Not Sure What “Biggest Airport” Really Means?
The word “Biggest Airport” can mean different things when it comes to airports. Are we talking about how much land it covers, how many people pass through, or how massive the terminal is?
Here’s how it breaks down:
- Largest by land area – How much ground the airport actually takes up
- Busiest by passenger traffic – How many travelers pass through each year
- Biggest terminal – The size of the airport’s main building
Each one has a different winner, and we’ve listed them all below to make it easy to understand.
Top 10 Biggest Airports in the World (2025)
These airports are ranked by total land area, not just terminals or passenger traffic.
| Rank | Airport Name | Location |
|---|---|---|
| 1 | King Fahd International Airport (DMM) | Dammam, Saudi Arabia |
| 2 | Denver International Airport (DEN) | Denver, United States |
| 3 | Dallas/Fort Worth International Airport (DFW) | Texas, United States |
| 4 | Orlando International Airport (MCO) | Florida, United States |
| 5 | Washington Dulles International Airport (IAD) | Virginia, United States |
| 6 | Beijing Daxing International Airport (PKX) | Beijing, China |
| 7 | George Bush Intercontinental Airport (IAH) | Houston, United States |
| 8 | Shanghai Pudong International Airport (PVG) | Shanghai, China |
| 9 | Cairo International Airport (CAI) | Cairo, Egypt |
| 10 | Suvarnabhumi Airport (BKK) | Bangkok, Thailand |
King Fahd International (DMM), Saudi Arabia
The largest airport in the world by land size—covers more area than some small countries.
Denver International (DEN), USA
America’s biggest airport by area, known for its wide layout and mysterious underground rumors.
Dallas/Fort Worth (DFW), USA
A major hub in Texas with nonstop flights worldwide. Huge in size and flight volume.
Orlando International (MCO), USA
Tourist-heavy airport serving Disney and Florida vacations. Spacious and fast-growing.
Washington Dulles (IAD), USA
Handles international traffic into the U.S. capital. Massive land space with future plans for expansion.
Beijing Daxing (PKX), China
Modern, starfish-shaped airport with one of the world’s largest terminals. High-speed trains inside.
George Bush Intercontinental (IAH), USA
A key international gateway in Texas with large land coverage and strong flight connections.
Shanghai Pudong (PVG), China
China’s busiest international airport with wide land coverage and future growth planned.
Cairo International (CAI), Egypt
North Africa’s largest airport, serving as a hub between Europe, Africa, and the Middle East.
Suvarnabhumi (BKK), Thailand
Thailand’s main airport, known for luxury, space, and being a hub for Southeast Asia travel.
Final Thoughts – So, Which One Is Really the Biggest?
The answer depends on what you mean by “biggest.”
- Want land size? → King Fahd, Saudi Arabia
- Looking for passenger traffic? → Atlanta, USA
- Talking about terminal size? → Beijing Daxing, China
Now that you know the difference, your search ends here. No confusion, no mixed answers—just the straight facts you were looking for.
FAQ
Q1: What is the biggest airport in the world by size?
A: King Fahd International Airport in Saudi Arabia. It covers 776 square kilometers.
Q2: Which airport has the most passengers?
A: Hartsfield–Jackson Atlanta (ATL) in the USA is the world’s busiest by passenger numbers.
Q3: What’s the largest airport in Asia?
A: Beijing Daxing International (PKX) has one of the largest terminals in Asia and the world.
Q4: Is Dubai International the biggest airport?
A: Dubai (DXB) is one of the busiest for international travel, but not the biggest by land area.
Q5: Which airport is the newest among the biggest?
A: Beijing Daxing Airport, opened in 2019, is the newest large-scale international airport.