$132 Cheap Flights from Asuncion (ASU) to Rosario (ROS)

View $132 flight on Sat, Feb 7, 2026Opens in a new window

Popular airlines from Asuncion (ASU-Silvio Pettirossi Intl.) to Rosario (ROS-Rosario - Islas Malvinas Intl.)

Cheap Flights from Asuncion to Rosario (ASU-ROS)

Prices were available within the past 7 days and start at $132 for one-way flights and $273 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aerolineas Argentinas
Sat, Feb 7 - Sat, Feb 14
ASU
Asuncion
ROS
Rosario
$273 Roundtrip, found 4 days ago
$273
Roundtrip
found 4 days ago
Select Aerolineas Argentinas flight, departing Sat, Feb 7 from Asuncion to Rosario, returning Sat, Feb 14, priced at $273 found 4 days ago
Aerolineas Argentinas
Sat, Feb 7 - Sat, Feb 14
ASU
Asuncion
ROS
Rosario
$303 Roundtrip, found 4 days ago
$303
Roundtrip
found 4 days ago
Select Aerolineas Argentinas flight, departing Sat, Feb 7 from Asuncion to Rosario, returning Sat, Feb 14, priced at $303 found 4 days ago
LATAM Airlines Group
Sat, Feb 7 - Sat, Feb 14
ASU
Asuncion
ROS
Rosario
$313 Roundtrip, found 4 days ago
$313
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sat, Feb 7 from Asuncion to Rosario, returning Sat, Feb 14, priced at $313 found 4 days ago
LATAM Airlines Group
Sat, Feb 7 - Sat, Feb 14
ASU
Asuncion
ROS
Rosario
$329 Roundtrip, found 4 days ago
$329
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sat, Feb 7 from Asuncion to Rosario, returning Sat, Feb 14, priced at $329 found 4 days ago
LATAM Airlines Group
Sat, Feb 7 - Sat, Feb 14
ASU
Asuncion
ROS
Rosario
$337 Roundtrip, found 4 days ago
$337
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sat, Feb 7 from Asuncion to Rosario, returning Sat, Feb 14, priced at $337 found 4 days ago
LATAM Airlines Group
Sat, Feb 7 - Sat, Feb 14
ASU
Asuncion
ROS
Rosario
$342 Roundtrip, found 4 days ago
$342
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sat, Feb 7 from Asuncion to Rosario, returning Sat, Feb 14, priced at $342 found 4 days ago
LATAM Airlines Group
Sat, Feb 7 - Sat, Feb 14
ASU
Asuncion
ROS
Rosario
$356 Roundtrip, found 4 days ago
$356
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sat, Feb 7 from Asuncion to Rosario, returning Sat, Feb 14, priced at $356 found 4 days ago
Aerolineas Argentinas
Sat, Feb 7 - Sat, Feb 14
ASU
Asuncion
ROS
Rosario
$373 Roundtrip, found 4 days ago
$373
Roundtrip
found 4 days ago
Select Aerolineas Argentinas flight, departing Sat, Feb 7 from Asuncion to Rosario, returning Sat, Feb 14, priced at $373 found 4 days ago
LATAM Airlines Group
Sat, Feb 7 - Sat, Feb 14
ASU
Asuncion
ROS
Rosario
$404 Roundtrip, found 4 days ago
$404
Roundtrip
found 4 days ago
Select LATAM Airlines Group flight, departing Sat, Feb 7 from Asuncion to Rosario, returning Sat, Feb 14, priced at $404 found 4 days ago
GOL Linhas Aereas S.A.
Sat, Feb 7 - Sat, Feb 14
ASU
Asuncion
ROS
Rosario
$544 Roundtrip, found 4 days ago
$544
Roundtrip
found 4 days ago
Select GOL Linhas Aereas S.A. flight, departing Sat, Feb 7 from Asuncion to Rosario, returning Sat, Feb 14, priced at $544 found 4 days ago

Frequently asked questions

How much does a flight from Silvio Pettirossi Intl. Airport (ASU) to Rosario - Islas Malvinas Intl. Airport (ROS) cost?
Lock in a cheap one-way flight from $132 or cheap return flight from $273 from Silvio Pettirossi Intl. Airport (ASU) to Rosario - Islas Malvinas Intl. Airport (ROS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Silvio Pettirossi Intl. Airport (ASU) to Rosario - Islas Malvinas Intl. Airport (ROS)?
February is the cheapest month to fly from ASU to ROS. Traveling outside of peak seasons is often the key to finding better fares.
What is the cheapest airline that flies from Silvio Pettirossi Intl. Airport (ASU) to Rosario - Islas Malvinas Intl. Airport (ROS)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from ASU to ROS. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Silvio Pettirossi Intl. Airport (ASU) to Rosario - Islas Malvinas Intl. Airport (ROS)?
Direct flights from Silvio Pettirossi Intl. Airport (ASU) to Rosario - Islas Malvinas Intl. Airport (ROS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ASU to ROS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Silvio Pettirossi Intl. Airport (ASU) to Rosario - Islas Malvinas Intl. Airport (ROS)?
To avoid possible delays on the Silvio Pettirossi Intl. Airport (ASU) to Rosario - Islas Malvinas Intl. Airport (ROS) route, fly before 3 PM. Later departures are 22% more likely to be 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.
Is it cheaper to buy a plane ticket from Silvio Pettirossi Intl. Airport (ASU) to Rosario - Islas Malvinas Intl. Airport (ROS) last-minute?
Last-minute fares from ASU to ROS are generally more expensive. For the lowest rates, start looking for flights as early as possible. That said, if you're flexible with your travel plans, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book an ASU to ROS flight and hotel package?
Compared with arranging hotels and flights separately, booking an ASU to ROS flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of planning your trip. Simply secure your flights and select from our wide range of stays, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Silvio Pettirossi Intl. Airport (ASU) to Rosario - Islas Malvinas Intl. Airport (ROS)?
If you reserved your ASU to ROS flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Silvio Pettirossi Intl.
Destination airport
Rosario - Islas Malvinas Intl.
Roundtrip price
$273
Distance
565 mi

Book with confidence

Book with confidence

Asuncion to Rosario Flights

The cheapest times to fly from Asuncion 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 Asuncion to Rosario are during the month of February. You can find some of the cheapest flights from Asuncion to Rosario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Asuncion to Rosario

Sunday is one of the best days to book for cheap flights from Asuncion 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 Asuncion 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 Asuncion to Rosario in 2025. You can also book with separate airlines for your outbound and return journeys, from $132 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 Asuncion 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 Asuncion 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.

 

Asuncion to Rosario Flights

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*Available to One Key members.