Cheapest€563.59
- LAN Airlines LA382518:5410h04:54Miami MIABuenos Aires EZE
Door to door 13h 10mCO2 1081.9 kgChanges 0Fixed, no changes
Miami to Buenos Aires flight
Flights from Miami to Buenos Aires start at €665.66 and take 12h 49m at their fastest.
The Flights from Miami to Buenos Aires starts at €665.66 and takes 12h 49m door to door, run by 3 operators over 7,310 km, with around 16 departures a day. Fares bottom out about 60 days before departure.
- 12h 49mDoor to door
- 9h 39mMoving
- €665.66From
- 1081.9 kgCO2
The cheapest and the fastest on September 29, 2026
Two journeys we can sell today, with the service number each operator files them under.
Fastest€816.70
- LAN Airlines LA934114:419h 39m00:20Miami MIABuenos Aires AEP
Door to door 12h 49mCO2 1081.9 kgChanges 0Fixed, no changes
Airlines
Speed, flexibility and what is on board. Nothing here is a rating, because we have not earned one.
| Operator | From | Fastest |
|---|---|---|
 American Airlines | €573.62 | 12h 45m |
 Aerolineas Argentinas | €568.90 | 12h 44m |
 LAN Airlines | €563.59 | 12h 44m |
Buenos Aires sits on the water, which usually settles which side of town you want to wake up on. Rooms are not ours to sell.
Where to stay in Buenos Aires
Sort by distance from Buenos Aires train station and you can see which places are ten minutes on foot and which are not.
Search Buenos Aires on Booking.com
Partner links. We do not sell accommodation. We earn a commission when a booking completes, and it never changes what you pay.
When to book Miami to Buenos Aires
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €747.6790 days
- €450.3160 days
- €468.0145 days
- €456.2130 days
- €656.8121 days
- €712.8614 days
- €880.427 days
- €867.443 days
- €1,246.221 days
- Cheapest lead time
- Fares bottom out around 60 days ahead, at €450.31.
- How much it moves
- The gap between the cheapest and most expensive lead time is 177 percent. The most expensive point is €1,246.22, 1 days out.
- What that means
- Today sits inside the cheap window, which closes about 60 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Which departure day costs least
Median cheapest fare for each weekday, taken across the next three weeks of real prices.
- €800.77Sun
- €679.82Mon
- €665.66Tue
- €712.27Wed
- €978.36Thu
- €845.02Fri
- €712.86Sat
Where you leave from and where you arrive
The stations, airports and ports each mode on this corridor actually uses.
Miami
Air
- MIA
Buenos Aires
Air
- EZE
- AEP
What the journey actually looks like
Direct or connecting, how far the route really runs, and what happens when a connection is missed.
- Direct or connecting
- 75% of the services we sell on this corridor run through without a change. The remaining 25% involve one connection.
- How far it really runs
- The route covers 7,310 km against 7,097 km in a straight line, a detour of 3 percent. Track and road geometry account for the difference.
- Where the change is
- Connections are made at Tocumen, Bogotá, Asunción, Santa Cruz de la Sierra. The gap between arriving and leaving is 65 minutes, of which about 5 is walking.
- If the connection is missed
- The tightest connection we sell here has a 15 percent chance of not being made on the timetable alone. Part of this journey is a self transfer between separate tickets, so leave more time than the minimum and expect to check in again.
- First and last departure
- The first service of the day leaves Miami at 06:12 and the last at 18:54, across 16 departures. The return direction keeps its own timetable, so the times back are not these times reversed.
Questions about Miami to Buenos Aires
The questions people actually ask about this trip, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does the Flight from Miami to Buenos Aires take?
The Flight from Miami to Buenos Aires takes 12h 49m door to door, of which 9h 39m is spent moving. The route runs 7,310 km. The difference between the two times is reaching the terminal and leaving it at the far end, which every time on this page includes.
How much does the Flight from Miami to Buenos Aires cost?
The Flight from Miami to Buenos Aires starts at €665.66 for one passenger, checked on September 29, 2026. A typical fare is €729.68. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.
Who runs the Flight from Miami to Buenos Aires?
3 operators run the Flight from Miami to Buenos Aires: American Airlines, Aerolineas Argentinas, LAN Airlines. Between them they file around 16 departures a day. The operator table on this page compares them on fare, journey time, cruising speed, fare conditions and what is provided on board.
Which terminal does the Flight from Miami to Buenos Aires use?
The Flight from Miami to Buenos Aires leaves from Miami MIA and arrives at Buenos Aires AEP. Allow about 3h 10m for reaching the departure terminal and leaving the arrival one. That time is already inside every door to door figure quoted on this page.
When should I book the Flight from Miami to Buenos Aires?
Fares for the Flight from Miami to Buenos Aires bottom out around 60 days ahead, at €450.31. The gap between the cheapest and most expensive lead time across the window is 177 percent, measured on September 29, 2026. Booking inside the final week has consistently cost more.
How much CO2 does the Flight from Miami to Buenos Aires produce?
The Flight from Miami to Buenos Aires produces about 1081.9 kg of CO2 per passenger over 7310 km, which works out at roughly 148 grams per passenger kilometer. That figure is for the whole journey and for one traveler, not for the vehicle.
Where these numbers come from
Observed service A carrier record shows this named operator serving this named pair, and we carry that through unchanged.
Schedules, seat counts and fares are generated by our own model until the supplier contracts are signed. Places, coordinates, operators, which operator serves which pair, and every distance are real. We would rather say that on every page than let a modeled number pass for a filed one.
Defined in full at Door to door, Fares, The booking window, Carbon
- On this page
- Every figure above was computed for Miami to Buenos Aires on September 12, 2026: 7310 km of route against 7097 km in a straight line, 16 services a day, 3 operators, a cheapest fare of €665.66, and 12h 49m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
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Buenos Aires is large, and the road in from EZE can take longer than the last hour of the flight. Cars are not our business.
Getting from EZE into Buenos Aires
Settled in advance, so the ride into Buenos Aires costs what it said it would rather than what the cab stand says.
Book a ride from EZE with Daytrip
Partner links. We do not operate transfers. We earn a commission on a booking, and the fare is the same as going direct.