301 airports and airfields in Maryland, of which 9 are large or medium commercial airports. Below are the main ones.
| Airport | IATA | ICAO | City |
|---|---|---|---|
| Baltimore/Washington International Thurgood Marshall Airport | BWI | KBWI | Baltimore |
| Fort Meade Executive Airport | FME | KFME | Fort Meade(Odenton) |
| Hagerstown Regional Richard A Henson Field | HGR | KHGR | Hagerstown |
| Joint Base Andrews | ADW | KADW | Camp Springs |
| Martin State Airport | MTN | KMTN | Baltimore |
| Ocean City Municipal Airport | OCE | KOXB | Ocean City |
| Patuxent River Naval Air Station (Trapnell Field) | NHK | KNHK | Patuxent River |
| Phillips Army Air Field | APG | KAPG | Aberdeen |
| Salisbury Ocean City Wicomico Regional Airport | SBY | KSBY | Salisbury |
See every airport in Maryland — 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.