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GZW to IAH: distance & flight time
Ghazvin (Qazvin Airport) → Houston (George Bush Intercontinental Houston Airport)
7,340 mi
11,812 km · 6,378 nm
14h 52m
estimated nonstop flight time
-8.5h
time difference · heading northwest
See live GZW→IAH fares Phone-only fares on this route — call free
Flight time details
7,340 miles nonstop takes roughly 14h 52m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8.5-hour time set-back when reading arrival times on your ticket.
The two airports
- GZW — Qazvin Airport · Ghazvin, Iran
- 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 GZW
- PYK · Payam International Airport54 mi away
- RZR · Ramsar Airport58 mi away
- RAS · Sardar-e-Jangal Airport79 mi away
- THR · Mehrabad International Airport80 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 GZW from IAH?
The flight distance from Ghazvin (GZW) to Houston (IAH) is 7,340 miles (11,812 km, 6,378 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GZW to IAH?
A nonstop flight takes about 14h 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 Ghazvin and Houston?
Houston is 8.5 hours behind Ghazvin.
What is the cheapest way to fly from GZW to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GZW–IAH that never appear on search engines, with no booking fees.