Open interactive map →Cheap flights from Buenos Aires to Posadas
Planning a trip from Buenos Aires to Posadas? Current fares start at €48 - a solid entry point for a flight to Argentina. Several airlines compete on this route, which helps keep fares relatively stable. The cheapest fare is non-stop, so no connection time to factor into your schedule. Use the price calendar to identify your cheapest month, then click through to compare live seat availability.
For the best prices on this route, aim to book at least 3-4 weeks in advance. Tuesday and Wednesday departures from Buenos Aires tend to be cheaper than Friday or Sunday flights. If €48 is above your budget, try adjusting to a shoulder-season month using the calendar above - fares can drop significantly outside peak periods. See all flights from Buenos Aires to Argentina→
Cheapest month to fly
- August 2026€48DirectCheapest
Based on tracked fares, August is the cheapest month to fly this route at around €48.
Prices last updated: July 2026
Alternative routes
Frequently asked questions
How much does a flight from Buenos Aires to Posadas cost?
The cheapest fare currently available from Buenos Aires to Posadas is €48. Prices on this route vary by season, day of week, and how far in advance you book. The month-by-month price calendar on this page shows exactly when fares are highest and lowest, so you can pick the most cost-effective window before searching for specific dates. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from Buenos Aires to Posadas?
Yes - non-stop flights are currently available from Buenos Aires to Posadas. The cheapest direct fare starts at €48, making it a convenient option if you want to avoid layover time. Direct flights are generally quicker and less stressful, especially for shorter trips to Argentina. Click through to the booking site to check live availability and schedules for your dates.
When is the cheapest time to fly from Buenos Aires to Posadas?
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from Buenos Aires. The month-by-month price calendar above is the fastest way to identify the cheapest window - look for the months with the lowest fares before committing to travel dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.
Which airlines fly from Buenos Aires to Posadas?
Multiple carriers operate flights between Buenos Aires and Posadas, with availability and pricing varying by date and season. Airline options and schedules change throughout the year, especially around peak travel periods when additional capacity is often added. Click through to our partner booking site to see the full list of airlines, departure times, and fare classes available for your chosen dates.