Airports / Illinois / DEC
Decatur Airport
KDEC / DECDecatur, IllinoisELEV 682 FT
Google rating
Google reviews
Field elevation
Nearest alternate
Field standing
30 nm
To the nearest alternate
University of Illinois Willard Airport (CMI) — 3 fields within 50 nm.
Overview
Decatur Airport (KDEC / DEC) sits in Decatur, Illinois, where it functions as a mid-sized airport. Field elevation is 682 feet above sea level. Scheduled carriers operate here, and the field also sees regular private and charter activity.
While no charter operators list DEC as their home base, the field is reachable for repositioned charter aircraft from nearby bases. The closest alternate fields are University of Illinois Willard Airport (CMI, 30 nm), Abraham Lincoln Capital Airport (SPI, 37 nm), and Central Illinois Regional Airport at Bloomington-Normal (BMI, 39 nm).
Trip costs from DEC are driven by the aircraft category flown and how far it must reposition. Browse operators flying from the area or estimate a trip cost from DEC to plan your flight.
Field capability
ICAO
KDEC
IATA
DEC
FAA / Local
DEC
Elevation
682 ft
Coordinates
39.8346° N · 88.8657° W
Airspace
D · DeltaClass D — DeltaA control tower runs the immediate airspace. Pilots establish two-way radio contact before entering — typical for busy business-aviation fields.Source: FAA NASR class airspace
Size
Medium
Scheduled svc
Yes
Elevation vs IL fields
state range 321–871 ft
At 682 ft, DEC sits higher than 67% of the 42 Illinois fields on the register.
Access & alternates
Closest alternate fields by great-circle distance — every listing links to its own field brief.
- 30nmCMIUniversity of Illinois Willard AirportSavoy
- 37nmSPIAbraham Lincoln Capital AirportSpringfield
- 39nmBMICentral Illinois Regional Airport at Bloomington-NormalBloomington/Normal
- 63nmPIAGeneral Wayne A. Downing Peoria International AirportPeoria
- 76nmHUFTerre Haute Regional Airport, Hulman FieldTerre Haute
- 79nmALNSt Louis Regional AirportAlton/St Louis
Location
Open the full mapKDEC · Decatur Airport · Decatur, IL
From the ramp
Google Places photography of Decatur Airport — tap any frame to view full-screen, then cycle with the arrows or your keyboard.