Choose a date to explore the best fares now.
Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.
Which airports serve Seattle and London?
When planning a trip of about 7687 km, it's a good idea to check flights from surrounding airports too.
- Airports in Seattle: Seattle is connected to 2 airports - Boeing Field, Lake Union.
- Airports in London: London offers flights from 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.
Choose the right flight for your trip from Seattle Lake Union to London Heathrow
Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from the best airlines and travel agencies.
Other popular destinations
Flying to United Kingdom? Many users also explore: Edinburgh, Glasgow, London, Manchester, Newquay.
Looking for a specific airline? Select it directly in the filters to speed up your search. The search filters help you see only the options that match your needs.
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?
What is the most expensive month to fly from Seattle to London?
What is the best day of the week to fly from Seattle to London?
- Flights Mumbai - London Heathrow
- Flights New Delhi - London Heathrow
- Flights Chennai - London Heathrow
- Flights Coimbatore - London Heathrow
- Flights Bengaluru - London Heathrow
- Flights Goa Manohar - London Heathrow
- Flights Ahmedabad - London Heathrow
- Flights Lucknow - London Heathrow
- Flights Cochin - London Heathrow
- Flights Goa - London Heathrow
- Flights Hyderabad - London Heathrow
- Flights Eindhoven - London Heathrow
- Flights Luxor - London Heathrow
- Flights Amsterdam - London Heathrow
- Flights Rio De Janeiro Galeão - London Heathrow
- Flights Suceava - London Heathrow
- Flights Sarajevo - London Heathrow
- Flights Zakynthos - London Heathrow
- Flights Oslo Sandefjord - London Heathrow
- Flights Lima - London Heathrow
- Flights Des Moines - London Heathrow
- Flights Santiago de Chile - London Heathrow
- Flights Belfast City - London Heathrow
- Flights Munich - London Heathrow
- Flights Calgary - London Heathrow
- Flights Cluj - London Heathrow
- Flights to London
- Flights to Manchester
- Flights to Edinburgh
- Flights to Glasgow
- Flights to Birmingham
- Flights to Aberdeen
- Flights to Belfast
- Flights to Newcastle
- Flights to Bristol
- Flights to Southampton
- Flights to Leeds
- Flights to Jersey
- Flights to Liverpool
- Flights to Guernsey
- Flights to Isle of Man
