Flights tailored to your budget
- Flights from Seattle to London
What’s the cost of a flight from Seattle Lake Union to London Heathrow?
Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and London.
Choose a date to explore the best fares now.
If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.
Best airport options between Seattle and London
If you're open to flying into or out of more than one airport, you’ll have more routes to compare.
- Airports in Seattle: Seattle is served by 2 airports - Boeing Field, Lake Union.
- Airports in London: In London, 6 airports are available - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.
Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.
Flight filters for the route Seattle Lake Union – London Heathrow
Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.
Other popular destinations
Flights to United Kingdom are often searched alongside: Edinburgh, Glasgow, London, Manchester, Newquay.
The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.
Frequently asked questions about flights from Seattle Lake Union to London Heathrow.
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