Flights tailored to your budget
- Flights from Seattle to London
How to get the best price from Seattle 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.
Flying between Seattle and London? Consider these airports
Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.
- 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.
Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Seattle airports in a single search.
Customize your flight from Seattle 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 to London Heathrow.
How much does an airline ticket from Seattle to London Heathrow cost?
How far is Seattle from London?
What are the airports in London?
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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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