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LHR to THR: distance & flight time

London (London Heathrow Airport) → Teheran (Mehrabad International Airport)

2,743 mi
4,414 km · 2,384 nm
5h 51m
estimated nonstop flight time
+2.5h
time difference · heading east
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Flight time details

2,743 miles nonstop takes roughly 5h 51m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-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 THR?

The flight distance from London (LHR) to Teheran (THR) is 2,743 miles (4,414 km, 2,384 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from LHR to THR?

A nonstop flight takes about 5h 51m 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 Teheran?

Teheran is 2.5 hours ahead of London.

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

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LHR–THR that never appear on search engines, with no booking fees.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