King Fahd International Airport in Riyadh, Saudi Arabia
King Fahd International in Saudi Arabia is the world's biggest airport. - Denver International is second.
Dubai airport
The biggest airport structure in the world is the Boeing Assembly plant on the north side of Paine-Snohomish Airport.
The second biggest in passenger traffic is Beijing Capital Airport in China.
O'hare
NO, -Bangkok is not even in the top 20 airports in the world.
Hit route
I would say Denver International Airport in Denver,
Riyadh's "King Khalid International Airport" is the biggest airport having 484 square/miles. Answered by Shuvo Mahmud:
Incheon airport in South Korea looks like a rabbit. It's the biggest rabbit in the world.
King Fahd International Airport, Saudi Arabiasecond answer. Considerations such as 'biggest' are liable to confusion. Better alternatives to big are - the largest land area; the most populous, the longest.
King Fahd International Airport in Damman, Saudi Arabia is the largest airport in the world in terms of land area (780 km²).
The biggest airport in Germany is in Frankfurt.