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NHT to THR: distance & flight time
Northolt (RAF Northolt) → Teheran (Mehrabad International Airport)
2,741 mi
4,412 km · 2,382 nm
5h 51m
estimated nonstop flight time
+3.5h
time difference · heading east
See live NHT→THR fares Phone-only fares on this route — call free
Flight time details
2,741 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 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- NHT — RAF Northolt · Northolt, United Kingdom
- THR — Mehrabad International Airport · Teheran, Iran
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near NHT
- LHR · London Heathrow Airport6 mi away
- LGW · London Gatwick Airport30 mi away
- HYC · Wycombe Air Park17 mi away
- LCY · London City Airport21 mi away
Near THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 mi away
Frequently asked questions
How far is NHT from THR?
The flight distance from Northolt (NHT) to Teheran (THR) is 2,741 miles (4,412 km, 2,382 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NHT 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.
Are there nonstop flights from NHT to THR?
Nonstop service on NHT–THR depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 5h 51m nonstop estimate.
What is the time difference between Northolt and Teheran?
Teheran is 3.5 hours ahead of Northolt.
What is the cheapest way to fly from NHT to THR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NHT–THR that never appear on search engines, with no booking fees.
Why are some NHT to THR fares phone-only?
Consolidator contracts let us sell certain NHT–THR tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.