Pisco Airport (PIO), officially Capitan FAP Renan Elias Olivera International Airport, is a shared civil-military field, and lounge information here is limited rather than clearly no: any premium space that exists is tied to military or charter operations rather than a public passenger lounge open to card networks or memberships.
Most travellers know Pisco Airport as the jumping-off point for the Paracas National Reserve, the Ballestas Islands, and, most notably, scenic overflights of the Nazca Lines, which several tour operators run directly from here rather than from Lima. That tourism role, not a passenger-lounge role, is what the airport is genuinely built around, and its civil terminal handles a modest flow of visitors heading to and from those attractions rather than a high volume of scheduled airline traffic. Paracas itself is a small coastal town built largely around this eco-tourism and flight-sightseeing trade, giving Pisco Airport a distinctly different rhythm from a typical regional passenger airport.
For an actual airport lounge, Lima's Jorge Chavez International Airport is the realistic comparison: as Peru's main international gateway it carries established lounges, including options that accept Priority Pass and airline-branded premium spaces, in a way a shared civil-military field like Pisco does not. If lounge access is part of your plan, build it around your Lima connection rather than expecting anything at Pisco itself. Booking a Lima stopover with enough buffer time is a sensible way to combine a comfortable lounge wait with your Nazca Lines day trip through Pisco.
Given Pisco's role as a tourism gateway rather than a lounge destination, plan your pre-flight wait around the terminal's general seating, confirm your Nazca Lines or Paracas tour timing in advance, and save any lounge-network membership for Lima before or after this leg of your trip. Dry-season months generally favour clearer overflight conditions, though your tour operator is the best source for current timing advice.