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 Poitiers Biard Airport flight would often be abbreviated as a PIS flight.
For a flight to Poitiers, you will be flying into Biard. Poitiers Biard (PIS) is just 2.1 km from the centre of the city.
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Certainly. Search results for flights to Poitiers shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
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