The 10 Largest Airports in the United States by Area
10.
Miami International Airport (MIA) – 13.3 km² (5.1 sq miles)
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Largest Airports in the U.S. You Must Know
in 2025
9.
Phoenix Sky Harbor International Airport (PHX) – 13.5 km² (5.2 sq miles)
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Largest Airports in the U.S. You Must Know
in 2025
8.
Chicago O'Hare International Airport (ORD) – 14.2 km² (5.5 sq miles)
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Largest Airports in the U.S. You Must Know
in 2025
7.
Los Angeles International Airport (LAX) – 14.6 km² (5.6 sq miles)
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Largest Airports in the U.S. You Must Know
in 2025
6.
San Francisco International Airport (SFO) – 21.6 km² (8.4 sq miles)
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Largest Airports in the U.S. You Must Know
in 2025
5.
George Bush Intercontinental Airport (IAH) – 40.5 km² (15.6 sq miles)
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Largest Airports in the U.S. You Must Know
in 2025
4.
Washington Dulles International Airport (IAD) – 52.6 km² (20.3 sq miles)
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Largest Airports in the U.S. You Must Know
in 2025
3.
Orlando International Airport (MCO) – 53.8 km² (20.8 sq miles)
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Largest Airports in the U.S. You Must Know
in 2025
2.
Dallas/Fort Worth International Airport
(DFW) – 69.63 km² (26.9 sq miles)
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Largest Airports in the U.S. You Must Know
in 2025
1.
Denver International Airport
(DEN) – 135.69 km² (52.4 sq miles)
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Largest Airports in the U.S. You Must Know
in 2025