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LGW to IAH: distance & flight time
London (London Gatwick Airport) → Houston (George Bush Intercontinental Houston Airport)
4,843 mi
7,795 km · 4,209 nm
9h 58m
estimated nonstop flight time
-6h
time difference · heading northwest
See live LGW→IAH fares Phone-only fares on this route — call free
Flight time details
4,843 miles nonstop takes roughly 9h 58m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- LGW — London Gatwick Airport · London, United Kingdom
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
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 LGW
- LHR · London Heathrow Airport25 mi away
- KRH · Redhill Aerodrome5 mi away
- BQH · London Biggin Hill Airport16 mi away
- ESH · Shoreham Airport22 mi away
Near IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Frequently asked questions
How far is LGW from IAH?
The flight distance from London (LGW) to Houston (IAH) is 4,843 miles (7,795 km, 4,209 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LGW to IAH?
A nonstop flight takes about 9h 58m 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 Houston?
Houston is 6 hours behind London.
What is the cheapest way to fly from LGW to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LGW–IAH that never appear on search engines, with no booking fees.