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LHR to IST: distance & flight time

London (London Heathrow Airport) → Istanbul (Istanbul Airport)

1,546 mi
2,489 km · 1,344 nm
3h 30m
estimated nonstop flight time
+2h
time difference · heading east
See live LHR→IST fares Phone-only fares on this route — call free

Flight time details

1,546 miles nonstop takes roughly 3h 30m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is LHR from IST?

The flight distance from London (LHR) to Istanbul (IST) is 1,546 miles (2,489 km, 1,344 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from LHR to IST?

A nonstop flight takes about 3h 30m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the time difference between London and Istanbul?

Istanbul is 2 hours ahead of London.

What is the cheapest way to fly from LHR to IST?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LHR–IST that never appear on search engines, with no booking fees.
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