OPO stands for Porto Airport. Codes like this one are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.
Most people fly into Porto (OPO) if they book a flight to Porto. Porto is conveniently located just 10.9 km from Porto’s city centre.
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Yes, Cheapflights does offer price alerts on Porto flights so you can book your travels when it’s right. The Price Alert feature is available after a flight search is performed above.
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