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