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THR to LHR: distance & flight time

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

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

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

The flight distance from Teheran (THR) to London (LHR) 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 THR to LHR?

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 Teheran and London?

London is 2.5 hours behind Teheran.

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

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–LHR that never appear on search engines, with no booking fees.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