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DEF to IAH: distance & flight time
Dezful (Dezful Airport) → Houston (George Bush Intercontinental Houston Airport)
7,514 mi
12,092 km · 6,529 nm
15h 12m
estimated nonstop flight time
-8.5h
time difference · heading northwest
See live DEF→IAH fares Phone-only fares on this route — call free
Flight time details
7,514 miles nonstop takes roughly 15h 12m 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
- DEF — Dezful Airport · Dezful, 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 DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 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 DEF from IAH?
The flight distance from Dezful (DEF) to Houston (IAH) is 7,514 miles (12,092 km, 6,529 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEF to IAH?
A nonstop flight takes about 15h 12m 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 Dezful and Houston?
Houston is 8.5 hours behind Dezful.
What is the cheapest way to fly from DEF to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEF–IAH that never appear on search engines, with no booking fees.