✈ IST → LHR
3H 43M FLIGHT. 1,546 MILES. YOUR PHONE WILL DIE.
Flight from Istanbul to London
From Istanbul Airport (IST), Turkey Europe → Heathrow (LHR), United Kingdom Europe
How long is the flight from Istanbul to London?
A nonstop flight from Istanbul (IST) to London (LHR) takes about 3 hours 43 minutes, covering a great-circle distance of 1,546 miles (2,488 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
3h 43m
Nonstop, scheduled
Distance
1,546 mi
2,488 km · great-circle
Avg speed
670 km/h
Door-to-door including taxi
Time zones & jet lag
Istanbul timezone
UTC+3
Europe/Istanbul
London timezone
UTC+1
Europe/London
Time difference
-2h
2 hours behind
Jet lag (rough)
~1.4d
Westward — easier
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3× the CO₂ of an equivalent train trip and 0.7× a car driven alone over the same distance.