The cheapest times to fly from ROS to AEP are

  • May 7th to July 1st (except the week of May 21st)
  • July 16th to August 5th (except the week of July 23rd)
  • August 20th to September 30th
  • October 22nd to February 4th (except the weeks of November 5th, November 12th, and January 15th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ROS to AEP is early September. Prices can be as high as $140 for Thursday flights during mid February, or as low as $52 for Sunday flights around early September.


When to Fly to Buenos Aires

Flying from Rosario (ROS) to Buenos Aires (AEP) will usually cost between $54 to $92 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $55. Due to high demand the most expensive time to fly is mid February, with an average price of $83. Planning your trip to low-cost times can easily save you $28 on economy flights and even more on first-class flights. Generally, any price below $64 can be considered a good price for a round-trip ROS to AEP flight.

See below for a graph of average weekly prices for the ROS to AEP route. All prices are for round-trip tickets in USD.

ROS to AEP Flight Prices

Compared to other flights, the ROS to AEP flight is much cheaper than the average and costs much less than the average flight leaving from Rosario. The average price per mile (for a direct flight) is $0.22, which is below average.


Flight Prices by Day of the Week

Sunday is usually the cheapest day to depart and return on this flight. Thursdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $16 (21%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Sunday and returning a week later will cost an average of $61. Return trip prices are from the AEP to ROS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ROS to AEP can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 18 minutes may be realistic.


Flight Questions Answered

Still have questions about flying from ROS to AEP? We’ve got answers.

Which airlines fly this route?

You can find 2 major airlines flying this route most often: Aerolineas Argentinas, LATAM, and potentially more during busy seasons.

How far away is it from Aeroparque Jorge Newbery Airport to Rosario Airport?

The distance between the two airports is roughly 178 miles or 286 kilometers.

How long does it take to fly from ROS to AEP?

The real-world flight time for a nonstop ROS to AEP flight is about 1 hour 18 minutes.

How many flights go between Rosario and Buenos Aires?

It depends on the day of the week and the date, but a typical day might have around 67 available flights from ROS to AEP.


Airport Location Info


Departing Airport

Origination code ROS
Origination airport name Rosario Airport
City Rosario
Country Argentina
Latitude -32.9
Longitude -60.8

Return Airport

Destination code AEP
Destination airport name Aeroparque Jorge Newbery Airport
City Buenos Aires
Country Argentina
Latitude -34.6
Longitude -58.4


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.