Cheap flights from Rosario to Buenos Aires from $42 ROS → AEP, EZE
Fisherton Airport (ROS) → Jorge Newbery Airport (AEP), Ministro Pistarini Airport (EZE)
The cheapest one-way found recently is $42 with Aerolineas Argentinas, 3 Dec, found yesterday.
- Cheapest one-way found recently
- $42, Aerolineas Argentinas, found yesterday
- Cheapest month to fly
- December 2026, one-way fares from $42 found in the last 7 days
- Airlines with nonstop flights
- Aerolineas Argentinas
- Shortest nonstop flight found
- 55 min
One-way
The cheapest one-way fare on each of 5 departure dates is usually $43 to $54.
Cheapest one-way found recently
$42
3 Dec · Aerolineas Argentinas
Fisherton Airport (ROS) → Ministro Pistarini Airport (EZE)
Leaves 8:30 p.m. · 55 min trip
nonstop
found yesterday
Cheapest nonstop one-way
$42
3 Dec · Aerolineas Argentinas
Fisherton Airport (ROS) → Ministro Pistarini Airport (EZE)
Leaves 8:30 p.m. · 55 min trip
nonstop
found yesterday
Found recently, and the cheapest we hold
$42 3 Decfound yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest one-way we saw each day was $38 to $101.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 5 departure dates from 19 Nov to 23 Dec, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 3 Dec to compare.
Every date we hold
5 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 19 Nov | $48 | Aerolineas Argentinas | Fisherton Airport (ROS) → Ministro Pistarini Airport (EZE) | nonstop | found 4 days ago | Open this trip |
| 20 Nov | $54 | Aerolineas Argentinas | Fisherton Airport (ROS) → Jorge Newbery Airport (AEP) | nonstop | found 2 days ago | Open this trip |
| 23 Nov | $106 | Aerolineas Argentinas | Fisherton Airport (ROS) → Jorge Newbery Airport (AEP) | nonstop | found today | Open this trip |
| 3 Dec | $42 | Aerolineas Argentinas | Fisherton Airport (ROS) → Ministro Pistarini Airport (EZE) | nonstop | found yesterday | Open this trip |
| 23 Dec | $43 | Aerolineas Argentinas | Fisherton Airport (ROS) → Jorge Newbery Airport (AEP) | nonstop | found today | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $42.
Airlines on the cheapest dates: Aerolineas Argentinas.
Premium cabin fares from Rosario to Buenos Aires
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 3 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Rosario to Buenos Aires?
One-way
The cheapest fares were 7 to 13 days before departure.
From the cheapest one-way each day between 24 Sept and 12 Nov (50 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $43 | $38 | +2% | 38 |
| 7–13 days | $42 | $38 | Cheapest seen | 42 |
| 14–29 days | $42 | $41 | +0% | 20 |
| 60–89 days | $43 | $43 | +2% | 8 |
| 180+ days | $61 | $61 | +45% | 8 |
Live price for these dates
The cheapest one-way found recently is for 3 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a one-way flight from Rosario to Buenos Aires?
The cheapest one-way found recently is $42 with Aerolineas Argentinas, 3 Dec, found yesterday. The cheapest one-way fare on each of 5 departure dates is usually $43 to $54.
What is the cheapest month to fly from Rosario to Buenos Aires?
December 2026 is the cheapest month for a one-way, from $42, 3 Dec, found yesterday.
How far ahead should I book a flight from Rosario to Buenos Aires?
In 50 days of prices between 24 Sept and 12 Nov, one-way fares were cheapest 7 to 13 days before departure.
Is there a direct flight from Rosario to Buenos Aires?
Yes, the cheapest nonstop one-way found recently is $42 with Aerolineas Argentinas, 3 Dec, found yesterday.
How long is the flight from Rosario to Buenos Aires?
The cheapest nonstop one-way found recently, with Aerolineas Argentinas on 3 Dec, takes 55 min from Fisherton Airport (ROS) to Ministro Pistarini Airport (EZE).
Which airlines have the cheapest flights from Rosario to Buenos Aires?
Between 19 Nov and 23 Dec, Aerolineas Argentinas has the cheapest one-way on all 5 departure dates we hold.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work