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Good to Know: Cheapest and Fastest LHR - SEA Flights
Useful information for finding best airline tickets from London Heathrow to Seattle Tacoma International on your next trip.
Cheapest One way Flight
$725
American Airlines
• nonstop
• 16h 40m
Dec 22
The cheapest one way flight from London to Seattle (LHR-SEA) is currently $725
Fastest Flight
16h 40m
The fastest nonstop flight from London to Seattle (LHR-SEA) takes 16h 40m
Top Airlines Flying from London to Seattle
Latest Flight Deals from London (LHR) to Seattle (SEA)
Explore competitive one-way airfare options for LHR - SEA flights. Best suited for flexible or open-ended travel plans.
FAQs on London to Seattle Flights
What are the airports in London?
LHR
What’s the most popular airline flying from LHR to SEA?
The most popular airline flying from London to Seattle are
Can I fly from LHR to SEA non-stop?
Yes, you can fly LHR to SEA non-stop on
Which airlines fly nonstop between London and Seattle?
The non-stop flights between London and Seattle are .
What’s the earliest departure time from LHR to SEA Airport?
The earliest flight leaves LHR at 6:30 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my London to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from LHR to SEA?
Read the fare rules of the London to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from London and Seattle?
operate flights between London and Seattle
How long does a flight from London to Seattle take?
It takes approximately 10 hour to fly non-stop from LHR to SEA, which is 4800.22 miles by air.
Which airlines provide the cheapest flights from London (LHR) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from LHR were found on TP : USD 2581
Do I need a passport to fly between LHR and SEA?
Yes
What’s the latest departure time from LHR to SEA ?
The last flight leaves LHR at 7:00 pm
London (LHR) to Seattle (SEA): Airport Information
| Origin Airport | London Heathrow , London, GB |
| Destination Airport | Seattle Tacoma International , Seattle, US |
| Distance | 4800 miles |
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