LATAM is bringing back a route that it cut years ago, adding some competition between the United States and Argentina. Thanks to @IshrionA for flagging this.
In this post:
LATAM resumes Miami to Buenos Aires flights with 787s
As of December 1, 2025, LATAM plans to launch daily, year-round flights between Miami (MIA) and Buenos Aires (EZE). The service will operate with the following schedule:
LA543 Miami to Buenos Aires departing 10:15PM arriving 8:55AM (+1 day)
LA542 Buenos Aires to Miami departing 10:55AM arriving 5:50PM
The 4,405-mile flight is blocked at 8hr40min southbound and 8hr55min northbound. LATAM will use a Boeing 787-8 for the route for the first month, and then as of January 2025, it’ll be operated by a larger Boeing 787-9.
LATAM operated this route up until several years ago, when the South American airline group had an Argentina subsidiary. However, LATAM Argentina ceased operations in 2020, following the start of the pandemic, and that’s when all long haul service from Argentina on LATAM stopped.
LATAM will now be operating this as a fifth freedom flight, since the airline no longer has an Argentinian subsidiary. We’ve seen Argentina liberalize its aviation market in recent times, increasingly adopting an Open Skies policy. So it’s my understanding that LATAM Chile will be operating this service.
How this new route fits into the competitive landscape
Miami to Buenos Aires is a market with a lot of service, though not necessarily many players. As it currently stands, there are up to seven daily flights, with four being operated by American, and three being operated by Aerolineas Argentinas. So it’s already a well served market, though it’s nice to have a third competitor.
LATAM isn’t part of a major alliance, but it does have a joint venture with Delta, given Delta’s equity investment in the airline. LATAM also has partnerships with other individual airlines. Presumably the Miami route is primarily about serving the local market, given the amount of demand.
LATAM has a massive network out of Miami, with flights currently operating to Bogota (BOG), Cancun (CUN), Fortaleza (FOR), Lima (LIM), Punta Cana (PUJ), Quito (UIO), Santiago (SCL), and Sao Paulo (GRU). So in terms of major Latin American destinations, Buenos Aires was certainly lacking.
Bottom line
As of December 2025, LATAM will be launching daily nonstop flights between Miami and Buenos Aires. This is the resumption of a route that operated back when the LATAM Argentina subsidiary existed, so I’m happy to see this service make a comeback. It’ll be a nice alternative to the existing American and Aerolineas Argentinas service in the market.
What do you make of LATAM adding Miami to Buenos Aires flights?
yet another MIA EZE. Can’t anyone try something different like Chicago, LA? So uninspired
Already been tried and failed.
Hopefully the will use 1-2-1 seating in Business and not the 2-2-2 in some of theirs.
Seatmaps show 1-2-1
I’m Honestly surprised delta isn’t operating this route. Seems like they’d be the better airline to do it from an operational perspective though Latam is probably much better known in BA vs delta.
Though, Latam is also probably cheaper to operate the flight
It seems like it would be much easier to operate it with a delta crew out of ATL and either get it to eze via ATL to go to mia or just do an ATL-mia wide body to position the plane
I would imagine demand out of South Florida to EZE warrants a direct from MIA...big Argentinian community there - greater Miami has the largest concentration of Argentinians in the USA.
This route is a total game changer. American should just cancel their 4 daily flights. There must be some smart people in Atlanta.
This is fantastic news. I flew this route frequently in the 2000s to early 2010s with LAN Argentina. Very fond memories of a decent hard product, but absolutely fantastic cabin crews.
The most exciting part in all of this is the injection of additional supply. When LAN cut the route, the Argentinian expat community in Miami was very large, and has continued to grow. A large number are very wealthy families willing to pay almost...
This is fantastic news. I flew this route frequently in the 2000s to early 2010s with LAN Argentina. Very fond memories of a decent hard product, but absolutely fantastic cabin crews.
The most exciting part in all of this is the injection of additional supply. When LAN cut the route, the Argentinian expat community in Miami was very large, and has continued to grow. A large number are very wealthy families willing to pay almost anything to fly down for Christmas and New Year (spending Christmas with the whole family is very important to Argentinians). In addition, recent regulatory changes in Argentina have made US-bound travel more affordable for locals. Demand is high, supply is limited, and that’s how you end up with nonstop economy tickets on AA can cost $3000 around December, easily double of what I used to pay ~10 years ago. I realize inflation is a thing, but think that this route has been disproportionately affected by these dynamics.
Hope the additional competition forces AA into more reasonable fares.
I can never understand why people are prepared to pay a chunky premium in order to fly nonstop on a route like this. I get it if you have small children and/or mobility challenges which make it difficult to get on and off the plane or move about at a hub airport, but if I had to do such a long distance in Y I would actually be prepared to pay extra for the opportunity...
I can never understand why people are prepared to pay a chunky premium in order to fly nonstop on a route like this. I get it if you have small children and/or mobility challenges which make it difficult to get on and off the plane or move about at a hub airport, but if I had to do such a long distance in Y I would actually be prepared to pay extra for the opportunity to connect halfway (e.g. at BOG/PTY) and avoid being confined in that tiny space for 12 hours or whatever. Moreover, in this particular instance, one could also claw back some of the time spent connecting by flying to AEP instead of EZE and landing in the city itself.
If it's business class, flying nonstop does seem more attractive, but the travelling is still going to take the best part of a day so you may end up spending hundreds, possibly even thousands, of dollars just to avoid a couple of hours in a lounge at GRU, which again doesn't make much sense unless we're talking the type of cash-rich-time-poor person who can afford to charter a private plane but somehow chooses to fly on Aerolíneas or, worse still, AA
Does this mean Delta won't codeshare on the Aerolineas flight anymore?
The flight will be part of the DL-LA JV