Arrive early at ATL due to its long security lines. Consider using the South security area for potentially faster processing.

Most accurate provider | eDreams 3 stars  | 
|---|---|
Most trusted provider | eDreams 3 stars  | 
Round-trip from | $700 (Mytrip)  | 
One-way from | $255 (Kiwi.com)  | 
Popular in | January | 
Cheapest in | October | 
Average price | $1,574 | 
Good round-trip deal | $1,328 or less | 
Good one-way deal | $833 or less | 
Fly from
Fly to
Route
Depart
Return
Price
AtlantaBuenos Aires
ATL - AEP
ATLAEP
Atlanta Hartsfield-Jackson
Tue 12/9
5:30 am-7:30 am
2 stops24h 00m
Buenos Aires Jorge Newbery
Wed 2/18
5:15 pm-9:15 pm
2 stops30h 00m
AtlantaBuenos Aires
ATL - AEP
ATLAEP
Atlanta Hartsfield-Jackson
Fri 1/16
9:30 am-12:20 pm
3 stops24h 50m
Buenos Aires Jorge Newbery
Tue 1/27
9:50 am-9:15 pm
3 stops37h 25m
AtlantaBuenos Aires
ATL - AEP
ATLAEP
Atlanta Hartsfield-Jackson
Mon 2/16
9:30 am-9:20 pm
3 stops33h 50m
Buenos Aires Jorge Newbery
Thu 2/19
4:40 am-9:15 pm
2 stops18h 35m
AtlantaBuenos Aires
ATL - EZE
ATLEZE
Atlanta Hartsfield-Jackson
Thu 1/8
2:30 pm-6:05 am
1 stop13h 35m
Buenos Aires Ministro Pistarini
Thu 1/22
8:55 pm-5:15 am
Nonstop10h 20m
AtlantaBuenos Aires
ATL - AEP
ATLAEP
Atlanta Hartsfield-Jackson
Tue 1/13
6:35 pm-10:30 am
1 stop13h 55m
Buenos Aires Jorge Newbery
Tue 1/20
3:40 pm-6:45 am
1 stop17h 05m
AtlantaBuenos Aires
ATL - EZE
ATLEZE
Atlanta Hartsfield-Jackson
Mon 2/16
9:05 pm-9:00 am
Nonstop9h 55m
Buenos Aires Ministro Pistarini
Thu 2/26
8:00 am-7:35 pm
1 stop13h 35m
AtlantaBuenos Aires
ATL - EZE
ATLEZE
Atlanta Hartsfield-Jackson
Tue 1/13
3:30 pm-10:15 am
1 stop16h 45m
Buenos Aires Ministro Pistarini
Tue 1/20
8:55 pm-5:15 am
Nonstop10h 20m
AtlantaBuenos Aires
ATL - EZE
ATLEZE
Atlanta Hartsfield-Jackson
Thu 1/8
10:10 am-7:20 am
2 stops19h 10m
Buenos Aires Ministro Pistarini
Thu 1/22
10:05 pm-2:40 pm
2 stops18h 35m
AtlantaBuenos Aires
ATL - AEP
ATLAEP
Atlanta Hartsfield-Jackson
Tue 2/24
7:55 pm-10:30 am
1 stop12h 35m
Buenos Aires Jorge Newbery
Sun 3/8
10:30 pm-8:35 pm
2 stops23h 05m
AtlantaBuenos Aires
ATL - EZE
ATLEZE
Atlanta Hartsfield-Jackson
Mon 2/23
9:05 pm-9:00 am
Nonstop9h 55m
Buenos Aires Ministro Pistarini
Tue 3/10
2:30 am-7:30 pm
1 stop18h 00m
| Provider | Price Accuracy | Trust Score* | 
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | 
To ensure you get the cheapest price possible for a flight from Atlanta to Buenos Aires, you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, March is the cheapest month in which you can book a flight from Atlanta to Buenos Aires (average of $423). Flying from Atlanta to Buenos Aires in April is currently the most expensive (average of $1,464). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Atlanta to Buenos Aires in the morning. Doing so could potentially save you 81% on the flight price compared to flying in the evening, which is usually more expensive.
The most flights from ATL to BUE are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Paula,Aug 2025
EZE - MIA
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Paula,Aug 2025
EZE - MIA
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Paula,Aug 2025
EZE - MIA
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Paula,Aug 2025
EZE - MIA
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Paula,Aug 2025
EZE - MIA
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$1,115 | Average$1,291 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$1,140 | Average$1,607 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,218 | Average$1,340 | FlexibilityNo cancel fee | On-time81% |