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Cheap Flights from Rosario to Buenos Aires

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Rosario

RatePunk searches hundreds of travel sites at once for deals on flights to Buenos Aires

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Rosario to Buenos Aires

Explore current cheapest deals departing from Rosario to Buenos Aires

Round trip

Sort by: Cheapest

June 20 - June 27

Cheapest

Best

Earliest

ROS - Buenos Aires

$133

$75

Round trip

July 3 - July 5

ROS - Buenos Aires

$85

$78

Round trip

September 21 - September 26

ROS - Buenos Aires

$115

$79

Round trip

July 20 - July 30

ROS - Buenos Aires

$72

$84

Round trip

July 20 - August 2

ROS - Buenos Aires

$70

$84

Round trip

July 20 - August 1

ROS - Buenos Aires

$70

$84

Round trip

July 20 - August 6

ROS - Buenos Aires

$69

$84

Round trip

July 20 - July 28

ROS - Buenos Aires

$75

$84

Round trip

July 20 - August 10

ROS - Buenos Aires

$68

$84

Round trip

July 20 - July 29

ROS - Buenos Aires

$75

$84

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Rosario to Buenos Aires

The journey from Rosario to Buenos Aires covers a distance of 298 kilometers, classifying it as a short-haul route. This means you can expect relatively quick travel times between these two cities. Right now, if you are looking for cheap flights from Rosario to Buenos Aires, fares are currently above the typical level, with only 3% of recent fares classified as a good price. Prices typically range from $76–$601, with a median of $247. New deals appear almost daily, offering frequent opportunities to find better prices.

When considering the cheapest time to fly from Rosario to Buenos Aires, you'll find that January stands out with a median fare of $46. Following closely, November offers a median fare of $52, and December presents a median of $53. These months typically offer more budget-friendly options for your travel.

Regarding direct flights from Rosario to Buenos Aires, a meaningful share are non-stop, while the rest connect once. Specifically, 40.7% of recent fares are for non-stop itineraries. For those flights that do include connections, the typical number of stopovers is 1.

A typical journey from Rosario to Buenos Aires, including connections, takes approximately 7h 45m. This median duration accounts for all itineraries, both direct and those with stopovers, reflecting the overall travel time you can expect on this route.

How much is a round trip from Rosario to Buenos Aires

Regular price: $96 - $356

Prices are currently below the regular range.

The regular price range for flights from Rosario to Buenos Aires is $96 to $356. The current lowest deal is $75 with Aerolíneas Argentinas for travel from Jun 20-Jun 27.

now $75

Low $96

High $356

The cheapest time to fly from Rosario to Buenos Aires

The cheapest month to fly from Rosario to Buenos Aires is January, with a median price of $46. The most expensive month is June, with a median price of $416. Prices are generally lower from January to December.

January

Cheapest

Flights from $46

June

Most Expensive

Flights from $416

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Rosario to Buenos Aires

Aerolíneas Argentinas

Last-minute flights going from Rosario to Buenos Aires

Thu, Jun 18

⌛ Last-Minute

ROS - Buenos Aires

Rosario (ROS) - Buenos Aires (EZE)

Aerolíneas Argentinas

$152

$240

One-way

Fri, Jun 19

⌛ Last-Minute

ROS - Buenos Aires

Rosario (ROS) - Buenos Aires (AEP)

Aerolíneas Argentinas

$118

$173

One-way

Sat, Jun 20

⌛ Last-Minute

ROS - Buenos Aires

Rosario (ROS) - Buenos Aires (EZE)

Aerolíneas Argentinas

$133

$75

One-way

Sat, Jun 20

⌛ Last-Minute

ROS - Buenos Aires

Rosario (ROS) - Buenos Aires (EZE)

Aerolíneas Argentinas

$118

$84

One-way

Sat, Jun 20

⌛ Last-Minute

ROS - Buenos Aires

Rosario (ROS) - Buenos Aires (EZE)

Aerolíneas Argentinas

$115

$84

One-way

Sat, Jun 20

⌛ Last-Minute

ROS - Buenos Aires

Rosario (ROS) - Buenos Aires (EZE)

Aerolíneas Argentinas

$151

$93

One-way

Biggest price drops on these dates for flights from Rosario to Buenos Aires

7 nights

Jun 20 - Jun 27

$133 → $75

43%

1 night

Jun 20 - Jun 21

$151 → $93

38%

5 nights

Sep 21 - Sep 26

$115 → $79

31%

12 nights

Jun 20 - Jul 2

$118 → $84

29%

Popular Airports to fly from Rosario to Buenos Aires

Rosario - Buenos Aires route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Rosario to Buenos Aires are above the typical level for this route.

📅 Best time to fly

January is historically cheapest at $46

Historically, January is the cheapest month to fly from Rosario to Buenos Aires, at $46.

⏱️ Flight duration

Typically 7h 45m with stopovers

Flights from Rosario to Buenos Aires typically take 7h 45m, including stopovers.

✈️ Airlines & availability

Aerolíneas Argentinas offers direct flights

Aerolíneas Argentinas offers direct flights. 40.7% of recent deals are direct.

🏆 Airline highlight

Aerolíneas Argentinas has recent direct deals

Aerolíneas Argentinas has had 2 direct deals recently for flights on this route.

🎯 Booking tip

Deals are frequent for this route

Historically, deals for flights from Rosario to Buenos Aires are frequent, with 1 per day.

Rosario main airports to depart from

Rosario – Islas Malvinas International (ROS)

Cheapest

Rosario – Islas Malvinas International Airport is a great option for flights from Rosario to Buenos Aires.

📍 ~15 km from city center

💸 Flights from ~$75

Buenos Aires main airports to arrive at

Ministro Pistarini International (EZE)

Cheapest

EZE is a good option for flights to Buenos Aires, offering competitive prices from Rosario.

📍 ~30 km from Buenos Aires (reachable by car)

💸 Flights from ~$75

Aeroparque Jorge Newbery (AEP)

AEP is a convenient choice for flights to Buenos Aires, providing another arrival airport from Rosario.

📍 ~5 km from Buenos Aires (reachable by car)

💸 Flights from ~$78

Airports nearby Buenos Aires used as alternative

Carrasco International (MVD)

Carrasco International is a major international hub, a reliable alternative for long-haul flights when BUE is congested or expensive.

📍 ~220 km from Buenos Aires (reachable by ferry and car)

💸 Flights from ~$261

Astor Piazzolla International (MDQ)

Cheapest

Astor Piazzolla International is a major domestic hub with consistent service to other Argentine cities.

📍 ~400 km from Buenos Aires (reachable by train, bus, and car)

💸 Flights from ~$166

Capitán de Corbeta Carlos A. Curbelo International (PDP)

Capitán de Corbeta Carlos A. Curbelo International is an international airport with direct links to regional capitals.

📍 ~230 km from Buenos Aires (reachable by ferry and car)

💸 Flights from ~$325

Sauce Viejo (SFN)

Sauce Viejo is a secondary domestic alternative useful for specific domestic connections if ROS or BUE are unavailable.

📍 ~450 km from Buenos Aires (reachable by car)

💸 Flights from ~$200

Business & First Class Flight Deals to Buenos Aires

Discover luxury on the budget with premium cabin class on flights from Rosario to Buenos Aires.

Elite

Best Elite deals to Buenos Aires

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From ROS

Elite

Aug 20

Buenos Aires, Argentina

43% AI deal score

Buenos Aires, Argentina

41% AI deal score

$561

Frequently Asked Questions About Flights to Buenos Aires

Historically, the cheapest flights from Rosario to Buenos Aires are found when booking 60+ days in advance, with an average price of $304. Booking 14-27 days out also offers a relatively low average price of $311. Prices tend to increase significantly for last-minute bookings, with flights within 0-6 days of departure averaging $594. For the best deals, planning well in advance is typically recommended.

Across the trailing quarter, a good deal for a flight from Rosario to Buenos Aires is considered to be $76 or less. The median price for this route historically stands at $247. Prices can go up to $601 or more, so finding a flight at or below the good price threshold represents significant savings. This threshold is based on an analysis of prices over a 90-day window.

Historically, the cheapest months to fly from Rosario to Buenos Aires are January, with a median price of $46, November, with a median price of $52, and December, with a median price of $53. The annual median price for this route is $247. While December is listed among the cheapest months, it also represents the most expensive month based on median prices across a 270-day window.

Related routes

Consider alternative routes from Rosario

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Cheap Flights from Rosario to Buenos Aires

Today’s best flight deals from Rosario to Buenos Aires

Unlock all 500+ flight deals to Buenos Aires and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Rosario to Buenos Aires

How much is a round trip from Rosario to Buenos Aires

The cheapest time to fly from Rosario to Buenos Aires

Direct flights from Rosario to Buenos Aires

Last-minute flights going from Rosario to Buenos Aires

Biggest price drops on these dates for flights from Rosario to Buenos Aires

Popular Airports to fly from Rosario to Buenos Aires

Rosario - Buenos Aires route insights

Recent fares are above the typical level

January is historically cheapest at $46

Typically 7h 45m with stopovers

Aerolíneas Argentinas offers direct flights

Aerolíneas Argentinas has recent direct deals

Deals are frequent for this route

Rosario main airports to depart from

Buenos Aires main airports to arrive at

Airports nearby Buenos Aires used as alternative

Business & First Class Flight Deals to Buenos Aires

Best Elite deals to Buenos Aires

Aug 20

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Frequently Asked Questions About Flights to Buenos Aires

How early should I book Rosario to Buenos Aires flights to get the cheapest price?

How early should I book Rosario to Buenos Aires flights to get the cheapest price?

How do I know if a Rosario to Buenos Aires flight is a good deal?

How do I know if a Rosario to Buenos Aires flight is a good deal?

Which months have the cheapest flights from Rosario to Buenos Aires?

Which months have the cheapest flights from Rosario to Buenos Aires?

How many flights from Rosario to Buenos Aires are non-stop?

How many flights from Rosario to Buenos Aires are non-stop?

How many hours is the flight from Rosario to Buenos Aires?

How many hours is the flight from Rosario to Buenos Aires?

How often do Rosario to Buenos Aires flight prices drop?

How often do Rosario to Buenos Aires flight prices drop?

Related routes

Consider alternative routes from Rosario