Flights from ATL to IAH

3 airlines fly nonstop from Hartsfield-Jackson Atlanta International Airport to George Bush Intercontinental Airport. Hartsfield-Jackson Atlanta International Airport (Atlanta) to George Bush Intercontinental Airport (Houston).

Distance
688 mi
Nonstop flight
Varies
Time difference
−1h
Nonstop airlines
3

Fares from ATL to IAH

Checking today’s fares with the airlines.

Nonstop flights

AirlineFromTo
Delta Air LinesATL Hartsfield-Jackson Atlanta International AirportIAH George Bush Intercontinental Airport
Frontier AirlinesATL Hartsfield-Jackson Atlanta International AirportIAH George Bush Intercontinental Airport
United AirlinesATL Hartsfield-Jackson Atlanta International AirportIAH George Bush Intercontinental Airport

Nonstop service as of October 2026. Airlines change schedules seasonally.

Getting from the airport into Houston

IAH

George Bush Intercontinental Airport

23 miles (37 km) from the city centre. 48.4 million passengers in 2024

HowRouteCost
BusMETRO Route 500 IAH Downtown Direct to the George R. Brown Convention Center$4.50 one way
BusMETRO Route 102 Bush IAH Express via Greenspoint and I-45$1.25 (local fare)

Before you go

No passport or visa is needed for domestic travel, but a REAL ID-compliant license or another accepted ID is required to fly within the US.

Houston is 1 hour behind Atlanta. Houston uses the US dollar (USD).

Read the Houston guide: when to go, weather, airports and tips

Frequently asked questions

How long is the flight from ATL to IAH?

Nonstop flight times vary by airline and season; flights with a connection take longer.

Which airlines fly nonstop from ATL to IAH?

As of October 2026, Delta Air Lines, Frontier Airlines and United Airlines fly this route nonstop.

How far is IAH from ATL?

About 688 miles (1,108 km) between the airports.

What is the time difference?

Houston is 1 hour behind Atlanta.

What ID do I need to fly to Houston?

No passport or visa is needed for domestic travel, but a REAL ID-compliant license or another accepted ID is required to fly within the US.

How do I get from George Bush Intercontinental Airport into Houston?

METRO Route 500 IAH Downtown Direct to the George R. Brown Convention Center, $4.50 one way.

Related pages

Sources

Information checked in October 2026. Schedules, fares and entry rules change, so confirm with the airline or the official source before you travel.