Ranking the 10 Largest U.S. Airports by Area in 2025
The United States is home to some of the largest airports in the world, which are crucial for managing high passenger and cargo volumes. These airports play a key role in the nation's air travel infrastructure, supporting domestic and international flights.
Denver International Airport (DEN), the largest airport in the United States by land area, continues to set the standard for expansive aviation hubs. Covering 137.26 square kilometers, DEN is a critical gateway and a vital contributor to efficient cargo operations. With 69 million passengers served in 2023, its iconic tented architecture, resembling the Rocky Mountains, underscores its prominence in aviation.
Airports like DEN exemplify the growing importance of infrastructure in meeting the demands of air traffic, which will continue to rise in 2025. These vast spaces facilitate seamless passenger movement, efficient cargo handling, and room for expansion, solidifying their status as essential components of global connectivity.
Following DEN, Dallas/Fort Worth International Airport (DFW) ranks as the second-largest U.S. airport by area, spanning 69.01 square kilometers. In 2023, DFW welcomed 73 million passengers, making it one of the busiest airports in the world. Strategically located between Dallas and Fort Worth, DFW operates five terminals and boasts advanced cargo and ground-handling facilities, enabling smooth operations for domestic and international flights.
Orlando International Airport (MCO), known for its proximity to Florida's major tourist attractions, ranks third in size, covering 53.88 square kilometers. With 54 million passengers in 2023, its modern design and efficient layout accommodate millions of visitors annually. Its robust cargo operations complement its extensive passenger services, reinforcing its importance as a gateway to Florida.
In fourth place, Washington Dulles International Airport (IAD) spans 52.60 square kilometers. Handling 24 million passengers last year, the airport serves as a major hub for United Airlines and connects Washington, D.C., to global destinations. Its futuristic terminal, designed by Eero Saarinen, reflects the innovation needed for efficient international operations.
George Bush Intercontinental Airport (IAH) in Houston ranks fifth, covering 40.47 square kilometers. The airport welcomed 45 million passengers in 2023, serving as a key connection point to cities across the Americas, particularly in Latin America. Its extensive facilities include five terminals and advanced runway systems, supporting passenger and cargo services alike.
Salt Lake City International Airport (SLC), spanning 31.16 square kilometers, is a hub for Delta Airlines. In 2023, it handled 27 million passengers. Recent renovations have enhanced its infrastructure, making it a crucial gateway for travel in the western United States.
Chicago O'Hare International Airport (ORD), covering 30.86 square kilometers, ranks seventh in size but is one of the busiest airports globally. With 83 million passengers served in 2023, its extensive terminal network and efficient operations are vital to connecting the Midwest with international and domestic destinations.
San Francisco International Airport (SFO) ranks eighth, with an area of 21.07 square kilometers. Positioned as a major transpacific hub, SFO handled 58 million passengers last year. Known for its focus on sustainability and luxury services, the airport plays a key role in Pacific Rim connectivity.
John F. Kennedy International Airport (JFK) in New York spans 21.04 square kilometers and ranks ninth. Handling 62 million passengers in 2023, it remains a vital international gateway, connecting New York to cities worldwide. Its six terminals support a high volume of passengers and cargo, making it a key hub for both Delta and American Airlines.
Rounding out the list is Detroit Metropolitan Airport (DTW), covering 19.63 square kilometers. In 2023, the airport served 36 million passengers, providing critical connectivity for the Midwest. As a Delta hub, DTW contributes significantly to regional and national aviation networks.
These airports are designed for efficiency, reducing delays, and enhancing cargo operations. As air traffic grows, their capacity for expansion ensures they remain vital to the U.S. transportation network.
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About the author
A dedicated travel content author at FlyOfinder since 2017. Stephan Mann brings a wealth of knowledge and experience to his writing. His engaging storytelling not only captivates but also guides and informs. Stephan's writing helps readers confidently plan their travels, ensuring every journey is filled with excitement and memorable experiences.
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