biggest airports in the us

Discover the 10 Biggest Airports in the U.S. in Terms of Size

When you plan your journey, you may decide which airports you prefer and want to avoid. Most individuals want to get the most traveling experience with some of the largest airports on the globe. Big airports are able to provide more facilities, as is believed.

To fulfil such needs, the United States has made many big airports. Airports like Denver International Airport are large in terms of area. Making the best utilization of space, such airports have plenty of gates, runways, stalls, etc., for the convenience of the passengers. Such biggest airports in the U.S. are what we will be reading about.

Content Summary

These largest airports in the U.S. have been mentioned in our blog:

What is the Biggest Airport in the U.S.?

Airports like DEN Airport, Orlando International Airport, and John F. Kennedy Airport are among the biggest airports in America. The gigantic space they cover is the foremost reason for this. Also, the proper utilization of the occupied space is why they are regarded thus. Including these, we have found 10 airports that fall in the category.

On reading further, you can learn about these big airports.

1. Denver International Airport 

If you want to know what is the biggest airport in the U.S., then you must know about Denver International Airport. Denver International Airport is indeed the biggest of all other airports in the United States because of its massive size. It covers a land area of 135.69 square kilometers. Also, it has 89 gates with two main terminals to meet the growing passenger number. This international airport handles around 61.4 million passengers throughout the year, making it the fifth-busiest airport in the U.S. 

Occupying the DEN Airport code, it has been equipped with six different runways. These runways are the largest runways of the entire USA, measuring 16,000 feet in length.

2. Orlando International Airport 

Coming to the second biggest airport in America, let us read about Orlando International Airport. This airport is indeed an attraction spot for many travelers in the world. It is very close to Walt Disney World. 

MCO was initially McCoy US air force base in 1942. This is the reason why it has an MCO Airport code. It was then subsequently transformed for civilian purposes in 1976, covering about 54 square kilometers or 21 square feet area. The airport has two terminals with 129 gates. These gates allow the easy flow of passengers throughout the airport. Additionally, a total of 44 million passengers fly from this airport each year.

3. Dallas/Fort Worth International Airport

Dallas/Fort Worth International Airport, covering a total area of 70 square kilometers, falls into the third position among the largest airports in the U.S. This airport has five terminals and 191 ports in Denver. Visitors to DFW can enjoy this experience. It provides its international flights worldwide to more than 260 locations.

Dallas Airport saw infinite traffic of 70 million people in the year 2020. Flyers across the globe use the DFW Airport code to quickly find this airport.

4. George Bush Intercontinental Airport

George Bush Intercontinental Airport is undoubtedly among the top 10 biggest airports in the U.S. as United Airlines’ biggest hub. This airport is the primary one in the city of Houston and it is also owned by this city. Holding an area of 15 square miles, this airport sees over 40 million travelers worldwide. Nearly half a million movements of aircraft enter and leave IAH Airport every year. 

5. Washington Dulles International Airport 

Located towards the west of Washington, D.C., Washington Dulles International Airport is spread over an area of 53 square kilometers. It is enormously big. It is considered one of the largest airports in America. Hence, owing to its colossal size, the airport with the IAD Airport code can serve around 22 million people all over the year. 

6. O’Hare International Airport

With its relatively central position in the Midwest, O’Hare International Airport is among the biggest airports in America. It attracts over 80 million people each year. O’Hare is stretched out across 31 square kilometers and has almost one-fifth of the world’s foot traffic, so you can understand how hectic traffic it can be surrounded with at times.

With the ORD Airport code, this airport has seven runways. Its eighth runway is set to open soon. There are 191 different gates in four separate terminals right now. It transports around 75 million passengers each year.

7. San Francisco International Airport

San Francisco International is roughly 13 miles to the south of the city center and lies with around 21.07 km of land. This airport is one of the four airports serving the Bay Area and the only one among the biggest airports in the U.S. 

San Francisco Airport is renowned for being noisy and difficult to navigate according to its enormous foot traffic which averages about 55 million people each year. This airport, which has the SFO Airport code, is equipped with four terminals and 115 gates. The airport is so big and features multiple gates that it gets confusing for passengers at times as to which way to prefer. So, at this large airport, you can have not one but multiple ways to reach the desired spot.

8. John F. Kennedy Airport

Another popular choice for travelers among the largest airports in the U.S. is John F. Kennedy International Airport. It can be found in New York City. Here, it is commonly abbreviated as JFK. This airport, which covers an area of 8 square miles, has eight terminals in total. It serves about 60 million people each year, so it is amongst the most famous airports in America.

Comprising the JFK Airport code, this airport was New York’s biggest airport acquiring 21.04 kilometers of the surface area. It saw around 4,46,459 aircraft movements back in 2017. It is said that JFK Airport is soon going to expand its terminals in the upcoming years with upgraded runways and security. The work on this is still going on and is expected to be done by 2025.

9. Detroit Metropolitan Airport 

One more airport which is very surprising for its size and immense traffic is the Detroit Metropolitan Airport. It is known for being busy most of the time. It has an annual passenger capacity of 34 million passengers. These reasons make this airport included in the top 10 biggest airports in the U.S.

Now, if we talk about the terminals of DTW, it has 4 concourses and 103 gates. This airport, along with its DTW Airport code, grows in popularity as a transit point and a destination. Hence, it will probably expand in the coming years to accommodate more passengers.

10. Salt Lake City International Airport 

Salt Lake City International Airport, located just across Salt Lake City, is around 31 square kilometers in size. Owing to its size, it can carry about 24 million travelers every year, thus, making it amongst the largest international airports in the U.S. This magnificent airport is connected to the Utah Transit Authority’s TRAX system. This allows locals to park outside the airport and commute without having to pay the exorbitant parking fees observed at SLC Airport. 

Known by its SLC Airport code, this airport has recently undergone a series of modifications to guarantee that it can continue to constantly increase traffic.


As you read above, there are around 10 airports that have the most unique specifications. From their passenger traffic and size to their terminals and gates, these specifications make them really big. From Denver International Airport to Salt Lake City International Airport, we discussed the enormous sizes and colossal load cargo capacities of these airports. Hence, they come to be known as the biggest airports in the U.S.

We hope this blog will be helpful to you and now you will use this guide to make your travel plans better.

Which airport was the most impressive concerning its terminals and size? Tell us in the comment box below. Also, keep reading on to know more about such airports in our upcoming blogs.

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