Checked offer from Posadas to Buenos Aires: Bus, about 11h 30min – 13h 45min, from €33. Other options (estimates, not checked against a live listing): Flight. Main companies selling this route on 12Go (checked on October 13, 2026): CRUCERO DEL NORTE, EL COMETA BIS, Crucero del Norte; main departure point: Posadas.
There are 2 ways to get from Posadas to Buenos Aires
Select an option below to see the route details and compare prices. Secure booking via our partner 12go.asia.
Companies selling this route on 12Go
Offers listed on 12Go on October 13, 2026 for a departure on November 3, 2026. Timetables and prices change with the date: check them before booking.
| Company | Mode | Departs from | From | Offers |
|---|---|---|---|---|
| 20 de Junio | Bus | Posadas | €32 | 2 |
| Capital del Monte | Bus | Posadas | €36 | 3 |
| Crucero del Norte | Bus | Posadas | €48 | 7 |
| El Cometa Bis | Bus | Posadas | €48 | 2 |
| CRUCERO DEL NORTE | Bus | Posadas | €51 | 22 |
| EL COMETA BIS | Bus | Posadas | €51 | 12 |
| JetSMART Airlines | Flight | Posadas Airport | €44 | 1 |
| JetSmart | Flight | Posadas Airport | €50 | 2 |
| Aerolineas Argentinas | Flight | Posadas Airport | €54 | 3 |
Activate an eSIM before you go: internet the moment you land, no SIM to swap, zero roaming fees.
Practical tips
During high season (summer, long weekends), coaches and flights can fill up quickly. Booking a few weeks in advance, especially for 'cama' seats or popular flight times, ensures you get your preferred option and avoid disappointment.
For overnight bus journeys, 'cama' seats offer significant recline, wider seats, and often meal service, making for a much more comfortable rest than 'semi-cama'. It’s worth the small price difference for longer trips.
Always plan to arrive at least 30-45 minutes before your bus departure and 2 hours for flights. This allows ample time for check-in, baggage drop, and finding your gate or platform without stress.
Confirm your exact departure terminal and platform beforehand. Bus terminals in large cities can be extensive, and knowing your specific departure point prevents last-minute confusion and missed connections.
Bring a blanket or warm layers, a neck pillow, and snacks. While some services offer meals, having your own comforts can make a long overnight bus journey much more pleasant and ensure a better sleep.
The journey experience
Planning your trip from Posadas to Buenos Aires? You've got two main options: a comfortable overnight bus journey or a quick domestic flight. Knowing which one suits your travel style and budget best is key, especially when you want to make the most of your time in Argentina without unnecessary hassle. We'll help you compare durations and price ranges side-by-side, so you can make an informed decision instantly.
For the bus, expect a journey of approximately 12 hours, with tickets starting around 33€. This is a great choice for budget-conscious travelers who don't mind an overnight trip, often arriving refreshed after a semi-cama or cama seat. If speed is your priority, a flight will get you there in just about 2 hours, with prices beginning at 45€. Airlines like Aerolíneas Argentinas or Flybondi typically operate this route, offering a swift connection to the capital.
Argentina's vastness means choosing wisely between ground and air travel. While a flight from Posadas to Buenos Aires saves significant time, the bus offers a more economical option and a chance to experience the country's extensive coach network. Consider your overall itinerary: if you're tight on time or connecting to another flight from Buenos Aires, flying is the smarter choice. Otherwise, a bus can be a relaxed way to cover the distance, especially if you enjoy the scenic route or prefer to save your budget for other experiences.
Frequently asked questions — Posadas → Buenos Aires
Travel by bus generally starts around 33€ for a 12-hour journey. Flights are typically priced from 45€, offering a much faster 2-hour trip. Prices vary based on booking in advance, seat class for buses (semi-cama vs. cama), and airline promotions for flights. Comparing both options helps you find the best value for your budget and schedule.
By bus, the journey from Posadas to Buenos Aires takes approximately 12 hours, typically as an overnight trip. If you opt for a flight, the travel time is significantly shorter, around 2 hours. This excludes time for airport transfers and check-in, which should also be factored into your total travel duration.
The best option depends on your priorities. If saving time is crucial, flying is definitely better, getting you there in 2 hours. If you're on a tighter budget and don't mind an overnight journey, the 12-hour bus trip is a comfortable and cost-effective alternative. Consider if you prefer to save on accommodation by traveling overnight or if you need to quickly reach Buenos Aires for connections.
For both buses and flights, it's advisable to book at least 1-2 weeks in advance, especially if you are traveling during high season (e.g., Argentine summer from December to February, Easter, or long weekends). For the best prices and seat availability, booking even further out can be beneficial, particularly for 'cama' bus seats or specific flight times.
Why visit Buenos Aires?
- ✓ Wander through the historic streets of San Telmo and discover its vibrant Sunday fair.
- ✓ Experience the passion of a live Tango show in a traditional 'milonga' or 'tango libre'.
- ✓ Explore the colourful Caminito in La Boca, with its unique art and street performers.
- ✓ Visit the majestic Colón Theatre, one of the world's finest opera houses.
- ✓ Indulge in an authentic 'asado' (Argentine barbecue) experience with world-class Malbec wine.
When to visit Buenos Aires?
CLIMAT SUBTROPICAL HUMIDE
September to November (spring) or March to May (autumn) — pleasant temperatures, fewer crowds, and vibrant colours.
What to do in Buenos Aires?
Local experiences, must-see sights and activities selected for you
How long to visit Buenos Aires?
For a comprehensive exploration of Buenos Aires, including its main attractions and a taste of its vibrant culture, plan for at least 5 days. With 7-10 days, you can delve deeper into specific neighborhoods, enjoy day trips, and savor the city's nightlife without rush. To truly capture the essence of the city, dedicate ample time to wandering its diverse barrios and enjoying its cafe culture.
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