✈ LHR → IST

3H 43M IN THE SKY. THE PERSON NEXT TO YOU WILL TALK.

Flight time
3h 43m
Distance
1,546 mi
Or
2,488 km
Jet lag
2h

Flight from London to Istanbul

From Heathrow (LHR), United Kingdom Europe  →  Istanbul Airport (IST), Turkey Europe

↔ Flying the other way? Istanbul → London

How long is the flight from London to Istanbul?

A nonstop flight from London (LHR) to Istanbul (IST) 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

London timezone

UTC+1

Europe/London

Istanbul timezone

UTC+3

Europe/Istanbul

Time difference

+2h

2 hours ahead

Jet lag (rough)

~2d

Eastward — worse

CO₂ footprint per passenger

Economy class, single passenger. Source: DEFRA 2024 averages.

✈ Flight 304 kg CO₂
🚗 Car (alone) 425 kg CO₂
🚆 Train 102 kg CO₂

This flight emits roughly the CO₂ of an equivalent train trip and 0.7× a car driven alone over the same distance.