✈ JFK → LHR
7H 21M FROM NEW YORK TO LONDON. JET LAG IS NOW YOUR PERSONALITY.
Flight from New York to London
From JFK (JFK), USA North America → Heathrow (LHR), United Kingdom Europe
How long is the flight from New York to London?
A nonstop flight from New York (JFK) to London (LHR) takes about 7 hours 21 minutes, covering a great-circle distance of 3,442 miles (5,540 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
7h 21m
Nonstop, scheduled
Distance
3,442 mi
5,540 km · great-circle
Avg speed
754 km/h
Door-to-door including taxi
Time zones & jet lag
New York timezone
UTC-4
America/New_York
London timezone
UTC+1
Europe/London
Time difference
+5h
5 hours ahead
Jet lag (rough)
~5d
Eastward — worse
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.