If you are booking a flight to Houston or searching for airport transportation you might see the code IAH and wonder about what it means. You are not alone, it is one of the most common questions travelers ask before visiting Houston for the first time. They also wonder what airport is IAH code, where is IAH George Bush Intercontinental Airport and is IAH a big airport.
George Bush Intercontinental Airport is one of the busiest airports in Texas and serves over 48 million passengers every year. It handles both domestic and international flights. Because this airport is too large, many travelers want to understand its terminals, parking options, transportation choices and airline locations before they arrive. Knowing these details before flight, saves their time and makes their travel easier.
This guide explains everything you need to know about IAH Airport, including its location, airport code, size, parking costs, terminals, opening hours, and transportation options.
What Is IAH Airport?
IAH is the airport code for George Bush Intercontinental Airport in Houston, Texas. It is the main international airport in Huston metropolitan area and one of the busiest airports in United States. It handles flights to and from North America, Central and South America, Europe, Asia and the Middle East. United Airlines uses IAH as one of its major hub airports, which means Houston connects directly to a broad range of destinations around the world.
What Does IAH Airport Stand For?
The letters IAH comes from the original name of the airport before it was renamed. The airport opened in 1969 as Houston Intercontinental Airport. The I stands for Intercontinental, the A stands for Airport and the H stands for Houston. When the airport was renamed George Bush Intercontinental Airport in 1997 to honor President George H.W. Bush, who lived in Houston, the IATA code IAH remained in use. Airport codes assigned by the International Air Transport Association do not change when airports are renamed so IAH stuck even after the name change.
Where is IAH George Bush Intercontinental Airport
George Bush Intercontinental Airport is located in north Houston, Texas. The address is 2800 North Terminal Road, Houston, TX 77032. The airport is approximately 23 miles north of downtown Houston. Driving from central Houston takes about 30 to 60 minutes depending upon traffic. The airport is accessible from several major highways including Interstate 45, Beltway 8 and US-59.
How Big Is IAH Airport?
IAH is a very big airport. It covers approximately 10,000 acres of land, which makes it one of the largest airports in the United States. It has five terminals labeled A, B, C, D and E. These terminals are connected by an underground train system called the subway that runs between these terminals and helps passengers to move between them.
Subways allow passengers to move between different terminals without security check. There is also an elevated train called the Skyway that connects terminals within the secured area.
Is IAH a Big Airport?
Most of the passengers ask this question and the answer is Yes. IAH is a big airport by any measure. George Bush Intercontinental served approximately 40 to 53 million passengers annually in recent years, which makes it one of the top airports in the country for passenger volume. United Airlines alone operates hundreds of daily flights out of IAH.
The airport has over 116 gates across its five terminals. It employs hundreds of thousands of people directly and indirectly. There are also dining and retail options which are spread across hundreds of locations across the terminals.
What Airport Code Is IAH? Which Terminal Is Frontier at IAH Airport?
People often search for what airport code is IAH or what airport is IAH code. IAH is the IATA code assigned to George Bush Intercontinental Airport in Houston. Every major airport has a unique three-letter code. Examples include:
| Airport | Code |
| George Bush Intercontinental Airport | IAH |
| Houston Hobby Airport | HOU |
| Dallas Fort Worth Airport | DFW |
| Reagan National Airport | DCA |
| Los Angeles Airport | LAX |
For terminal assignment, different airlines use different terminals at IAH. Here is a general guide.
| Airline | Terminal |
| United Airlines | Terminals B, C, and E |
| American Airlines | Terminal A |
| Delta Air Lines | Terminal E |
| Frontier Airlines | Terminal A |
| International carriers | Terminal D |
| Southwest Airlines | Note: Southwest primarily uses Hobby Airport, not IAH |
Frontier Airlines operates from Terminal A at IAH. If you are flying Frontier, check in and proceed through security at Terminal A. Always confirm your terminal on your boarding pass or airline’s app before travelling because terminal assignments can change.
What Time Does IAH Airport Open?
George Bush Intercontinental Airport is open 24 hours a day and seven days a week. Flights arrive and depart at all hours but most shops, restaurants and services within the terminals operate from early morning to late evening. If you arrive very early in the morning before 5 AM you may find limited dining and retail options until the terminal opens fully.
How Much Is Airport Parking at IAH?
Parking at IAH is available in several different options at different prices.
| Parking Option | Approximate Daily Rate |
| Terminal Garage | $30 to $40 per day |
| Economy Lot | $10 to $14 per day |
| Express Parking | $20 to $28 per day |
| Valet Parking | $40 to $55 per day |
How Far Is Hobby Airport from IAH?
Houston has two major airports IAH and Hobby Airport. Knowing the distance between them is useful when you have connecting flights or want to choose one who is suitable for your specific travel. William P. Hobby Airport is known by airport code HOU and is located in southeast Houston about 29 miles from IAH.
| Route | Distance | Drive Time Off-Peak |
| IAH to Hobby Airport | Approximately 29 miles | 35 to 50 minutes |
| Hobby Airport to IAH | Approximately 29 miles | 35 to 50 minutes |
How Far Is Houston Hobby Airport from IAH in Miles and Time?
George Bush Intercontinental Airport (IAH) is located in north Houston, approximately 23 miles north of downtown. William P. Hobby Airport (HOU) sits in southeast Houston, approximately 7 miles south of downtown. The direct distance between these two airports is approximately 29 to 32 miles depending on the route taken.
During off-peak hours, this drive takes 35 to 50 minutes. During weekday rush hour from 7 to 9 AM and 4 to 7 PM, the same drive takes 60 to 90 minutes or more.
IAH vs Hobby
Both airports serve the Houston area but they attract very different types of traffic. If you are flying United Airlines or an international route IAH is the most suitable airport for you. If you are flying in Southwest Airlines then Hobby is best for you.
| Factor | IAH | Hobby (HOU) |
| Location | North Houston | Southeast Houston |
| Distance to downtown | 23 miles | 7 miles |
| Primary airline | United Airlines | Southwest Airlines |
| International flights | Extensive | Limited |
| Domestic routes | Extensive | Strong for Southwest routes |
| Airport size | Very large, 5 terminals | Medium, 5 concourses |
Getting To and From IAH
Planning transportation to and from matters a lot because flights operate on fixed and tight schedules and they do not change for one person. Getting reliable transportation is necessary for airport travelers, especially for airports which are far away like IAH.
- Driving and parking: It is easy to drive or park for shorter trips but for multi day trips its costs are higher. Economy parking at $10 to $14 per day is the most affordable self-parking option.
- Rideshare: These rides are available at IAH and are a practical option during standard hours. At peak hours they surge prices and availability of drivers also decreases which causes long waiting time and high cancellation rate.
- Pre-booked car service: These are the most suitable option for IAH transportation. Their prices are fixed and the parking area is not rushed like rideshare ones. They serve 24/7 at the same availability so there is no issue for late night arrival or early morning departure.
- Metropolitan Transit Authority (MTA) bus: Bus connections to IAH are available but the journey from central Houston is time consuming and not practical for most travelers with heavy luggage.
IAH Transportation with AA Limousine and Sedan
AA Limousine and Sedan provides reliable airport transportation services for travelers arriving at or departing from George Bush Intercontinental Airport access Houston and the surrounding area. Our professional chauffeurs monitor your flight in real time and in case of any change in flight schedule they adjust their pickup up. You do not need to call or rebook your airport transportation.
We offer meet and greet service at IAH in which our chauffeurs come inside the terminal and meet you at the luggage claim with a signboard or your name. This service is perfect for first time travelers who do not know about the terminal exit and parking areas or travelers with heavy luggage and need someone’s assistance.
Our fleet includes executive sedans, executive SUVs, stretch limousines, luxury executive buses, luxury sprinter buses, motor coaches, and premium party buses. All of our vehicles are latest models and are kept in well-maintained condition. They are equipped with modern amenities for a comfortable travel experience. We clean, sanitize, and inspect every vehicle before each pickup.
Reserve your IAH airport transportation with AA Limousine and Sedan and enjoy a smooth travel experience from start to finish.
FAQs
What does IAH stand for?
IAH stands for the original name of the airport, Houston Intercontinental Airport. The airport opened under that name, and the IATA code IAH was assigned at that time. When the airport was renamed George Bush Intercontinental Airport in 1997, the code IAH remained unchanged.
Which airport is IAH in Houston?
IAH is George Bush Intercontinental Airport, located in Houston approximately 23 miles from downtown. It is Houston’s largest airport and one of the busiest in the United States.
Is IAH a big airport?
Yes. IAH has five terminals, about 116 gates, and serves millions of passengers annually. It is one of the largest airports in the country by both land area and passenger volume.
What terminal is Frontier at IAH airport?
Frontier Airlines operates from Terminal A at George Bush Intercontinental Airport.
How far is Hobby Airport from IAH?
William P. Hobby Airport is approximately 29 miles from IAH. The drive takes 35 to 50 minutes off-peak and 60 to 90 minutes or more during rush hour.
What time does IAH airport open?
The airport is open 24 hours. TSA security lanes begin opening between 4 AM and 5 AM for early morning flights. Dining and retail options open from early morning hours to late evening.
How much does it cost to park at IAH?
Economy parking costs approximately $10 to $14 per day and is the most affordable option. Terminal garage parking costs $30 to $40 per day. Valet parking is available from $40 to $55 per day.