If you’re traveling a lot then you’re surely to have passed some of these enormous airports. If you haven’t then of course you must at least have heard of them!

These are the 25 busiest international airports, sorted by number of total passengers that went through in 2012.

Happy travels!

25 Phoenix Sky Harbor International Airportphx-phoenix-sky-harbor-international-airport-biggest-airports-in-the-world

  • Location: Phoenix, Arizona, United States
  • Airport codes:
    • IATA: PHX
    • ICAO: KPHX
    • FAA LID: PHX
  • Total passengers in 2012: 40,448,932
  • Average daily aircraft operations: 1,200+
  • Number of terminals: 3
  • Number of gates: 106
  • Number of runways: 3

24 McCarran International Airport

  • Location: Las Vegas, Nevada, United States
  • Airport codes:
    • IATA: LAS
    • ICAO: KLAS
    • FAA LID: LAS
  • Total passengers in 2012: 40,799,830
  • Daily aircraft operations: 1,440+
  • Number of terminals: 2 (3 standing, but Terminal 2 was closed in 2012 and will be demolished at a later date)
  • Number of gates: 110
  • Number of runways: 4

las-vegas-mccarran-airport

23 Charlotte Douglas International Airportcharlotte-douglas-international-airport-biggest-airports-in-the-world

  • Location: Charlotte, North Carolina, United States
  • Airport codes:
    • IATA: CLT
    • ICAO: KCLT
    • FAA LID: CLT
  • Total passengers in 2012: 41,228,372
  • Average daily aircraft operations: 1,500+
  • Number of terminals: 1 terminal, divided in 5 concourses
  • Number of gates: 97
  • Number of runways: 4 (5th in planning)

22 San Francisco International Airportsan-fransisco-international-airport-biggest-airports-in-the-world

  • Location: San Mateo County, California, United States
  • Airport codes:
    • IATA: SFO
    • ICAO: KSFO
    • FAA LID: SFO
  • Total passengers in 2012: 44,477,209
  • Daily aircraft operations: 1,150+
  • Number of terminals: 4
  • Number of gates: 101
  • Number of runways: 4

21 Shanghai Pudong International Airportshanghai-pudong-international-airport-biggest-airports-in-the-world

  • Chinese: 上海浦东国际机场
  • Location: Pudong, Shanghai, China
  • Airport codes:
    • IATA: PVG
    • ICAO: ZSPD
  • Total passengers in 2012: 44,857,200
  • Daily aircraft operations (2011): 1,570+
  • Number of terminals: 2
  • Number of gates: 55
  • Number of runways: 3 (4th + 5th in planning)