For a quick departure, use the MIA Mover train to reach the Miami Intermodal Center for public transport options to downtown.

Most accurate provider | Gotogate 3 stars  | 
|---|---|
Most trusted provider | Gotogate 3 stars  | 
Round-trip from | $693 (CheapOair)  | 
One-way from | $245 (Kiwi.com)  | 
Popular in | December | 
Cheapest in | September | 
Average price | $806 | 
Good round-trip deal | $757 or less | 
Good one-way deal | $448 or less | 
Fly from
Fly to
Route
Depart
Return
Price
MiamiBuenos Aires
MIA - AEP
MIAAEP
Miami
Mon 2/2
8:40 am-7:30 am
1 stop20h 50m
Buenos Aires Jorge Newbery
Wed 2/18
9:50 am-7:20 am
2 stops23h 30m
MiamiBuenos Aires
MIA - AEP
MIAAEP
Miami
Sun 3/15
6:10 pm-7:30 am
1 stop12h 20m
Buenos Aires Jorge Newbery
Sat 3/21
10:30 pm-6:10 pm
1 stop20h 40m
MiamiBuenos Aires
MIA - EZE
MIAEZE
Miami
Sat 12/13
4:59 am-12:58 am
1 stop17h 59m
Buenos Aires Ministro Pistarini
Mon 12/22
2:32 pm-12:45 am
1 stop12h 13m
MiamiBuenos Aires
MIA - EZE
MIAEZE
Miami
Fri 12/5
5:34 am-12:58 am
1 stop17h 24m
Buenos Aires Ministro Pistarini
Thu 12/18
3:41 am-9:45 pm
1 stop20h 04m
MiamiBuenos Aires
MIA - EZE
MIAEZE
Miami
Sat 12/6
5:34 am-1:58 am
1 stop18h 24m
Buenos Aires Ministro Pistarini
Sat 12/20
9:03 am-12:45 am
1 stop17h 42m
MiamiBuenos Aires
MIA - EZE
MIAEZE
Miami
Tue 12/9
5:34 am-12:58 am
1 stop17h 24m
Buenos Aires Ministro Pistarini
Thu 12/18
9:03 am-9:22 pm
1 stop14h 19m
MiamiBuenos Aires
MIA - AEP
MIAAEP
Miami
Sun 2/8
4:37 pm-7:40 pm
2 stops25h 03m
Buenos Aires Jorge Newbery
Sun 2/22
8:25 pm-6:10 am
1 stop11h 45m
MiamiBuenos Aires
MIA - AEP
MIAAEP
Miami
Wed 11/19
2:05 am-11:00 pm
2 stops18h 55m
Buenos Aires Jorge Newbery
Sat 11/22
4:40 am-3:50 pm
1 stop13h 10m
MiamiBuenos Aires
MIA - AEP
MIAAEP
Miami
Wed 1/14
8:40 am-8:40 pm
2 stops34h 00m
Buenos Aires Jorge Newbery
Wed 1/21
10:55 pm-4:50 pm
1 stop19h 55m
MiamiBuenos Aires
MIA - AEP
MIAAEP
Miami
Sun 1/25
11:10 pm-6:40 pm
1 stop17h 30m
Buenos Aires Jorge Newbery
Sat 2/7
8:25 pm-7:25 pm
1 stop25h 00m
| Provider | Price Accuracy | Trust Score* | 
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | 
The best time to book flights from Miami to Buenos Aires is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, September is the cheapest month in which you can book a flight from Miami to Buenos Aires (average of $347). Flying from Miami to Buenos Aires in January is currently the most expensive (average of $696). 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.
A simple way to save on the total cost of your ticket is to fly from Miami to Buenos Aires in the morning. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their Miami to Buenos Aires flight should consider departing on Friday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from MIA to BUE are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
Panama City (PTY) – chosen by Cheapflights users on 56% of 1-stop itineraries from Miami to Buenos Aires on Cheapflights.
Medellín (MDE) is the most affordable 1-stop option, with an average round-trip price of $596.
Flights via Bogotá (BOG) have the shortest average one-way travel time for 1-stop routes: 11h 35m.
Flights via Santiago (SCL) offer the fastest connection on this route, with an average layover time of 1h 28m.
Overall
Comfort
Food
Boarding
Crew
Entertainment
Reviews
Paula,Aug 2025
EZE - MIA
Overall
Comfort
Food
Boarding
Crew
Entertainment
Reviews
Paula,Aug 2025
EZE - MIA
Overall
Comfort
Food
Boarding
Crew
Entertainment
Reviews
Paula,Aug 2025
EZE - MIA
Overall
Comfort
Food
Boarding
Crew
Entertainment
Reviews
Paula,Aug 2025
EZE - MIA
Overall
Comfort
Food
Boarding
Crew
Entertainment
Reviews
Paula,Aug 2025
EZE - MIA
Overall
Comfort
Food
Boarding
Crew
Entertainment
Reviews
Paula,Aug 2025
EZE - MIA
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$402 | Average$905 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$471 | Average$928 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$519 | Average$789 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$550 | Average$799 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$667 | Average$895 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$668 | Average$829 | FlexibilityNo cancel fee | On-time59% | |
| Cheapest$672 | Average$859 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$765 | Average$877 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$794 | Average$1,059 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$910 | Average$1,132 | FlexibilityNo cancel fee | On-timeN/A |