Buenos Aires

$278+ Cheap flights from Miami (MIA) to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BUE
ago 19 — ago 261
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Cheapflights Tip: The best prices from Miami to Buenos Aires are usually found in October or September, booked 61 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Miami to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 14, 2025.

Round-trip from

$690
(Kiwi.com)

One-way from

$278
(eDestinos)

Popular in

December

Cheapest in

October

Average price

$827

Good round-trip deal

$781 or less

Good one-way deal

$448 or less
From Miami to Buenos Aires (BUE)
One-way flight from Miami to Buenos Aires (BUE)
Highest demand for flights based on searches. 7% potential increase in price ($73 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Miami to Buenos Aires (BUE).
Price to beat on a one-way flight from Miami to Buenos Aires (BUE).

Find flight deals from Miami to Buenos Aires

Cheapest flights from Miami to Buenos Aires
Explore the most affordable flight options available from Miami to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/109:45 amMIA - EZE
2 stops25h 00mMultiple Airlines
seg 10/136:50 amEZE - MIA
1 stop12h 05mMultiple Airlines
Deal found 8/13$690
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 9/79:45 amMIA - AEP
2 stops16h 55mMultiple Airlines
ter 10/147:00 amAEP - MIA
1 stop11h 55mMultiple Airlines
Deal found 8/13$690
This Gotogate deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 8/286:25 pmMIA - EZE
Nonstop9h 05mAerolineas Argentinas
qua 9/38:00 amEZE - MIA
Nonstop9h 15mAerolineas Argentinas
Deal found 8/12$691
This FlightHub deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/49:45 amMIA - AEP
1 stop21h 35mMultiple Airlines
dom 10/124:55 amAEP - MIA
1 stop28h 25mMultiple Airlines
Deal found 8/12$691
This Mytrip deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/239:45 amMIA - EZE
2 stops40h 55mMultiple Airlines
dom 10/59:40 amEZE - MIA
3 stops32h 40mMultiple Airlines
Deal found 8/12$692
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 10/29:45 amMIA - AEP
2 stops20h 55mMultiple Airlines
sex 10/177:00 amAEP - MIA
1 stop11h 55mMultiple Airlines
Deal found 8/11$692
This Gotogate deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/49:10 amMIA - EZE
Nonstop9h 05mAerolineas Argentinas
dom 9/710:45 pmEZE - MIA
Nonstop9h 15mAerolineas Argentinas
Deal found 8/12$693
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/259:45 amMIA - AEP
2 stops16h 55mMultiple Airlines
ter 10/217:00 amAEP - MIA
1 stop11h 55mMultiple Airlines
Deal found 8/13$693
This Cheapflightsfares deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 11/181:00 amMIA - EZE
2 stops21h 35mAvianca
qua 12/32:30 amEZE - MIA
1 stop11h 25mAvianca
Deal found 8/11$694
This CheapOair deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 9/199:45 amMIA - AEP
2 stops16h 55mMultiple Airlines
dom 10/54:55 amAEP - MIA
1 stop13h 10mMultiple Airlines
Deal found 8/14$694
This oojo deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/29:10 amMIA - EZE
Nonstop9h 05mAerolineas Argentinas
ter 11/2510:45 pmEZE - MIA
Nonstop9h 15mAerolineas Argentinas
Deal found 8/12$695
This Ovago deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/19:45 amMIA - AEP
1 stop21h 45mMultiple Airlines
sex 10/174:55 amAEP - MIA
1 stop28h 25mMultiple Airlines
Deal found 8/11$695

Cheapflights Fare Finder

 
Customize your flight search to find flights from Miami to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
Use the filters below to find and compare flights from Miami to Buenos Aires that are best for you.

Fly from

Miami

Fly to

Buenos Aires

Route

Depart

Return

Price

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

dom 9/21

9:45 am-8:30 am

1 stop21h 45m

Buenos Aires Jorge Newbery

sex 9/26

4:55 am-8:15 am

1 stop28h 20m

$691

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

qui 9/4

9:45 am-8:30 am

1 stop21h 45m

Buenos Aires Jorge Newbery

seg 9/8

4:50 am-5:05 pm

1 stop13h 15m

$691

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

dom 9/7

9:45 am-8:30 am

1 stop21h 45m

Buenos Aires Jorge Newbery

seg 9/29

4:50 am-8:15 am

1 stop28h 25m

$691

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

qua 10/22

9:45 am-8:40 pm

2 stops33h 55m

Buenos Aires Jorge Newbery

sex 11/7

4:50 am-3:50 pm

1 stop13h 00m

$691

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

sáb 10/4

9:45 am-8:20 am

1 stop21h 35m

Buenos Aires Jorge Newbery

dom 10/12

4:55 am-8:20 am

1 stop28h 25m

$691

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

ter 9/23

9:45 am-8:20 am

1 stop21h 35m

Buenos Aires Jorge Newbery

qua 10/22

4:55 am-8:20 am

1 stop28h 25m

$691

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

qui 10/16

9:45 am-8:30 am

1 stop21h 45m

Buenos Aires Jorge Newbery

seg 10/27

4:50 am-8:05 am

1 stop28h 15m

$691

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

sáb 8/23

9:45 am-7:00 am

1 stop20h 15m

Buenos Aires Jorge Newbery

seg 8/25

4:50 am-8:15 am

1 stop28h 25m

$691

MiamiBuenos Aires

MIA - AEP

MIAAEP

Miami

qua 9/17

9:45 am-8:30 am

1 stop21h 45m

Buenos Aires Jorge Newbery

sex 9/26

4:55 am-5:05 pm

1 stop13h 10m

$691

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

seg 10/20

9:10 am-7:15 pm

Nonstop9h 05m

Buenos Aires Ministro Pistarini

qua 11/12

8:00 am-3:15 pm

Nonstop9h 15m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 39 results
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The best insider tips for Miami to Buenos Aires flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Miami to Buenos Aires trip
Airports
MIA

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

Read more about MIAby Ramsey Qubein
EZE

Secure a taxi or remis at EZE for a convenient ride to downtown Buenos Aires, typically under an hour depending on traffic.

Read more about EZEby Taryn White
Our travel experts
Taryn White

Taryn White

Expert on EZE

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on MIA

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Miami to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Miami with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Miami to Buenos Aires

How far ahead should I book a flight from Miami to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from Miami to Buenos Aires. Price data was last updated on August 8, 2025.

The best time to book flights from Miami to Buenos Aires is 61 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.

What is the cheapest month to book a flight from Miami to Buenos Aires?

Currently, April is the cheapest month in which you can book a flight from Miami to Buenos Aires (average of $795). Flying from Miami to Buenos Aires in December is currently the most expensive (average of $1,260). 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.

What is the cheapest time of day to fly from MIA to BUE?

Find hourly flight availability from Miami to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.

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 15% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Miami to Buenos Aires. Price data was last updated on September 8, 2024.

Travelers seeking maximum savings on their Miami to Buenos Aires flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Miami to Buenos Aires

Explore weekly flight availability from Miami to Buenos Aires. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated agosto 14, 2025.

The most flights from MIA to BUE are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from Miami to Buenos Aires?

What’s the top layover airport for flights from Miami to Buenos Aires?

Share of 1-stop round-trip flights from Miami to Buenos Aires chosen by Cheapflights users in the past 12 months, using the same layover each way.

Panama City (PTY) – chosen by Cheapflights users on 64% of 1-stop itineraries from Miami to Buenos Aires on Cheapflights.

What’s the cheapest layover airport for flights from Miami to Buenos Aires?

Average round-trip fare for 1-stop flights from Miami to Buenos Aires, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Medellín (MDE) is the most affordable 1-stop option, with an average round-trip price of $596.

What’s the fastest layover option from Miami to Buenos Aires?

Shortest average travel time for 1-stop one-way flights from Miami to Buenos Aires, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Bogotá (BOG) have the shortest average one-way travel time for 1-stop routes: 11h 35m.

Which airport typically offers the quickest layover for flights from Miami to Buenos Aires?

Average layover duration for 1-stop one-way flights from Miami to Buenos Aires, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Santiago (SCL) offer the fastest connection on this route, with an average layover time of 1h 28m.

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated agosto 14, 2025.
Read reviews from past customers who have flown Aerolineas Argentinas, LATAM Airlines, and Copa Airlines from Miami to Buenos Aires. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.0

Comfort

7.5

Entertainment

5.7

Food

6.5

Overall

8.1

Crew

8.3

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Boarding

8.0

Comfort

7.5

Entertainment

5.7

Food

6.5

Overall

8.1

Crew

8.3

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Boarding

8.0

Comfort

7.5

Entertainment

5.7

Food

6.5

Overall

8.1

Crew

8.3

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Boarding

8.0

Comfort

7.5

Entertainment

5.7

Food

6.5

Overall

8.1

Crew

8.3

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Boarding

8.0

Comfort

7.5

Entertainment

5.7

Food

6.5

Overall

8.1

Crew

8.3

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Boarding

8.0

Comfort

7.5

Entertainment

5.7

Food

6.5

Overall

8.1

Crew

8.3

Reviews

1 / 4
10.0
Excellent

Firuz,Dec 2024

EZE - SLA

Great airline on time and friendly staff. Check-in and boarding even at EZE was easy and straight forward and fast.

Related info for your journey

Find useful and relevant information for your journey from Miami to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Miami to Buenos Aires?

    Most people fly from Miami (MIA) if they book a flight from Miami to Buenos Aires. On average, Miami has 8 outbound flights to Buenos Aires per day from 10 airlines. Miami is conveniently located just 6.1 mi from Miami’s city center.

  • What are the cheapest airlines flying from Miami to Buenos Aires round-trip?

    Flying on Copa Airlines is currently your cheapest option to Buenos Aires, with prices starting at $444. Additional round-trip tickets that might be worth considering are offered by Arajet and GOL, with the lowest prices starting at $448 and $519, respectively. You may be able to fly from Miami to Buenos Aires for 48% less than the average price by searching for these airlines.

  • What are the most popular routes from Miami to Buenos Aires?

  • What are the most reliable airlines from Miami to Buenos Aires?

    The top 3 most reliable airlines when flying from Miami to Buenos Aires are EL AL (70%), Aerolineas Argentinas (68%) and Delta (67%).

  • What are the cheapest flights from Miami to Buenos Aires?

    Looking at all options, your cheapest flight can be booked for $446. While the most popular route (Miami - Buenos Aires Ministro Pistarini) can be booked for $596 on average our data indicates $1,296 when flying from Miami to Buenos Aires.

  • Where are the most common layover locations when flying from Miami to Buenos Aires?

  • What are some popular things to do or see while on a layover in Bogotá?

    The majority of Bogotá visitors spend their time at Museo Botero, Museo del Oro, and Jardín botánico de Bogotá. Those on a layover in Bogotá interested in visiting Museo Botero, Museo del Oro, or Jardín botánico de Bogotá can do so by traveling 8.9 mi, 8.6 mi, and 4.0 mi, respectively from Bogotá El Dorado. Those looking to explore during their layover in Bogotá can rent a car from Bogotá El Dorado for about $54 per day.

  • What are some popular points of interest to see during a layover in Santiago?

    Most Santiago visitors opt to spend their time at Costanera Center, Templo Bahá'í de Sudamérica, and Museo Nacional de Bellas Artes. Costanera Center, Templo Bahá'í de Sudamérica, and Museo Nacional de Bellas Artes can be visited by traveling about 10.5 mi, 16.5 mi, and 8.7 mi respectively from Santiago Arturo Merino Benitez. Those on a layover in Santiago in need of a rental car can book one at Santiago Arturo Merino Benitez for about $36.

  • What are points of interest worth seeing during a layover in Lima?

    Plaza Mayor, Historic Centre of Lima, and Huaca Pucllana are currently the most popular points of interest in Lima. Those on a layover in Lima interested in visiting Plaza Mayor, Historic Centre of Lima, or Huaca Pucllana can do so by traveling 5.9 mi, 5.9 mi, and 8.2 mi, respectively from Lima J Chavez Intl. Travelers in need of a car in Lima can rent one for about $43 per day.

  • Where are the least popular layover locations for Miami to Buenos Aires flights?

  • Can I find deals for flights from Miami to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Miami to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Miami to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Miami to Buenos Aires.

  • Can I find deals for business class flights from Miami to Buenos Aires?

    Yes. Cheapflights offers flight deals from Miami to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Miami to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Miami to Buenos Aires (average of $795). Flying from Miami to Buenos Aires in December is currently the most expensive (average of $1,260). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Miami to Buenos Aires

Discover the top 10 airlines that operate flights from Miami to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$444Average$875FlexibilityNo cancel feeOn-time70%
ArajetCheapest$448Average$728FlexibilityNo cancel feeOn-timeN/A
GOLCheapest$519Average$1,035FlexibilityNo cancel feeOn-time74%
AviancaCheapest$535Average$757FlexibilityNo cancel feeOn-time71%
Aerolineas ArgentinasCheapest$663Average$864FlexibilityNo cancel feeOn-time59%
LATAM AirlinesCheapest$663Average$846FlexibilityNo cancel feeOn-time81%
BoACheapest$672Average$808FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$809Average$1,081FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$853Average$995FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,008Average$1,132FlexibilityNo cancel feeOn-timeN/A

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