Cheap flights from Miami to Buenos Aires

One-way fares from $270 · MIA → BUE · prices found by travellers in the last 48 hours

Cheapest fare
$270

Arajet · Fri, Jan 1

Cheapest month
January

from $270

Direct flights
Not recently

Usually 1+ stop

Quickest trip
10h 20m

7,100 km

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Cheapest month to fly from Miami to Buenos Aires

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $273
  2. December 2026 $298
  3. January 2027 Cheapest $270
  4. February 2027 $299
  5. March 2027 $280

Cheapest dates in January 2027

The lowest fares we've seen for each day, cheapest first.

Arajet
Depart13:09 Fri, Jan 1MIA → EZE 10h 32m · 1 stop
$270one way, per person
View deal
United Airlines
Depart06:28 Sat, Jan 2MIA → EZE 12h 56m · 1 stop
$330one way, per person
View deal
See every date in January 2027 →

Plan the rest of your trip to Buenos Aires

Where to stay, what to do and getting around, from our travel partners.

About flights from Miami to Buenos Aires

Miami (MIA) and Buenos Aires (BUE) are about 7,100 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 10h 20m. Over the next few months, one-way fares start from $270, and January 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Miami to Buenos Aires?

The cheapest one-way fare we've seen recently is $270 with Arajet, departing Friday, January 1, 2027. Over the coming months, the lowest fare in each month ranges from $270 to $299.

What is the cheapest month to fly from Miami to Buenos Aires?

January 2027 currently has the lowest fares, from $270 one way.

Are there direct flights from Miami to Buenos Aires?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Miami to Buenos Aires?

The quickest journey we've seen takes about 10h 20m. Miami and Buenos Aires are around 7,100 km apart.

Which airlines fly from Miami to Buenos Aires?

Recent fares on this route were with Arajet, Sky Airline and United Airlines.

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