United States · 687 miles (1,106 km)

Houston (IAH) to Atlanta (ATL) flights

3 airlines fly nonstop from Houston (IAH) to Atlanta (ATL): Delta Air Lines, Frontier Airlines and United Airlines. The two airports are 687 miles (1,106 km) apart. Delta Air Lines is in SkyTeam and United Airlines is in Star Alliance. There are also 51 ways to fly it with one stop, through Alexandria, Jackson and Birmingham and more.

Airlines flying nonstop from IAH to ATL

Book IAH to ATL with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

IAH to ATL with one stop

51 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Alexandria (AEX)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Jackson (JAN)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Birmingham (BHM)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Montgomery (MGM)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Baton Rouge (BTR)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Lafayette (LFT)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Gulfport (GPT)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Mobile (MOB)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via New Orleans (MSY)United Airlines, then Delta Air Lines, Southwest Airlines and 1 more
    United Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Shreveport (SHV)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Huntsville (HSV)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Pensacola (PNS)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Chattanooga (CHA)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Memphis (MEM)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
  • Via Panama City (ECP)United Airlines, then Delta Air Lines
    United Airlines logo
    Delta Air Lines logo
See all 51 in Routes

IAH to ATL: common questions

Which airlines fly nonstop from IAH to ATL?

Delta Air Lines (SkyTeam), Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Houston (IAH) to Atlanta (ATL).

How far is Houston from Atlanta by plane?

Houston (IAH) and Atlanta (ATL) are 687 miles (1,106 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book IAH to ATL award flights?

21 programs can book at least one of the nonstop airlines: Aeromexico Rewards, Air Canada Aeroplan, Air France-KLM Flying Blue, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, China Eastern Eastern Miles, Delta SkyMiles and 13 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does IAH to ATL cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAH to ATL with taxes and fees.

Where can I connect between Houston and Atlanta?

The most direct connections are through Alexandria (AEX), Jackson (JAN), Birmingham (BHM), Montgomery (MGM) and Baton Rouge (BTR). On 8 of them the same airline flies both flights, for example American Airlines through Dallas.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.