Atlanta (ATL) to Houston (IAH) flights
3 airlines fly nonstop from Atlanta (ATL) to Houston (IAH): 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 50 ways to fly it with one stop, through Alexandria, Jackson and Birmingham and more.
Airlines flying nonstop from ATL to IAH
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it
- Frontier AirlinesNot in an allianceWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book ATL to IAH with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Aeromexico RewardsBooks Delta Air Lines
- Air Canada AeroplanBooks United Airlines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- JetBlue TrueBlueBooks United Airlines
- Korean Air SKYPASSBooks Delta Air Lines
- Lufthansa Miles & MoreBooks United Airlines
- SAS EuroBonusBooks Delta Air Lines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
ATL to IAH with one stop
50 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Alexandria (AEX)Delta Air Lines, then United Airlines
- Via Jackson (JAN)Delta Air Lines, then United Airlines
- Via Birmingham (BHM)Delta Air Lines, then United Airlines
- Via Montgomery (MGM)Delta Air Lines, then United Airlines
- Via Baton Rouge (BTR)Delta Air Lines, then United Airlines
- Via Lafayette (LFT)Delta Air Lines, then United Airlines
- Via Gulfport (GPT)Delta Air Lines, then United Airlines
- Via Mobile (MOB)Delta Air Lines, then United Airlines
- Via New Orleans (MSY)Delta Air Lines, Southwest Airlines and 1 more, then United Airlines
- Via Shreveport (SHV)Delta Air Lines, then United Airlines
- Via Huntsville (HSV)Delta Air Lines, then United Airlines
- Via Pensacola (PNS)Delta Air Lines, then United Airlines
- Via Chattanooga (CHA)Delta Air Lines, then United Airlines
- Via Memphis (MEM)Delta Air Lines, then United Airlines
- Via Panama City (ECP)Delta Air Lines, then United Airlines
ATL to IAH: common questions
Which airlines fly nonstop from ATL to IAH?
Delta Air Lines (SkyTeam), Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Atlanta (ATL) to Houston (IAH).
How far is Atlanta from Houston by plane?
Atlanta (ATL) and Houston (IAH) 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 ATL to IAH 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 ATL to IAH cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ATL to IAH with taxes and fees.
Where can I connect between Atlanta and Houston?
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.