St Louis Regional Airport

IATA ALNICAO KALNMedium airport

St Louis Regional Airport is a medium airport near Alton/St Louis in Illinois, United States. It is listed as IATA ALN and ICAO KALN. The airport is located at 38.8903° / -90.0460° at an elevation of 166 m (544 ft). There are 2 runways, the longest measuring 2,469 m. The nearest airport is Henke Field, 5.9 km (4 mi) away. No scheduled service is recorded for this airfield.

Symbolic aviation imagery (AI-generated) – not a photo of this specific airport.

Map detail of St Louis Regional Airport with runways — Close-up with runways

World map showing the position of St Louis Regional Airport — Overview map

Data

Data
IATA code	`ALN`
ICAO code	`KALN`
Local code	`ALN`
Identifier	`KALN`
Type	Medium airport
City	Alton/St Louis
Region	Illinois
Country	United States
Coordinates	38.89030, -90.04600
Coordinates (deg/min/sec)	38° 53′ 25.08″ N 90° 02′ 45.59″ W
Elevation	166 m (544 ft)
Scheduled service	no

Travel gear that fits

Automatically selected recommendations for a trip to St Louis Regional Airport – based on climate, location and airport type.

Travel adapter A/B
The destination uses socket types A/B at 120 V – the right adapter keeps everything charged.
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Travel guide United States
Background on the country and its people around United States – for after you land.
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Spotting binoculars
Identify registrations and types from the fence – bright and handy.
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Carry-on trolley
Hard-shell case in standard cabin size – fits the overhead bins of most scheduled flights.
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Packable rain jacket
Changeable weather at your destination – windproof, water-repellent and packs down small.
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Insect repellent
Important in tropical regions – protection against bites and transmitted diseases.
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