Cheap flights from Atlanta to Buenos Aires from $1,617 ATL → AEP, EZE
Hartsfield-Jackson Atlanta International Airport (ATL) → Jorge Newbery Airport (AEP), Ministro Pistarini Airport (EZE)
The cheapest return found recently is $1,617 with Frontier Airlines, 25 Dec – 3 Jan 2027, found yesterday.
- Cheapest return found recently
- $1,617, 25 Dec to 3 Jan 2027
- Usual return price
- $1,031 to $1,349
- Cheapest month to fly
- November 2026, return fares from $962 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $1,031 to $1,349.
Cheapest return found recently
$1,617
25 Dec – 3 Jan 2027 · Frontier Airlines
Hartsfield-Jackson Atlanta International Airport (ATL) → Ministro Pistarini Airport (EZE)
Leaves 8:46 a.m. · Return leaves 9:00 a.m. · 71 h 43 min of travel, both ways together
out 2 stops, back 3 stops
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$1,617 25 Dec – 3 Jan 2027found yesterdaySee prices for these dates
$962 22 Nov – 30 Novfound 4 days agoSee prices for these dates
What have prices looked like?
Over 35 days, 29 Sept to 12 Nov, the cheapest return we saw each day was $694 to $1,491.
At $1,617, the cheapest return found recently is above that range.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 22 Nov to 25 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 9-night return fares leaving within 3 days of 25 Dec to compare.
Every date we hold
27 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 22 Nov – 30 Nov | $962 | Frontier Airlines | Hartsfield-Jackson Atlanta International Airport (ATL) → Ministro Pistarini Airport (EZE) | out 2 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 10 Dec – 18 Dec | $1,099 | Frontier Airlines | Hartsfield-Jackson Atlanta International Airport (ATL) → Jorge Newbery Airport (AEP) | out 3 stops, back 1 stop | found 4 days ago | See prices for these dates |
| 25 Dec – 3 Jan 2027 | $1,598 | Frontier Airlines | Hartsfield-Jackson Atlanta International Airport (ATL) → Ministro Pistarini Airport (EZE) | out 2 stops, back 3 stops | found 3 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $962.
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Atlanta 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 25 Dec – 3 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Atlanta to Buenos Aires?
Return
The cheapest fares were 7 to 13 days before departure.
From the cheapest return each day between 29 Sept and 12 Nov (35 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 |
|---|---|---|---|---|
| 7–13 days | $873 | $873 | Cheapest seen | 7 |
| 14–29 days | $890 | $694 | +2% | 8 |
| 30–59 days | $1,099 | $694 | +26% | 12 |
| 90–179 days | $1,491 | $1,050 | +71% | 9 |
| 180+ days | $1,449 | $1,449 | +66% | 7 |
Live price for these dates
The cheapest return found recently is for 25 Dec – 3 Jan 2027. 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 return flight from Atlanta to Buenos Aires?
The cheapest return found recently is $1,617 with Frontier Airlines, 25 Dec to 3 Jan 2027, found yesterday. The cheapest return we hold, of any age, is $962 with Frontier Airlines, 22 Nov to 30 Nov, found 4 days ago. The cheapest return fare on each of 3 departure dates is usually $1,031 to $1,349.
What is the cheapest month to fly from Atlanta to Buenos Aires?
November 2026 is the cheapest month for a return, from $962, 22 Nov to 30 Nov, found 4 days ago.
How far ahead should I book a flight from Atlanta to Buenos Aires?
In 35 days of prices between 29 Sept and 12 Nov, return fares were cheapest 7 to 13 days before departure.
Which airlines have the cheapest flights from Atlanta to Buenos Aires?
Between 22 Nov and 25 Dec, Frontier Airlines has the cheapest return on all 3 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