173 airports and airfields in Connecticut, of which 6 are large or medium commercial airports. Below are the main ones.
| Airport | IATA | ICAO | City |
|---|---|---|---|
| Bradley International Airport | BDL | KBDL | Hartford |
| Danbury Municipal Airport | DXR | KDXR | Danbury |
| Groton New London Airport | GON | KGON | Groton |
| Hartford Brainard Airport | HFD | KHFD | Hartford |
| Igor I Sikorsky Memorial Airport | BDR | KBDR | Bridgeport |
| Tweed New Haven Airport | HVN | KHVN | New Haven |
See every airport in Connecticut — including general aviation fields, heliports and seaplane bases — with runways, elevation and the nearest airports: search the airport directory.
IATA codes (three letters) are used by airlines and passengers; ICAO codes (four letters) by air-traffic control. The first letter of a US ICAO code is usually K.