$50 Cheap Flights from Rosario (ROS) to Buenos Aires (AEP)

View $50 flight on Mon, Aug 11, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $50 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
Sun, Sep 7 - Thu, Sep 11
ROS
Rosario
AEP
Buenos Aires
$101 Roundtrip, found 13 hours ago
$101
Roundtrip
found 13 hours ago
Select Aerolineas Argentinas flight, departing Sun, Sep 7 from Rosario to Buenos Aires, returning Thu, Sep 11, priced at $101 found 13 hours ago
Aerolineas Argentinas
Sat, Aug 9 - Wed, Aug 13
ROS
Rosario
AEP
Buenos Aires
$101 Roundtrip, found 2 days ago
$101
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Sat, Aug 9 from Rosario to Buenos Aires, returning Wed, Aug 13, priced at $101 found 2 days ago
Aerolineas Argentinas
Sun, Aug 10 - Tue, Aug 26
ROS
Rosario
AEP
Buenos Aires
$102 Roundtrip, found 2 days ago
$102
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Sun, Aug 10 from Rosario to Buenos Aires, returning Tue, Aug 26, priced at $102 found 2 days ago
Aerolineas Argentinas
Sat, Aug 9 - Tue, Aug 26
ROS
Rosario
AEP
Buenos Aires
$103 Roundtrip, found 2 days ago
$103
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Sat, Aug 9 from Rosario to Buenos Aires, returning Tue, Aug 26, priced at $103 found 2 days ago
Aerolineas Argentinas
Wed, Sep 24 - Mon, Oct 6
ROS
Rosario
AEP
Buenos Aires
$104 Roundtrip, found 2 days ago
$104
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Wed, Sep 24 from Rosario to Buenos Aires, returning Mon, Oct 6, priced at $104 found 2 days ago
Aerolineas Argentinas
Wed, Sep 17 - Wed, Oct 1
ROS
Rosario
AEP
Buenos Aires
$106 Roundtrip, found 2 days ago
$106
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Wed, Sep 17 from Rosario to Buenos Aires, returning Wed, Oct 1, priced at $106 found 2 days ago
Aerolineas Argentinas
Mon, Aug 11 - Fri, Aug 15
ROS
Rosario
AEP
Buenos Aires
$107 Roundtrip, found 13 hours ago
$107
Roundtrip
found 13 hours ago
Select Aerolineas Argentinas flight, departing Mon, Aug 11 from Rosario to Buenos Aires, returning Fri, Aug 15, priced at $107 found 13 hours ago
Aerolineas Argentinas
Thu, Sep 25 - Mon, Sep 29
ROS
Rosario
AEP
Buenos Aires
$111 Roundtrip, found 13 hours ago
$111
Roundtrip
found 13 hours ago
Select Aerolineas Argentinas flight, departing Thu, Sep 25 from Rosario to Buenos Aires, returning Mon, Sep 29, priced at $111 found 13 hours ago
Aerolineas Argentinas
Thu, Jan 15 - Sat, Jan 24
ROS
Rosario
AEP
Buenos Aires
$111 Roundtrip, found 2 days ago
$111
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Thu, Jan 15 from Rosario to Buenos Aires, returning Sat, Jan 24, priced at $111 found 2 days ago
Aerolineas Argentinas
Wed, Aug 27 - Sun, Aug 31
ROS
Rosario
AEP
Buenos Aires
$112 Roundtrip, found 2 days ago
$112
Roundtrip
found 2 days ago
Select Aerolineas Argentinas flight, departing Wed, Aug 27 from Rosario to Buenos Aires, returning Sun, Aug 31, priced at $112 found 2 days ago

Alternative airports near Buenos Aires

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Aeroparque Jorge Newbery AEP. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $108
AEP
Aeroparque Jorge Newbery
CheapestClosest
Average driving time to city center11 min
Flights from $108
0
Flights from Rosario (ROS) to Buenos Aires (AEP)
Origin airport
Rosario - Islas Malvinas Intl.
Destination airport
Aeroparque Jorge Newbery
Airlines serving
Aerolineas Argentinas
Roundtrip price
$100
Distance
176 mi

Rosario to Buenos Aires Flights

The cheapest times to fly from Rosario to Buenos Aires

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 Rosario to Buenos Aires are during the month of September. You can find some of the cheapest flights from Rosario to Buenos Aires with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Rosario to Buenos Aires: 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 Rosario to Buenos Aires

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 Rosario to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from $50 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 Rosario to Buenos Aires 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 Rosario to Buenos Aires 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 Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP) cost?
Cheap round-trip fares from Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP) start from $101. 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 ROS on August 10 2025 and touching down at AEP. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from ROS to AEP?
The cheapest flights from ROS to AEP 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 Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP)?
Fly nonstop from Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP) on an Aerolineas Argentinas flight.
What is the cheapest airline that flies from ROS to AEP?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ROS to AEP. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP)?
With, on average, 2 direct flights that operate from Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP) daily, you'll be jetting off in no time.
What are the most popular departure times for flights from Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP)?
More passengers fly between ROS and AEP at 7 PM than at any other time. Prefer a quieter experience? Pick a flight outside the busiest times and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from ROS to AEP?
If you jet off on a Friday, you'll get the biggest range of options for flights from Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP).
What is the earliest flight from Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP)?
The first flight of the day jetting off from Rosario - Islas Malvinas Intl. Airport (ROS) is at around 8:20AM UTC-3. Board this flight and you'll land at Aeroparque Jorge Newbery Airport (AEP) at approximately 9:15AM UTC-3. The total time in the air is 55m.
How long does it take to fly from Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP)?
The average flight duration from ROS to AEP is 55 minutes, covering a distance of 180 mi.
What airline has the least delays from ROS to AEP?
Aerolineas Argentinas has the strongest track record for on-time direct flights from Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP), with an on-time rating of 87%. Use the Expedia App to look up your journey status before you take off and get immediate updates about any changes.
What is the best time to fly from Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP)?
To avoid potential delays on the Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP) route, travel before 3 PM. Later departures have a 22% higher chance of being canceled.**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 Buenos Aires from Rosario - Islas Malvinas Intl. Airport (ROS)?
Aeroparque Jorge Newbery Airport (AEP) is the only airport in Buenos Aires with direct flights from Rosario - Islas Malvinas Intl. Airport (ROS). Explore the options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP) last-minute?
Booking your ticket from ROS to AEP just before your journey is typically more expensive. But if you're flexible with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a ROS to AEP flight and hotel package?
Booking a ROS to AEP flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Rosario - Islas Malvinas Intl. Airport (ROS) to Aeroparque Jorge Newbery Airport (AEP)?
Usually, it's possible to reschedule or cancel your ROS to AEP flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.