What is the IATA code for London Heathrow Airport?

London Heathrow Airport is identified by the IATA code LHR. This code is an abbreviation derived from the airport's name, with 'L' representing London and 'HR' derived from Heathrow. This format is standard for IATA airport codes, where typically the first letter or letters denote the city, and the subsequent letters represent specific airports within that city.

LHR is widely recognized in the aviation industry and by travelers, making it a convenient identifier for one of the busiest airports in the world. The other codes provided in the choices correspond to different airports: LIM stands for Jorge Chávez International Airport in Lima, CDG is for Charles de Gaulle Airport in Paris, and PRG is the IATA code for Václav Havel Airport in Prague. Each code is unique and tied to specific geographical locations, which is crucial for air travel operations.