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ATL to IAH: distance & flight time
Atlanta (Hartsfield Jackson Atlanta International Airport) → Houston (George Bush Intercontinental Houston Airport)
688 mi
1,108 km · 598 nm
1h 58m
estimated nonstop flight time
-1h
time difference · heading west
See live ATL→IAH fares Phone-only fares on this route — call free
Flight time details
688 miles nonstop takes roughly 1h 58m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ATL — Hartsfield Jackson Atlanta International Airport · Atlanta, United States
- 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 ATL
- FTY · Fulton County Airport Brown Field11 mi away
- PDK · DeKalb Peachtree Airport18 mi away
- MGE · Dobbins Air Reserve Base20 mi away
- LZU · Gwinnett County Briscoe Field36 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 ATL from IAH?
The flight distance from Atlanta (ATL) to Houston (IAH) is 688 miles (1,108 km, 598 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ATL to IAH?
A nonstop flight takes about 1h 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 Atlanta and Houston?
Houston is 1 hour behind Atlanta.
What is the cheapest way to fly from ATL to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ATL–IAH that never appear on search engines, with no booking fees.