Oceanair (IATA: TJ) was a regional airline that was based at Luis Muñoz Marín International Airport in San Juan, Puerto Rico. It competed on domestic routes with Prinair; and on routes to the Virgin Islands with Prinair and with Aero Virgin Islands; using propeller-driven aircraft. The airline flew from the late 1970s, when it started flying as Trans Commuter Airline, to the mid-1980s.