Airport Code Lookup

Understanding Airport Codes

Airport codes are unique identifiers assigned to airports worldwide to ensure standardized communication in aviation, travel booking, and logistics. The two most common systems are IATA and ICAO.

IATA vs. ICAO Codes

• IATA Codes (3-letter): Governed by the International Air Transport Association. These are the codes you see on your luggage tags and boarding passes (e.g., JFK, LHR, HND). They are primarily used for ticketing, passenger handling, and commercial routing.
• ICAO Codes (4-letter): Governed by the International Civil Aviation Organization. These codes are used primarily by air traffic control, flight tracking systems, and pilots for flight planning (e.g., KJFK, EGLL, RJTT). ICAO codes often provide geographic context; for example, codes starting with 'K' are typically in the contiguous United States, while 'E' denotes Northern Europe.

Why Do I Need to Know Airport Codes?

Knowing the correct airport code is crucial for frequent flyers, digital nomads, and travel planners to avoid costly mistakes. Many major cities have multiple airports (like London's LHR, LGW, STN, LCY) or share names with other cities globally. Using the exact 3-letter IATA code ensures you are booking a flight to the correct destination.