✈ LHR → DFW
9H 50M FLIGHT. TWO MOVIES, NO SLEEP, ONE EXISTENTIAL CRISIS.
Flight from London to Dallas
From Heathrow (LHR), United Kingdom Europe → Dallas/Fort Worth (DFW), USA North America
How long is the flight from London to Dallas?
A nonstop flight from London (LHR) to Dallas (DFW) takes about 9 hours 50 minutes, covering a great-circle distance of 4,740 miles (7,628 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
9h 50m
Nonstop, scheduled
Distance
4,740 mi
7,628 km · great-circle
Avg speed
776 km/h
Door-to-door including taxi
Time zones & jet lag
London timezone
UTC+1
Europe/London
Dallas timezone
UTC-5
America/Chicago
Time difference
-6h
6 hours behind
Jet lag (rough)
~4.2d
Westward — easier
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.