"See actual flight paths with flightpaths.com"
Weather, politics and local regulations can affect the choice of airspace and flight corridors. Flightpaths.com lets you see the real flight paths and compare passenger airlines and flight times simplified on an interactive map.
Flights from London (LHR), United Kingdom to Seattle (SEA), USA illustrated on a map. Based on 110 recorded flights, the distance can vary between 4850 and 5065 miles.
Canada
United Kingdom
Over water
Canada
Greenland
United Kingdom
Over water
Canada
United Kingdom
Over water
Canada
United Kingdom
Over water
Iceland
Greenland
Ireland
Faroe Islands
You can also check the reverse route: Seattle to London