Heathrow — What’s the correct airport code (and how do I avoid mixing up IATA vs. ICAO)?
I’m tidying up an itinerary and noticed two different Heathrow codes floating around in docs and booking tools. Some references show the IATA code, others show the ICAO code, and a teammate pasted a third code from a flight-tracking app. Before I lock tickets and baggage tags, I want a single, readable page that clearly states Heathrow’s correct codes, names the airport unambiguously, and gives quick context for travelers (so no one ends up labeling their bag with the wrong code again).
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This Heathrow page is the sanity check you want—clear naming, code info in one place, and the kind of concise overview your team can screenshot and stick in the travel thread without further debate: city-info (airports) — london-heathrow airport.