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Connecting route · Canada → United States

Flights from London to Seattle

There are no direct flights from London to Seattle. The fastest way is one stop via Calgary, about 6h 20m door to door (8 connections a week on current schedules).

No direct flights · 1 connection option From 6h 20m
YXUSEAYYC

London to Seattle at a glance

Fastest journey6h 20mVia Calgary, on current schedules
Nonstop flightsNoneConnect via Calgary

Best ways to fly from London to Seattle

Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.

1
YXU Calgary (YYC) SEA
Leg 1: WestJet · Leg 2: Alaska Airlines, WestJet, WestJet Encore
Wed06:15 YXU08:09 YYC0h 51m connection09:00 YYC09:35 SEAWestJet
8 connections a week One airline, one ticket Fastest 6h 20m
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Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.

Good to know

Distance
3,215 km1,997 miles
Journey time
6h 20mon current schedules
Time difference
-3hSeattle vs London
Currency in Seattle
USD
Airports
YXU → SEA, BFI

Flights from London to Seattle: questions answered

Are there direct flights from London to Seattle?
No. There is no nonstop service, so you will connect, most easily in Calgary. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from London to Seattle?
With one connection the journey usually takes around 6h 20m, depending on the layover. The straight-line distance is 3,215 km.
Where do you change planes between London and Seattle?
The best connecting points are Calgary (YYC). WestJet flies both legs via Calgary, so you can book it as one ticket.
Which airports serve London and Seattle?
London: London International Airport (YXU). Seattle: Seattle–Tacoma International Airport (SEA) and King County International Airport - Boeing Field (BFI).
What is the time difference between London and Seattle?
Seattle is 3 hours behind London.

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