Need help booking?
Unpublished phone-only deals available
THR to LCY: distance & flight time
Teheran (Mehrabad International Airport) → London (London City Airport)
2,721 mi
4,379 km · 2,364 nm
5h 48m
estimated nonstop flight time
-3.5h
time difference · heading northwest
See live THR→LCY fares Phone-only fares on this route — call free
Flight time details
2,721 miles nonstop takes roughly 5h 48m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time set-back when reading arrival times on your ticket.
The two airports
- THR — Mehrabad International Airport · Teheran, Iran
- LCY — London City Airport · London, United Kingdom
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 THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 mi away
Near LCY
- LHR · London Heathrow Airport22 mi away
- LGW · London Gatwick Airport27 mi away
- BQH · London Biggin Hill Airport12 mi away
- NHT · RAF Northolt21 mi away
Frequently asked questions
How far is THR from LCY?
The flight distance from Teheran (THR) to London (LCY) is 2,721 miles (4,379 km, 2,364 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THR to LCY?
A nonstop flight takes about 5h 48m 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 THR to LCY?
Nonstop service on THR–LCY 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 48m nonstop estimate.
What is the time difference between Teheran and London?
London is 3.5 hours behind Teheran.
What is the cheapest way to fly from THR to LCY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THR–LCY that never appear on search engines, with no booking fees.
Why are some THR to LCY fares phone-only?
Consolidator contracts let us sell certain THR–LCY 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.