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GCI to IAH: distance & flight time
Guernsey (Guernsey Airport) → Houston (George Bush Intercontinental Houston Airport)
4,791 mi
7,711 km · 4,164 nm
9h 52m
estimated nonstop flight time
-6h
time difference · heading west
See live GCI→IAH fares Phone-only fares on this route — call free
Flight time details
4,791 miles nonstop takes roughly 9h 52m gate to gate, flying west. 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
- GCI — Guernsey Airport · Guernsey, Guernsey
- 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 GCI
- JER · Jersey Airport24 mi away
- ACI · Alderney Airport26 mi away
- CER · Cherbourg-Maupertus Airport53 mi away
- GFR · Granville Airport60 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 GCI from IAH?
The flight distance from Guernsey (GCI) to Houston (IAH) is 4,791 miles (7,711 km, 4,164 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCI to IAH?
A nonstop flight takes about 9h 52m 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 Guernsey and Houston?
Houston is 6 hours behind Guernsey.
What is the cheapest way to fly from GCI to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCI–IAH that never appear on search engines, with no booking fees.