The flight from Buenos Aires Aeroparque to Posadas connects Argentina's bustling capital with the subtropical heart of Misiones province, a region renowned for its red earth, lush forests, and proximity to some of South America's most stunning natural wonders. It is a route that appeals equally to business travelers, nature enthusiasts, and anyone curious about a corner of Argentina that feels distinctly different from the rest of the country.
Flights from AEP to PSS typically last around one hour and forty minutes, making it a comfortable domestic hop that saves travelers roughly twelve hours of driving along Route 12. Aerolíneas Argentinas operates the majority of services on this corridor, often scheduling multiple departures throughout the day. Occasionally, low-cost carriers such as Flybondi have also served the route, though availability can shift with seasonal demand. Checking schedules a few weeks in advance is advisable, especially during peak travel periods.
The best time to visit Posadas and the surrounding Misiones province depends on what you are after. The cooler months from May through September offer more pleasant temperatures for exploring outdoor attractions, with less humidity and fewer mosquitoes. However, the warmer months between October and March bring the landscape to its most vibrant state, with waterfalls at full force and the jungle canopy in deep green splendor. Keep in mind that summer heat in Misiones can be intense, often exceeding 35 degrees Celsius with high humidity.
Posadas itself is a relaxed riverside city sitting along the Paraná River, directly across from Encarnación in Paraguay. The Costanera waterfront promenade is a pleasant place to stroll, and the city serves as an excellent base for venturing deeper into the province. Many travelers use Posadas as a starting point to visit the Jesuit ruins of San Ignacio Miní, a UNESCO World Heritage Site, or to continue onward to Iguazú Falls, though Puerto Iguazú has its own airport for those heading there directly.
A few practical tips for this journey: Aeroparque Jorge Newbery is centrally located in Buenos Aires, making it far more convenient than Ezeiza for domestic flights. Arrive at least an hour before departure, as the terminal can get busy during morning and evening rush hours. Once in Posadas, taxis and remises are readily available at the Libertador General José de San Martín Airport for the short ride into town. Travelers heading to smaller towns in Misiones should consider renting a car, as public transport options become limited outside the capital. This route offers a seamless transition from urban energy to subtropical tranquility in under two hours.

