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- Flights from Seattle to London
How to get the best price 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.
Pick a travel date to see today’s available fares.
Search engines like Jetcost can highlight price changes in just seconds. For example, some users find better prices by flying on one day of the week over another — try several searches to spot the cheapest day.
Which departure and arrival airports are available?
Between Seattle and London, flight options may depend on the combination of airports available.
- Airports in Seattle: Seattle is connected by 2 airports - Boeing Field, Lake Union.
- Airports in London: London is served by 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.
Find the best flight from Seattle Lake Union to London Heathrow
With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from Delta, American, United, and more.
Other popular destinations
Searching for flights to United Kingdom? Travelers also looked at: Edinburgh, Glasgow, London, Manchester, Newquay.
Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Seattle Lake Union – London Heathrow flights.
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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