Need help booking?
Unpublished phone-only deals available
LAI to IAH: distance & flight time
Lannion (Lannion-Côte de Granit Airport) → Houston (George Bush Intercontinental Houston Airport)
4,773 mi
7,681 km · 4,147 nm
9h 49m
estimated nonstop flight time
-7h
time difference · heading west
See live LAI→IAH fares Phone-only fares on this route — call free
Flight time details
4,773 miles nonstop takes roughly 9h 49m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- LAI — Lannion-Côte de Granit Airport · Lannion, France
- 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 LAI
- MXN · Morlaix-Ploujean Airport19 mi away
- SBK · Saint-Brieuc-Armor Airport32 mi away
- LDV · Landivisiau Air Base35 mi away
- BES · Brest Bretagne Airport48 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 LAI from IAH?
The flight distance from Lannion (LAI) to Houston (IAH) is 4,773 miles (7,681 km, 4,147 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LAI to IAH?
A nonstop flight takes about 9h 49m 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 Lannion and Houston?
Houston is 7 hours behind Lannion.
What is the cheapest way to fly from LAI to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LAI–IAH that never appear on search engines, with no booking fees.