This is just an IATA (International Air Transport Association) code. IATA codes are used in aviation to identify and differentiate airports. That’s why a Columbia Regional Airport flight would often be abbreviated as a COU flight.
Booking a flight to Columbia Regional (COU) is your only option if you intend on flying to Columbia. It is only a 17.8 km journey from Columbia Regional to Columbia’s city centre.
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Certainly. Search results for flights to Columbia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
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