Flights tailored to your budget
- Flights from Seattle to London
How much is a flight from Seattle Lake Union to London Heathrow?
Depending on when you travel and how far in advance you book, fares between Seattle and London can differ a lot.
Select your dates to check current offers.
Low-cost airlines offer competitive fares, but often add charges for extra services. Keep that in mind when planning your trip. Also, midweek departures may offer better deals than weekends.
Is there more than one airport in Seattle or London?
Even short-haul routes can benefit from considering secondary airports. It may open up more flight times or cheaper fares.
- Airports in Seattle: Seattle has 2 airports - Boeing Field, Lake Union.
- Airports in London: London has 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
Airports with more daily flights offer more flexibility if plans change or delays occur. If you’re flexible, consider airports near London as well.
Customize your flight from Seattle Lake Union to London Heathrow
Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.
Other popular destinations
Thinking about United Kingdom? You might also consider: Edinburgh, Glasgow, London, Manchester, Newquay.
You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.
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?
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