$51 Cheap Flights from Buenos Aires (AEP) to Rosario (ROS)

View $51 flight on Mon, Sep 8, 2025Opens in a new window

Popular airlines from Buenos Aires (AEP-Aeroparque Jorge Newbery) to Rosario (ROS-Rosario - Islas Malvinas Intl.)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Buenos Aires to Rosario (AEP-ROS)

Prices were available within the past 7 days and start at $51 for one-way flights and $101 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aerolineas Argentinas
Sat, Aug 2 - Sat, Aug 9
AEP
Buenos Aires
ROS
Rosario
$101 Roundtrip, found 2 hours ago
$101
Roundtrip
found 2 hours ago
Select Aerolineas Argentinas flight, departing Sat, Aug 2 from Buenos Aires to Rosario, returning Sat, Aug 9, priced at $101 found 2 hours ago
Aerolineas Argentinas
Sat, Aug 2 - Tue, Aug 12
AEP
Buenos Aires
ROS
Rosario
$102 Roundtrip, found 2 hours ago
$102
Roundtrip
found 2 hours ago
Select Aerolineas Argentinas flight, departing Sat, Aug 2 from Buenos Aires to Rosario, returning Tue, Aug 12, priced at $102 found 2 hours ago
Aerolineas Argentinas
Fri, Aug 1 - Sat, Aug 9
AEP
Buenos Aires
ROS
Rosario
$104 Roundtrip, found 2 hours ago
$104
Roundtrip
found 2 hours ago
Select Aerolineas Argentinas flight, departing Fri, Aug 1 from Buenos Aires to Rosario, returning Sat, Aug 9, priced at $104 found 2 hours ago
Aerolineas Argentinas
Fri, Aug 1 - Tue, Aug 12
AEP
Buenos Aires
ROS
Rosario
$106 Roundtrip, found 2 hours ago
$106
Roundtrip
found 2 hours ago
Select Aerolineas Argentinas flight, departing Fri, Aug 1 from Buenos Aires to Rosario, returning Tue, Aug 12, priced at $106 found 2 hours ago
Aerolineas Argentinas
Sat, Aug 16 - Sat, Aug 23
AEP
Buenos Aires
ROS
Rosario
$108 Roundtrip, found 1 hour ago
$108
Roundtrip
found 1 hour ago
Select Aerolineas Argentinas flight, departing Sat, Aug 16 from Buenos Aires to Rosario, returning Sat, Aug 23, priced at $108 found 1 hour ago
Aerolineas Argentinas
Fri, Aug 1 - Sat, Aug 2
AEP
Buenos Aires
ROS
Rosario
$111 Roundtrip, found 1 day ago
$111
Roundtrip
found 1 day ago
Select Aerolineas Argentinas flight, departing Fri, Aug 1 from Buenos Aires to Rosario, returning Sat, Aug 2, priced at $111 found 1 day ago
Aerolineas Argentinas
Thu, Aug 7 - Sun, Aug 10
AEP
Buenos Aires
ROS
Rosario
$112 Roundtrip, found 22 hours ago
$112
Roundtrip
found 22 hours ago
Select Aerolineas Argentinas flight, departing Thu, Aug 7 from Buenos Aires to Rosario, returning Sun, Aug 10, priced at $112 found 22 hours ago
Aerolineas Argentinas
Mon, Sep 1 - Thu, Sep 11
AEP
Buenos Aires
ROS
Rosario
$114 Roundtrip, found 1 day ago
$114
Roundtrip
found 1 day ago
Select Aerolineas Argentinas flight, departing Mon, Sep 1 from Buenos Aires to Rosario, returning Thu, Sep 11, priced at $114 found 1 day ago
Aerolineas Argentinas
Mon, Aug 4 - Sat, Aug 9
AEP
Buenos Aires
ROS
Rosario
$118 Roundtrip, found 2 hours ago
$118
Roundtrip
found 2 hours ago
Select Aerolineas Argentinas flight, departing Mon, Aug 4 from Buenos Aires to Rosario, returning Sat, Aug 9, priced at $118 found 2 hours ago
Aerolineas Argentinas
Fri, Aug 1 - Sat, Aug 2
AEP
Buenos Aires
ROS
Rosario
$121 Roundtrip, found 1 day ago
$121
Roundtrip
found 1 day ago
Select Aerolineas Argentinas flight, departing Fri, Aug 1 from Buenos Aires to Rosario, returning Sat, Aug 2, priced at $121 found 1 day ago
0
Flights from Buenos Aires (AEP) to Rosario (ROS)
Origin airport
Aeroparque Jorge Newbery
Destination airport
Rosario - Islas Malvinas Intl.
Airlines serving
Aerolineas Argentinas
Roundtrip price
$101
Distance
176 mi

Buenos Aires to Rosario Flights

The cheapest times to fly from Buenos Aires to Rosario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buenos Aires to Rosario are during the month of August. You can find some of the cheapest flights from Buenos Aires to Rosario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buenos Aires to Rosario

Sunday is one of the best days to book for cheap flights from Buenos Aires to Rosario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buenos Aires to Rosario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buenos Aires to Rosario in 2025. You can also book with separate airlines for your outbound and return journeys, from $51 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buenos Aires to Rosario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buenos Aires to Rosario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Aeroparque Jorge Newbery Airport (AEP) to Rosario - Islas Malvinas Intl. Airport (ROS) cost?
Cheap round-trip flights from Aeroparque Jorge Newbery Airport (AEP) to Rosario - Islas Malvinas Intl. Airport (ROS) start from $100. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Aerolineas Argentinas flight leaving AEP on July 26 2025 and touching down at ROS. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from AEP to ROS?
The cheapest flights from AEP to ROS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Aeroparque Jorge Newbery Airport (AEP) to Rosario - Islas Malvinas Intl. Airport (ROS)?
When departing from Aeroparque Jorge Newbery Airport (AEP), you can get on a nonstop flight to Rosario - Islas Malvinas Intl. Airport (ROS) with Aerolineas Argentinas.
What is the cheapest airline that flies from AEP to ROS?
Currently, the cheapest carrier operating one-way flights from AEP to ROS is Aerolineas Argentinas. You can take off on this route from $50. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from AEP on August 3 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Aeroparque Jorge Newbery Airport (AEP) to Rosario - Islas Malvinas Intl. Airport (ROS)?
When jetting out of Aeroparque Jorge Newbery Airport (AEP), you'll have your pick from an average of 2 daily direct flights to Rosario - Islas Malvinas Intl. Airport (ROS).
What are the most popular departure times for flights from Aeroparque Jorge Newbery Airport (AEP) to Rosario - Islas Malvinas Intl. Airport (ROS)?
Flights between AEP and ROS are busiest at 6 AM. If you want a more relaxed trip and potentially cheaper prices, choose a departure that's outside typical rush times.
What day of the week has the most flights from AEP to ROS?
If you fly on a Friday, you'll get the largest range of options for flights from Aeroparque Jorge Newbery Airport (AEP) to Rosario - Islas Malvinas Intl. Airport (ROS).
What is the earliest flight from Aeroparque Jorge Newbery Airport (AEP) to Rosario - Islas Malvinas Intl. Airport (ROS)?
The earliest flight taking off from Aeroparque Jorge Newbery Airport (AEP) is at around 6:35AM UTC-3. Hop on this flight and you'll reach Rosario - Islas Malvinas Intl. Airport (ROS) at approximately 7:35AM UTC-3. The total flight duration is 1h.
How long does it take to fly from Aeroparque Jorge Newbery Airport (AEP) to Rosario - Islas Malvinas Intl. Airport (ROS)?
It takes around 1 hour to travel the 180 mi from AEP to ROS.
What is the best time to fly from Aeroparque Jorge Newbery Airport (AEP) to Rosario - Islas Malvinas Intl. Airport (ROS)?
To arrive at Rosario - Islas Malvinas Intl. Airport (ROS) on schedule, opt for a flight that leaves from Aeroparque Jorge Newbery Airport (AEP) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Rosario from Aeroparque Jorge Newbery Airport (AEP)?
Rosario - Islas Malvinas Intl. Airport (ROS) is the only airport in Rosario with direct flights from Aeroparque Jorge Newbery Airport (AEP). Check out the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Aeroparque Jorge Newbery Airport (AEP) to Rosario - Islas Malvinas Intl. Airport (ROS) last-minute?
Last-minute bookings from AEP to ROS are generally more expensive. For the lowest prices, start searching for flights as early as possible. That said, if you can play around with your travel dates, you may find a cheap ticket right before your journey.
Is it cheaper to book an AEP to ROS flight and hotel package?
Securing an AEP to ROS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our wide range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Aeroparque Jorge Newbery Airport (AEP) to Rosario - Islas Malvinas Intl. Airport (ROS)?
You can usually cancel or reschedule your AEP to ROS flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.