What is the difference between IATA and ICAO airport codes?

IATA codes are usually three-letter passenger-facing codes used on tickets and baggage tags, while ICAO codes are four-letter operational identifiers used by pilots, air traffic control, and flight planning systems.

Can I search by airport name or city instead of a code?

Yes. You can type part of an airport name or municipality and the lookup returns up to ten matching airports, including IATA and ICAO code pairs plus country and coordinates for each result.

Is this airport data fetched from an external API at runtime?

No. The airport index is vendored into the app from the public-domain OurAirports dataset, then queried through our own server route so lookups stay fast and reliable without third-party runtime dependencies.

Why do some cities have multiple airport codes?

Large metro areas often have more than one commercial airport, each with its own IATA and ICAO identifiers. Searching by city returns multiple candidates so you can pick the exact airport serving your route.

Are these airport coordinates suitable for route calculations?

Yes. Latitude and longitude values are airport reference coordinates that are accurate enough for distance estimation, mapping, and planning. Airline dispatch systems may use more detailed waypoints for operational routing.

Does this lookup include every private or military airfield?

No. The tool intentionally focuses on medium and large airports with scheduled passenger service and non-empty IATA codes, which keeps search results relevant for mainstream travel and flight-distance calculations.

Airport Code Lookup (IATA/ICAO)

Type an IATA code, ICAO code, airport, or city name to instantly find matched airports with code pairs, location details, and map-ready coordinates.

Updated June 2026

How to use Airport Code Lookup (IATA/ICAO)

The airport code lookup helps you find airport details from either direction: enter an IATA code like LHR, an ICAO code like EGLL, or a city or airport name to get reliable matches. Results include airport name, IATA and ICAO identifiers, municipality, country code, and map-ready latitude/longitude coordinates. The underlying data is a curated vendored snapshot from the public-domain OurAirports dataset, queried server-side so the full dataset never bloats the client bundle.

Enter at least two characters of an IATA code, ICAO code, city, or airport name.
Press Lookup to query the server-side airport dataset.
Review ranked results, with exact code matches shown first.
Use the returned city, country, and coordinates for itinerary planning, mapping, or follow-on calculations.

IATA vs ICAO codes in practice

IATA codes are three-character labels designed for passenger-facing systems: tickets, boarding passes, baggage tags, and online booking tools. ICAO codes are four-character identifiers designed for operational aviation workflows, including flight plans and air traffic procedures. Many airports have both, but not always in a way that is intuitive from the city name. A dual-lookup tool saves time by accepting either system and returning both codes in one result so travelers and operators can cross-reference quickly.

Example airport identifiers
Airport	City	IATA	ICAO
London Heathrow Airport	London	LHR	EGLL
John F. Kennedy International Airport	New York	JFK	KJFK
Dubai International Airport	Dubai	DXB	OMDB
Islamabad International Airport	Islamabad	ISB	OPIS

How matching priority improves search accuracy

Airport lookup quality depends heavily on ranking logic. If every query used plain substring matching, a short code could return noisy city-name results before the intended airport. This tool applies a deterministic priority: exact IATA match first, exact ICAO match second, then case-insensitive substring matches on airport name and municipality. The approach mirrors how users actually search — code-first when they know it, text-first when they do not — and keeps the top result useful across both workflows.

Worked examples

IATA lookup

Inputs: LHR

Result: London Heathrow Airport · London, GB · ICAO EGLL

ICAO lookup

Inputs: KJFK

Result: John F. Kennedy International Airport · New York, US · IATA JFK

City search

Inputs: Dubai

Result: Returns DXB among ranked airport matches with coordinates

Glossary

IATA code: A three-letter airport identifier used in passenger and commercial travel systems.
ICAO code: A four-letter airport identifier used in flight operations and air traffic systems.
Municipality: The city or locality associated with an airport record in the dataset.
Great-circle distance: The shortest path between two points on a sphere, used for baseline air-distance estimates.

Frequently Asked Questions

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Why use Airport Code Lookup (IATA/ICAO)?

Supports both IATA and ICAO lookups in one search box, reducing back-and-forth between aviation sources
Returns practical location context including city, country, and precise coordinates for each matched airport
Ranks exact code hits before text matches so flight-planning lookups surface the intended airport first
Runs against a vendored server-side dataset for stable performance without third-party runtime dependencies

Common use cases

Confirm the exact airport code before booking travel, filing expenses, or building itinerary exports
Resolve an unfamiliar ICAO code from an operations feed into a recognizable airport and city
Find candidate airports in a metro area when planning connections or overland transfer legs
Pull airport coordinates for quick map plotting, geodesic calculations, or logistics planning

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