Air Miles Calculator

Distance between Seattle, WA (BFI) and London (YXU)

Distance from Seattle to London (Seattle Boeing Field – London International Airport) is 2006 miles / 3228 kilometers / 1743 nautical miles.

How far is London from Seattle?

There are several ways to calculate distances between Seattle and London. Here are two common methods:

Vincenty's formula (applied above)
  • 2005.827 miles
  • 3228.065 kilometers
  • 1743.016 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 2000.361 miles
  • 3219.269 kilometers
  • 1738.266 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

Flight duration

Estimated flight time from Seattle Boeing Field (BFI) to London International Airport (YXU) is 4 hours 17 minutes.

Time difference and current local times

The time difference between Seattle and London is 3 hours. London is 3 hours ahead of Seattle.

Time Difference

Seattle
London

Seattle, WA

 PDT

London

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 222 kg (489 pounds).

Airport information


A Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B London International Airport
City: London
Country: Canada Flag of Canada
IATA Code: YXU
ICAO Code: CYXU
Coordinates: 43°2′8″N, 81°9′14″W

Seattle to London flight path

Shortest flight path between Seattle Boeing Field (BFI) and London International Airport (YXU).

Frequent Flyer Miles Calculator

Seattle (BFI) → London (YXU).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2006
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2006

Round trip?