10 Biggest and Busiest Airports in the US (2027)

Here is the list of the 10 Biggest Airports in the USA by their Land Size in 2023

Here is the list of the 11 Busiest Airports in the USA by Estimated Passenger Traffic

What are the biggest Airports in the USA?

Denver International Airport

Denver International Airport is the biggest airport in the United States by land size. Built in 1995, this airport is 33,531 acres (135.6 km2) and has an estimated passenger traffic of 27,148,798, which makes it also one of the busiest airports in the US.

Twenty-three domestic and international airlines fly from/to this airport daily. Some of these big brands are Air Canada, Southwest Airlines, and Lufthansa.

In addition, there are various dining places, shopping places, and relaxation areas, and you can find all the locations on the Denver Airport Map.

This airport is 4 times bigger than Charles de Gaulle Airport in France, which is the biggest airport in Europe.

Dallas/Fort Worth International Airport

Dallas/Fort Worth International Airport is the second biggest airport in the US, and it is planned to be expanded soon to become larger. This airport is located in Texas and is 17,207 acres (69.6 km2) large.

Although this airport is smaller than Denver International Airport in size, it has more estimated passenger traffic, 34,713,649. It is the largest hub for American Airlines, which is headquartered near the airport.

Washington Dulles International Airport

Opened in 1962, this airport is the third biggest in the United States, with 13,000 acres (52.6 km2). This airport is not one of the busiest in terms of estimated passenger traffic, but it is the leading airport in cargo gateway. Washington Dulles offers a cargo-friendly environment with 24-hour operations, no night-time flight restrictions, and the ability to handle the world’s largest aircraft.

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Orlando International Airport

Slightly smaller than Washington Dulles International Airport, Orlando International Airport is the fourth biggest airport in the US. This airport has nonstop service to over 150 destinations worldwide.

Some of the amenities at this airport include, Over 90 shops and 50 restaurants, a full-service bank, currency exchanges, spas, shoe shine, mailbox and shipping drop-boxes, and 11 on-airport rental car companies.

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George Bush Intercontinental Airport

Originally named Houston Intercontinental Airport, George Bush Intercontinental Airport is another big airport in the US that is one of the biggest hubs of United Airlines.

Some of the big airlines operating from/to this airport are Air Canada, Lufthansa, and Qatar Airways.

Salt Lake City International Airport

Salt Lake City International Airport is the sixth biggest airport on our list and is by far the busiest airport in Utah. Opened in 1911, this airport is a civil-military airport and the oldest on our list. 

This airport is expanding in 2023-2034, and 19 new shops and restaurants plus 22 additional gates are being added, which will make this airport even bigger than before.

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O'Hare International Airport

Although O'Hare International Airport is 7th on our list for its size, it is one of the busiest airports in the US in terms of estimated passenger traffic.

O'Hare International Airport (ORD) works as a hub for American Airlines and United Airlines and is a Focus city for Polar Air Cargo and Spirit Airlines.

San Francisco International Airport

San Francisco International Airport is the only chosen airport in California and is the second busiest after Los Angeles International Airport in the state.

The largest Airlines at SFO include: United Airlines, Alaska Airlines, Delta Air Lines, Southwest Airlines, American Airlines, and others.

There are many markets and different types of dining available at this airport. Right outside of the airport, there is the Hyatt Hotel for those who want to stay over a night. The airport is also home to the Louis A. Turpen Aviation Museum and Library.

John F Kennedy International Airport

Opened in the 1940s and officially originally called Idlewild Airport, John F Kennedy International Airport is one of the most famous airports in the US, as it is located in Queens, New York. This airport has four runways, eight terminals, and more than 150 gates.

More than 80 airlines operate to/from this famous airport which is located just 12 miles outside of Manhattan.

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Detroit Metropolitan Airport

Detroit Metropolitan Airport is the last biggest airport on our list, but still a major airport in the United States. The airport is a major hub for Delta Air Lines and is also a base for Spirit Airlines. Detroit serves as Delta's main gateway to Asia for the Eastern United States.

Which US Airports Are the Biggest and the Busiest?

Land size and passenger traffic put these airports in a different order.

• Biggest by land — Denver International Airport covers 33,531 acres, about four times the size of Charles de Gaulle.
• Busiest by passengers — Hartsfield-Jackson Atlanta International leads the passenger table, ahead of Los Angeles and O'Hare.
• Near the top of both — Denver and Dallas/Fort Worth rank high for size and for passenger traffic.
• Airline hubs — Dallas/Fort Worth is the largest hub for American Airlines, while Houston and O'Hare are hubs for United Airlines.

Whether you fly from one of these airports or a smaller one, a fare is easier to judge once you know the normal price for that flight. RatePunk keeps track of what flights from your home airport usually cost, and we alert you when one drops below that price.

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