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IAH to ATL: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Atlanta (Hartsfield Jackson Atlanta International Airport)
688 mi
1,108 km · 598 nm
1h 58m
estimated nonstop flight time
+1h
time difference · heading northeast
See live IAH→ATL fares Phone-only fares on this route — call free
Flight time details
688 miles nonstop takes roughly 1h 58m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- ATL — Hartsfield Jackson Atlanta International Airport · Atlanta, 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 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
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
Frequently asked questions
How far is IAH from ATL?
The flight distance from Houston (IAH) to Atlanta (ATL) is 688 miles (1,108 km, 598 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to ATL?
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.
Are there nonstop flights from IAH to ATL?
Nonstop service on IAH–ATL depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 58m nonstop estimate.
What is the time difference between Houston and Atlanta?
Atlanta is 1 hour ahead of Houston.
What is the cheapest way to fly from IAH to ATL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–ATL that never appear on search engines, with no booking fees.
Why are some IAH to ATL fares phone-only?
Consolidator contracts let us sell certain IAH–ATL tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.